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New Mexico Public Education Department

Dr. Veronica Garcia, Secretary of Education

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Web Quest From Seed to Plant

Students will use technology in completing a life science unit on the life cycle of plants. They will use the scientific process to observe and chart the growth of seed into young plants.

Author
Owner Liese Messenger
Start date June 04, 2008
End date June 04, 2010
Number of participants 30
Sharing Public
Comments Enabled
Average Rating Unrated
Attachments Webquest from seed to plant.doc
Copyable? No

Standards

Content of Science Standard 2

Content of Science Standard 2 - SC

LIFE SCIENCE: Understand the properties, structures, and processes of living things and the interdependence of living things and their environments.

Grade K-4 students will: Grade 5-8 students will: Grade 9-12 students will:
  1. Know that living things have diverse forms, structures, functions, and habitats.

    Kindergarten

    1. Identify major structures of common living organisms (e.g., stems, leaves, and roots of plants; arms, wings, and legs of animals).

    2. Observe that differences exist among individual living organisms (e.g., plants, animals) of the same kind.

    1st Grade

    1. Know that living organisms (e.g., plants, animals) have needs (e.g., water, air, food, sunlight).

    2. Know that living organisms (e.g., plants, animals) inhabit various environments and have various external features to help them satisfy their needs (e.g., leaves, legs, claws).

    3. Describe the differences and similarities among living organisms (e.g., plants, animals).

    4. Observe that living organisms (e.g., plants, animals) have predictable but varied life cycles.

    2nd Grade

    1. Observe that diversity exists among individuals within a population.

    2. Observe and describe various shapes of fungi.

    3. Know that bacteria and viruses are germs.

    3rd Grade

    1. Know that an adaptation in physical structure or behavior can improve an organism's chance for survival (e.g., horned toads, chameleons, cacti, mushrooms).

    2. Observe that plants and animals have structures that serve different functions (e.g., shape of animals' teeth).

    3. Classify common animals according to their observable characteristics (e.g., body coverings, structure).

    4. Classify plants according to their characteristics (e.g., tree leaves, flowers, seeds).

    4th Grade

    1. Explain that different living organisms have distinctive structures and body systems that serve specific functions (e.g., walking, flying, swimming).

    2. Know that humans and other living things have senses to help them detect stimuli, and that sensations (e.g., hunger) and stimuli (e.g., changes in the environment) influence the behavior of organisms.

    3. Describe how roots are associated with the intake of water and soil nutrients and green leaves are associated with making food from sunlight (photosynthesis).

    4. Describe the components of and relationships among organisms in a food chain (e.g., plants are the primary source of energy for living systems).

    5. Describe how all living things are made up of smaller units that are called cells. A. Explain the diverse structures and functions of living things and the complex relationships between living things and their environments.

  2. Know that living things have similarities and differences and that living things change over time.

    Kindergarten

    1. Observe and describe similarities and differences in the appearance and behavior of living organisms (e.g., plants, animals).

    2. Observe that living organisms (e.g., plants, animals) closely resemble their parents.

    1st Grade

    1. Identify differences between living and nonliving things.

    2. Recognize the differences between mature and immature plants and animals (e.g., trees/seedlings, dogs/puppies, cats/kittens).

    2nd Grade

    1. Explain that stages of the life cycle are different for different animals (e.g., mouse, cat, horse, butterfly, frog).

    2. Observe that many characteristics of the offspring of living organisms (e.g., plants or animals) are inherited from their parents.

    3. Observe how the environment influences some characteristics of living things (e.g., amount of sunlight required for plant growth).

    3rd Grade

    1. Identify how living things cause changes to the environments in which they live, and that some of these changes are detrimental to the organism and some are beneficial.

    2. Know that some kinds of organisms that once lived on Earth have become extinct (e.g., dinosaurs) and that others resemble those that are alive today (e.g., alligators, sharks).

    4th Grade

    1. Know that in any particular environment some kinds of plants and animals survive well, some survive less well, and others cannot survive at all.

    2. Know that a change in physical structure or behavior can improve an organism's chance of survival (e.g., a chameleon changes color, a turtle pulls its head into its shell, a plant grows toward the light).

    3. Describe how some living organisms have developed characteristics from generation to generation to improve chances of survival (e.g., spines on cacti, long beaks on hummingbirds, good eyesight on hawks). B. Understand how traits are passed from one generation to the next and how species evolve.

  3. Know the parts of the human body and their functions.

    Kindergarten

    1. Use the senses (e.g., sight, hearing, smell, taste, touch) to observe surroundings, and describe the observations.

    2. Identify the parts of the human body (e.g., legs, arms, head, hands) and the functions of these parts.

    1st Grade

    1. Describe simple body functions (e.g., breathing, eating).

    2. Describe the basic food requirements for humans.

    3. Describe how some parts of human bodies differ from similar parts of other animals (e.g., hands and feet/paws; ears).

    2nd Grade

    1. Identify a variety of human organs (e.g., lungs, heart, stomach, brain).

    2. Know that various nutrients are required for specific parts and functions of the body (e.g., milk for bones and teeth, protein for muscles, sugar for energy).

    3. Identify the functions of human systems (e.g., respiratory, circulatory, digestive).

    3rd Grade

    1. Know that bacteria and viruses are germs that affect the human body.

    2. Describe the nutrients needed by the human body.

    4th Grade

    1. Know that the human body has many parts that interact to function as systems (e.g., skeletal, muscular) and describe the parts and their specific functions in selected systems (e.g., the nose, lungs, and diaphragm in the respiratory system).

    2. Recognize that the human body is organized from cells, to tissues, to organs, to systems, to the organism. C. Understand the structure of organisms and the function of cells in living systems.

  1. Explain the diverse structures and functions of living things and the complex relationships between living things and their environments.

    5th Grade

    1. Identify the components of habitats and ecosystems (producers, consumers, decomposers, predators).

    2. Understand how food webs depict relationships between different organisms.

    3. Know that changes in the environment can have different effects on different organisms (e.g., some organisms move, some survive, some reproduce, some die).

    4. Describe how human activity impacts the environment.

    6th Grade

    Populations and Ecosystems

    1. Identify the living and nonliving parts of an ecosystem and describe the relationships among these components.

    2. Explain biomes (i.e., aquatic, desert, rainforest, grasslands, tundra) and describe the New Mexico biome.

    3. Explain how individuals of species that exist together interact with their environment to create an ecosystem (e.g., populations, communities, niches, habitats, food webs).

    4. Explain the conditions and resources needed to sustain life in specific ecosystems.

    5. Describe how the availability of resources and physical factors limit growth (e.g., quantity of light and water, range of temperature, composition of soil) and how the water, carbon, and nitrogen cycles contribute to the availability of those resources to support living systems.

    7th Grade

    Biodiversity

    6. Understand how diverse species fill all niches in an ecosystem.

    7. Know how to classify organisms: domain, kingdom, phylum, class, order, family, genus, species.

    8th Grade

    1. Describe how matter moves through ecosystems (e.g., water cycle, carbon cycle).

    2. Describe how energy flows through ecosystems (e.g., sunlight, green plants, food for animals).

    3. Explain how a change in the flow of energy can impact an ecosystem (e.g., the amount of sunlight available for plant growth, global climate change). A. Understand how the survival of species depends on biodiversity and on complex interactions, including the cycling of matter and the flow of energy.

  2. Understand how traits are passed from one generation to the next and how species evolve.

    5th Grade

    1. Know that plants and animals have life cycles that include birth, growth and development, reproduction, and death and that these cycles differ for different organisms.

    2. Identify characteristics of an organism that are inherited from its parents (e.g., eye color in humans, flower color in plants) and other characteristics that are learned or result from interactions with the environment.

    3. Understand that heredity is the process by which traits are passed from one generation to another.

    6th Grade

    1. Understand that the fossil record provides data for how living organisms have evolved.

    2. Describe how species have responded to changing environmental conditions over time (e.g., extinction, adaptation).

    7th Grade

    Reproduction

    1. Know that reproduction is a characteristic of all living things and is essential to the continuation of a species.

    2. Identify the differences between sexual and asexual reproduction.

    3. Know that, in sexual reproduction, an egg and sperm unite to begin the development of a new individual.

    4. Know that organisms that sexually reproduce fertile offspring are members of the same species.

    Heredity

    5. Understand that some characteristics are passed from parent to offspring as inherited traits and others are acquired from interactions with the environment.

    6. Know that hereditary information is contained in genes that are located in chromosomes, including:

    determination of traits by genes

    traits determined by one or many genes

    more than one trait sometimes influenced by a single gene.

    Biological Evolution

    7. Describe how typical traits may change from generation to generation due to environmental influences (e.g., color of skin, shape of eyes, camouflage, shape of beak).

    8. Explain that diversity within a species is developed by gradual changes over many generations.

    9. Know that organisms can acquire unique characteristics through naturally occurring genetic variations.

    10. Identify adaptations that favor the survival of organisms in their environments (e.g., camouflage, shape of beak).

    11. Understand the process of natural selection.

    12. Explain how species adapt to changes in the environment or become extinct and that extinction of species is common in the history of living things.

    13. Know that the fossil record documents the appearance, diversification, and extinction of many life forms.

    8th Grade

    1. Understand that living organisms are made mostly of molecules consisting of a limited number of elements (e.g., carbon, hydrogen, nitrogen, oxygen).

    2. Identify DNA as the chemical compound involved in heredity in living organisms.

    3. Describe the widespread role of carbon in the chemistry of living systems. B. Understand the genetic basis for inheritance and the basic concepts of biological evolution.

  3. Understand the structure of organisms and the function of cells in living systems.

    5th Grade

    1. Understand that all living organisms are composed of cells from one to many trillions, and that cells are usually only visible through a microscope.

    2. Know that some organisms are made of a collection of similar cells that cooperate (e.g., algae) while other organisms are made of cells that are different in appearance and function (e.g., corn, birds).

    3. Describe the relationships among cells, tissues, organs, organ systems, whole organisms, and ecosystems.

    6th Grade

    1. Explain how fossil fuels were formed from animal and plant cells.

    2. Describe the differences between substances that were produced by living organisms (e.g., fossil fuels) and substances that result from nonliving processes (e.g., igneous rocks).

    7th Grade

    Structure of Organisms

    1. Understand that organisms are composed of cells and identify unicellular and multicellular organisms.

    2. Explain how organs are composed of tissues of different types of cells (e.g., skin, bone, muscle, heart, intestines).

    Function of Cells

    3. Understand that many basic functions of organisms are carried out in cells, including:

    • growth and division to produce more cells (mitosis)
    • specialized functions of cells (e.g., reproduction, nerve-signal transmission, digestion, excretion, movement, transport of oxygen).

    4. Compare the structure and processes of plant cells and animal cells.

    5. Describe how some cells respond to stimuli (e.g., light, heat, pressure, gravity).

    6. Describe how factors (radiation, UV light, drugs) can damage cellular structure or function.

    8th Grade

    1. Describe how cells use chemical energy obtained from food to conduct cellular functions (i.e., respiration).

    2. Explain that photosynthesis in green plants captures the energy from the sun and stores it chemically.

    3. Describe how chemical substances can influence cellular activity (e.g., pH). C. Understand the characteristics, structures, and functions of cells.

  1. Understand how the survival of species depends on biodiversity and on complex interactions, including the cycling of matter and the flow of energy.

    Ecosystems

    1. Know that an ecosystem is complex and may exhibit fluctuations around a steady state or may evolve over time.

    2. Describe how organisms cooperate and compete in ecosystems (e.g., producers, decomposers, herbivores, carnivores, omnivores, predator-prey, symbiosis, mutualism).

    3. Understand and describe how available resources limit the amount of life an ecosystem can support (e.g., energy, water, oxygen, nutrients).

    4. Critically analyze how humans modify and change ecosystems (e.g., harvesting, pollution, population growth, technology).

    Energy Flow in the Environment

    5. Explain how matter and energy flow through biological systems (e.g., organisms, communities, ecosystems), and how the total amount of matter and energy is conserved but some energy is always released as heat to the environment.

    6. Describe how energy flows from the sun through plants to herbivores to carnivores and decomposers.

    7. Understand and explain the principles of photosynthesis (i.e., chloroplasts in plants convert light energy, carbon dioxide, and water into chemical energy).

    Biodiversity

    8. Understand and explain the hierarchical classification scheme (i.e., domain, kingdom, phylum, class, order, family, genus, species), including:

    • classification of an organism into a category
    • similarity inferred from molecular structure (DNA) closely matching classification based on anatomical similarities
    • similarities of organisms reflecting evolutionary relationships.

    9. Understand variation within and among species, including:

    • mutations and genetic drift
    • factors affecting the survival of an organism
    • natural selection.

  2. Understand the genetic basis for inheritance and the basic concepts of biological evolution.

    Genetics

    1. Know how DNA carries all genetic information in the units of heredity called genes, including:

    • the structure of DNA ( e.g., subunits A, G, C, T)
    • information-preserving replication of DNA
    • alteration of genes by inserting, deleting, or substituting parts of DNA.

    2. Use appropriate vocabulary to describe inheritable traits (i.e., genotype, phenotype).

    3. Explain the concepts of segregation, independent assortment, and dominant/recessive alleles.

    4. Identify traits that can and cannot be inherited.

    5. Know how genetic variability results from the recombination and mutation of genes, including:

    • sorting and recombination of genes in sexual reproduction result in a change in DNA that is passed on to offspring
    • radiation or chemical substances can cause mutations in cells, resulting in a permanent change in DNA.

    6. Understand the principles of sexual and asexual reproduction, including meiosis and mitosis.

    7. Know that most cells in the human body contain 23 pairs of chromosomes including one pair that determines sex, and that human females have two X chromosomes and human males have an X and a Y chromosome.

    Biological Evolution

    8. Describe the evidence for the first appearance of life on Earth as one-celled organisms, over 3.5 billion years ago, and for the later appearance of a diversity of multicellular organisms over millions of years.

    9. Critically analyze the data and observations supporting the conclusion that the species living on Earth today are related by descent from the ancestral one-celled organisms.

    10. Understand the data, observations, and logic supporting the conclusion that species today evolved from earlier, distinctly different species, originating from the ancestral one-celled organisms.

    11. Understand that evolution is a consequence of many factors, including the ability of organisms to reproduce, genetic variability, the effect of limited resources, and natural selection.

    12. Explain how natural selection favors individuals who are better able to survive, reproduce, and leave offspring.

    13. Analyze how evolution by natural selection and other mechanisms explains many phenomena including the fossil record of ancient life forms and similarities (both physical and molecular) among different species.

  3. Understand the characteristics, structures, and functions of cells.

    Structure and Function

    1. Know that cells are made of proteins composed of combinations of amino acids.

    2. Know that specialized structures inside cells in most organisms carry out different functions, including:

    • parts of a cell and their functions (e.g., nucleus, chromosomes, plasma, and mitochondria)
    • storage of genetic material in DNA
    • similarities and differences between plant and animal cells
    • prokaryotic and eukaryotic cells.

    3. Describe the mechanisms for cellular processes (e.g., energy production and storage, transport of molecules, waste disposal, synthesis of new molecules).

    4. Know how the cell membrane controls which ions and molecules enter and leave the cell based on membrane permeability and transport (i.e., osmosis, diffusion, active transport, passive transport).

    5. Explain how cells differentiate and specialize during the growth of an organism, including:

    differentiation, regulated through the selected expression of different genes

    specialized cells, response to stimuli (e.g., nerve cells, sense organs).

    6. Know that DNA directs protein building (e.g., role of RNA).

    Biochemical Mechanisms

    7. Describe how most cell functions involve chemical reactions, including:

    • promotion or inhibition of biochemical reactions by enzymes
    • processes of respiration (e.g., energy production, ATP)
    • communication from cell to cell by secretion of a variety of chemicals (e.g., hormones).

Scientific Thinking and Practice Standard 1

Scientific Thinking and Practice Standard 1 - SC

Understand the processes of scientific investigations and use inquiry and scientific ways of observing, experimenting, predicting, and validating to think critically.

Grade K-4 students will: Grade 5-8 students will: Grade 9-12 students will:
  1. Use scientific methods to observe, collect, record, analyze, predict, interpret, and determine reasonableness of data.

    Kindergarten

    1. Use observation and questioning skills in science inquiry (e.g., What happens when something is pushed or pulled?).

    2. Ask and answer questions about surroundings and share findings with classmates.

    3. Record observations and data with pictures, numbers, and/or symbols.

    1st Grade

    1. Make observations, develop simple questions, and make comparisons of familiar situations (e.g., What does the seed look like when it starts to grow?).

    2. Describe relationships between objects (e.g., above, next to, below) and predict the results of changing the relationships (e.g., When that block moves, what will happen to the one next to it?).

    2nd Grade

    1. Conduct simple investigations (e.g., measure the sizes of plants of the same kind that are grown in sunlight and in shade).

    2. Use tools to provide information not directly available through only the senses (e.g., magnifiers, rulers, thermometers).

    3. Make predictions based on observed patterns as opposed to random guessing.

    4. Follow simple instructions for a scientific investigation.

    3rd Grade

    1. Make new observations when discrepancies exist between two descriptions of the same object or phenomenon to improve accuracy.

    2. Recognize the difference between data and opinion.

    3. Use numerical data in describing and comparing objects, events, and measurements.

    4. Collect data in an investigation and analyze those data.

    5. Know that the same scientific laws govern investigations in different times and places (e.g., gravity, growing plants).

    4th Grade

    1. Use instruments to perform investigations (e.g., timers, balances) and communicate findings.

    2. Differentiate observation from interpretation and understand that a scientific explanation comes in part from what is observed and in part from how the observation is interpreted.

    3. Conduct multiple trials to test a prediction, draw logical conclusions, and construct and interpret graphs from measurements.

    4. Collect data in an investigation using multiple techniques, including control groups, and analyze those data to determine what other investigations could be conducted to validate findings.

  2. Use scientific thinking and knowledge and communicate findings.

    Kindergarten

    1. Communicate observations and answer questions about surroundings.

    1st Grade

    1. Know that simple investigations do not always turn out as planned.

    2nd Grade

    1. Understand that in doing science it is often helpful to work with a team and share findings.

    2. Make accurate observations and communicate findings about investigations.

    3rd Grade

    1. Use a variety of methods to display data and present findings.

    2. Understand that predictions are based on observations, measurements, and cause-and-effect relationships.

    4th Grade

    1. Communicate ideas and present findings about scientific investigations that are open to critique from others.

    2. Describe how scientific investigations may differ from one another (e.g., observations of nature, measurements of things changing over time).

    3. Understand how data are used to explain how a simple system functions (e.g., a thermometer to measure heat loss as water cools).

  3. Use mathematical skills and vocabulary to analyze data, understand patterns and relationships, and communicate findings.

    Kindergarten

    1. Observe and describe the relative sizes and characteristics of objects (e.g., bigger, brighter, louder, smellier).

    1st Grade

    1. Use numbers and mathematical language (e.g., "addition" instead of "add to," "subtraction" instead of "take away") to describe phenomena.

    2nd Grade

    1. Record observations on simple charts or diagrams.

    2. Measure length, weight, and temperature with appropriate tools and express those measurements in accurate mathematical language.

    3rd Grade

    1. Use numerical data in describing and comparing objects, events, and measurements.

    2. Pose a question of interest and present observations and measurements with accuracy.

    3. Use various methods to display data and present findings and communicate results in accurate mathematical language.

    4th Grade

    1. Conduct multiple trials using simple mathematical techniques to make and test predictions.

    2. Use mathematical equations to formulate and justify predictions based on cause-and-effect relationships.

    3. Identify simple mathematical relationships in a scientific investigation (e.g., the relationship of the density of materials that will or will not float in water to the density of water).

  1. Use scientific methods to develop questions, design and conduct experiments using appropriate technologies, analyze and evaluate results, make predictions, and communicate findings.

    5th Grade

    1. Plan and conduct investigations, including formulating testable questions, making systematic observations, developing logical conclusions, and communicating findings.

    2. Use appropriate technologies (e.g., calculators, computers, balances, spring scales, microscopes) to perform scientific tests and to collect and display data.

    3. Use graphic representations (e.g., charts, graphs, tables, labeled diagrams) to present data and produce explanations for investigations.

    4. Describe how credible scientific investigations use reproducible elements including single variables, controls, and appropriate sample sizes to produce valid scientific results.

    5. Communicate the steps and results of a scientific investigation.

    6th Grade

    1. Construct appropriate graphs from data and develop qualitative and quantitative statements about the relationships between variables being investigated.

    2. Examine the reasonableness of data supporting a proposed scientific explanation.

    3. Justify predictions and conclusions based on data.

    7th Grade

    1. Use a variety of print and web resources to collect information, inform investigations, and answer a scientific question or hypothesis.

    2. Use models to explain the relationships between variables being investigated.

    8th Grade

    1. Evaluate the accuracy and reproducibility of data and observations.

    2. Use a variety of technologies to gather, analyze and interpret scientific data.

    3. Know how to recognize and explain anomalous data.

  2. Understand the processes of scientific investigation and how scientific inquiry results in scientific knowledge.

    5th Grade

    1. Understand that different kinds of investigations are used to answer different kinds of questions (e.g., observations, data collection, controlled experiments).

    2. Understand that scientific conclusions are subject to peer and public review.

    6th Grade

    1. Understand that scientific knowledge is continually reviewed, critiqued, and revised as new data become available.

    2. Understand that scientific investigations use common processes that include the collection of relevant data and observations, accurate measurements, the identification and control of variables, and logical reasoning to formulate hypotheses and explanations.

    3. Understand that not all investigations result in defensible scientific explanations.

    7th Grade

    1. Describe how bias can affect scientific investigation and conclusions.

    2. Critique procedures used to investigate a hypothesis.

    3. Analyze and evaluate scientific explanations.

    8th Grade

    1. Examine alternative explanations for observations.

    2. Describe ways in which science differs from other ways of knowing and from other bodies of knowledge (e.g., experimentation, logical arguments, skepticism).

    3. Know that scientific knowledge is built on questions posed as testable hypotheses, which are tested until the results are accepted by peers.

  3. Use mathematical ideas, tools, and techniques to understand scientific knowledge.

    5th Grade

    1. Use appropriate units to make precise and varied measurements.

    2. Use mathematical skills to analyze data.

    3. Make predictions based on analyses of data, observations, and explanations.

    4. Understand the attributes to be measured in a scientific investigation and describe the units, systems, and processes for making the measurement.

    6th Grade

    1. Evaluate the usefulness and relevance of data to an investigation.

    2. Use probabilities, patterns, and relationships to explain data and observations.

    7th Grade

    1. Understand that the number of data (sample size) influences the reliability of a prediction.

    2. Use mathematical expressions to represent data and observations collected in scientific investigations.

    3. Select and use an appropriate model to examine a phenomenon.

    8th Grade

    1. Use mathematical expressions and techniques to explain data and observations and to communicate findings (e.g., formulas and equations, significant figures, graphing, sampling, estimation, mean).

    2. Create models to describe phenomena.

  1. Use accepted scientific methods to collect, analyze, and interpret data and observations and to design and conduct scientific investigations and communicate results.

    1. Describe the essential components of an investigation, including appropriate methodologies, proper equipment, and safety precautions.

    2. Design and conduct scientific investigations that include:

    • testable hypotheses
    • controls and variables
    • methods to collect, analyze, and interpret data
    • results that address hypotheses being investigated
    • predictions based on results
    • re-evaluation of hypotheses and additional experimentation as necessary
    • error analysis.

    3. Use appropriate technologies to collect, analyze, and communicate scientific data (e.g., computers, calculators, balances, microscopes).

    4. Convey results of investigations using scientific concepts, methodologies, and expressions, including:

    • scientific language and symbols
    • diagrams, charts, and other data displays
    • mathematical expressions and processes (e.g., mean, median, slope, proportionality)
    • clear, logical, and concise communication
    • reasoned arguments

    5. Understand how scientific theories are used to explain and predict natural phenomena (e.g., plate tectonics, ocean currents, structure

  2. Understand that scientific processes produce scientific knowledge that is continually evaluated, validated, revised, or rejected.

    1. Understand how scientific processes produce valid, reliable results, including:

    • consistency of explanations with data and observations
    • openness to peer review
    • full disclosure and examination of assumptions
    • testability of hypotheses
    • repeatability of experiments and reproducibility of results.

    2. Use scientific reasoning and valid logic to recognize:

    • faulty logic
    • cause and effect
    • the difference between observation and unsubstantiated inferences and conclusions
    • potential bias

    3. Understand how new data and observations can result in new scientific knowledge.

    4. Critically analyze an accepted explanation by reviewing current scientific knowledge.

    5. Examine investigations of current interest in science (e.g., superconductivity, molecular machines, age of the universe).

    6. Examine the scientific processes and logic used in investigations of past events (e.g., using data from crime scenes, fossils), investigations that can be planned in advance but are only done once (e.g., expensive or time-consuming experiments such as medical clinical trials), and investigations of phenomena that can be repeated easily and frequently.

  3. Use mathematical concepts, principles, and expressions to analyze data, develop models, understand patterns and relationships, evaluate findings, and draw conclusions.

    1. Create multiple displays of data to analyze and explain the relationships in scientific investigations.

    2. Use mathematical models to describe, explain, and predict natural phenomena.

    3. Use technologies to quantify relationships in scientific hypotheses (e.g., calculators, computer spreadsheets and databases, graphing software, simulations, modeling).

    4. Identify and apply measurement techniques and consider possible effects of measurement errors.

    5. Use mathematics to express and establish scientific relationships (e.g., scientific notation, vectors, dimensional analysis).

Scientific Thinking and Practice Standard 1

Scientific Thinking and Practice Standard 1 - SC

Understand the processes of scientific investigations and use inquiry and scientific ways of observing, experimenting, predicting, and validating to think critically.

Grade K-4 students will: Grade 5-8 students will: Grade 9-12 students will:
  1. Use scientific methods to observe, collect, record, analyze, predict, interpret, and determine reasonableness of data.

    Kindergarten

    1. Use observation and questioning skills in science inquiry (e.g., What happens when something is pushed or pulled?).

    2. Ask and answer questions about surroundings and share findings with classmates.

    3. Record observations and data with pictures, numbers, and/or symbols.

    1st Grade

    1. Make observations, develop simple questions, and make comparisons of familiar situations (e.g., What does the seed look like when it starts to grow?).

    2. Describe relationships between objects (e.g., above, next to, below) and predict the results of changing the relationships (e.g., When that block moves, what will happen to the one next to it?).

    2nd Grade

    1. Conduct simple investigations (e.g., measure the sizes of plants of the same kind that are grown in sunlight and in shade).

    2. Use tools to provide information not directly available through only the senses (e.g., magnifiers, rulers, thermometers).

    3. Make predictions based on observed patterns as opposed to random guessing.

    4. Follow simple instructions for a scientific investigation.

    3rd Grade

    1. Make new observations when discrepancies exist between two descriptions of the same object or phenomenon to improve accuracy.

    2. Recognize the difference between data and opinion.

    3. Use numerical data in describing and comparing objects, events, and measurements.

    4. Collect data in an investigation and analyze those data.

    5. Know that the same scientific laws govern investigations in different times and places (e.g., gravity, growing plants).

    4th Grade

    1. Use instruments to perform investigations (e.g., timers, balances) and communicate findings.

    2. Differentiate observation from interpretation and understand that a scientific explanation comes in part from what is observed and in part from how the observation is interpreted.

    3. Conduct multiple trials to test a prediction, draw logical conclusions, and construct and interpret graphs from measurements.

    4. Collect data in an investigation using multiple techniques, including control groups, and analyze those data to determine what other investigations could be conducted to validate findings.

  2. Use scientific thinking and knowledge and communicate findings.

    Kindergarten

    1. Communicate observations and answer questions about surroundings.

    1st Grade

    1. Know that simple investigations do not always turn out as planned.

    2nd Grade

    1. Understand that in doing science it is often helpful to work with a team and share findings.

    2. Make accurate observations and communicate findings about investigations.

    3rd Grade

    1. Use a variety of methods to display data and present findings.

    2. Understand that predictions are based on observations, measurements, and cause-and-effect relationships.

    4th Grade

    1. Communicate ideas and present findings about scientific investigations that are open to critique from others.

    2. Describe how scientific investigations may differ from one another (e.g., observations of nature, measurements of things changing over time).

    3. Understand how data are used to explain how a simple system functions (e.g., a thermometer to measure heat loss as water cools).

  3. Use mathematical skills and vocabulary to analyze data, understand patterns and relationships, and communicate findings.

    Kindergarten

    1. Observe and describe the relative sizes and characteristics of objects (e.g., bigger, brighter, louder, smellier).

    1st Grade

    1. Use numbers and mathematical language (e.g., "addition" instead of "add to," "subtraction" instead of "take away") to describe phenomena.

    2nd Grade

    1. Record observations on simple charts or diagrams.

    2. Measure length, weight, and temperature with appropriate tools and express those measurements in accurate mathematical language.

    3rd Grade

    1. Use numerical data in describing and comparing objects, events, and measurements.

    2. Pose a question of interest and present observations and measurements with accuracy.

    3. Use various methods to display data and present findings and communicate results in accurate mathematical language.

    4th Grade

    1. Conduct multiple trials using simple mathematical techniques to make and test predictions.

    2. Use mathematical equations to formulate and justify predictions based on cause-and-effect relationships.

    3. Identify simple mathematical relationships in a scientific investigation (e.g., the relationship of the density of materials that will or will not float in water to the density of water).

  1. Use scientific methods to develop questions, design and conduct experiments using appropriate technologies, analyze and evaluate results, make predictions, and communicate findings.

    5th Grade

    1. Plan and conduct investigations, including formulating testable questions, making systematic observations, developing logical conclusions, and communicating findings.

    2. Use appropriate technologies (e.g., calculators, computers, balances, spring scales, microscopes) to perform scientific tests and to collect and display data.

    3. Use graphic representations (e.g., charts, graphs, tables, labeled diagrams) to present data and produce explanations for investigations.

    4. Describe how credible scientific investigations use reproducible elements including single variables, controls, and appropriate sample sizes to produce valid scientific results.

    5. Communicate the steps and results of a scientific investigation.

    6th Grade

    1. Construct appropriate graphs from data and develop qualitative and quantitative statements about the relationships between variables being investigated.

    2. Examine the reasonableness of data supporting a proposed scientific explanation.

    3. Justify predictions and conclusions based on data.

    7th Grade

    1. Use a variety of print and web resources to collect information, inform investigations, and answer a scientific question or hypothesis.

    2. Use models to explain the relationships between variables being investigated.

    8th Grade

    1. Evaluate the accuracy and reproducibility of data and observations.

    2. Use a variety of technologies to gather, analyze and interpret scientific data.

    3. Know how to recognize and explain anomalous data.

  2. Understand the processes of scientific investigation and how scientific inquiry results in scientific knowledge.

    5th Grade

    1. Understand that different kinds of investigations are used to answer different kinds of questions (e.g., observations, data collection, controlled experiments).

    2. Understand that scientific conclusions are subject to peer and public review.

    6th Grade

    1. Understand that scientific knowledge is continually reviewed, critiqued, and revised as new data become available.

    2. Understand that scientific investigations use common processes that include the collection of relevant data and observations, accurate measurements, the identification and control of variables, and logical reasoning to formulate hypotheses and explanations.

    3. Understand that not all investigations result in defensible scientific explanations.

    7th Grade

    1. Describe how bias can affect scientific investigation and conclusions.

    2. Critique procedures used to investigate a hypothesis.

    3. Analyze and evaluate scientific explanations.

    8th Grade

    1. Examine alternative explanations for observations.

    2. Describe ways in which science differs from other ways of knowing and from other bodies of knowledge (e.g., experimentation, logical arguments, skepticism).

    3. Know that scientific knowledge is built on questions posed as testable hypotheses, which are tested until the results are accepted by peers.

  3. Use mathematical ideas, tools, and techniques to understand scientific knowledge.

    5th Grade

    1. Use appropriate units to make precise and varied measurements.

    2. Use mathematical skills to analyze data.

    3. Make predictions based on analyses of data, observations, and explanations.

    4. Understand the attributes to be measured in a scientific investigation and describe the units, systems, and processes for making the measurement.

    6th Grade

    1. Evaluate the usefulness and relevance of data to an investigation.

    2. Use probabilities, patterns, and relationships to explain data and observations.

    7th Grade

    1. Understand that the number of data (sample size) influences the reliability of a prediction.

    2. Use mathematical expressions to represent data and observations collected in scientific investigations.

    3. Select and use an appropriate model to examine a phenomenon.

    8th Grade

    1. Use mathematical expressions and techniques to explain data and observations and to communicate findings (e.g., formulas and equations, significant figures, graphing, sampling, estimation, mean).

    2. Create models to describe phenomena.

  1. Use accepted scientific methods to collect, analyze, and interpret data and observations and to design and conduct scientific investigations and communicate results.

    1. Describe the essential components of an investigation, including appropriate methodologies, proper equipment, and safety precautions.

    2. Design and conduct scientific investigations that include:

    • testable hypotheses
    • controls and variables
    • methods to collect, analyze, and interpret data
    • results that address hypotheses being investigated
    • predictions based on results
    • re-evaluation of hypotheses and additional experimentation as necessary
    • error analysis.

    3. Use appropriate technologies to collect, analyze, and communicate scientific data (e.g., computers, calculators, balances, microscopes).

    4. Convey results of investigations using scientific concepts, methodologies, and expressions, including:

    • scientific language and symbols
    • diagrams, charts, and other data displays
    • mathematical expressions and processes (e.g., mean, median, slope, proportionality)
    • clear, logical, and concise communication
    • reasoned arguments

    5. Understand how scientific theories are used to explain and predict natural phenomena (e.g., plate tectonics, ocean currents, structure

  2. Understand that scientific processes produce scientific knowledge that is continually evaluated, validated, revised, or rejected.

    1. Understand how scientific processes produce valid, reliable results, including:

    • consistency of explanations with data and observations
    • openness to peer review
    • full disclosure and examination of assumptions
    • testability of hypotheses
    • repeatability of experiments and reproducibility of results.

    2. Use scientific reasoning and valid logic to recognize:

    • faulty logic
    • cause and effect
    • the difference between observation and unsubstantiated inferences and conclusions
    • potential bias

    3. Understand how new data and observations can result in new scientific knowledge.

    4. Critically analyze an accepted explanation by reviewing current scientific knowledge.

    5. Examine investigations of current interest in science (e.g., superconductivity, molecular machines, age of the universe).

    6. Examine the scientific processes and logic used in investigations of past events (e.g., using data from crime scenes, fossils), investigations that can be planned in advance but are only done once (e.g., expensive or time-consuming experiments such as medical clinical trials), and investigations of phenomena that can be repeated easily and frequently.

  3. Use mathematical concepts, principles, and expressions to analyze data, develop models, understand patterns and relationships, evaluate findings, and draw conclusions.

    1. Create multiple displays of data to analyze and explain the relationships in scientific investigations.

    2. Use mathematical models to describe, explain, and predict natural phenomena.

    3. Use technologies to quantify relationships in scientific hypotheses (e.g., calculators, computer spreadsheets and databases, graphing software, simulations, modeling).

    4. Identify and apply measurement techniques and consider possible effects of measurement errors.

    5. Use mathematics to express and establish scientific relationships (e.g., scientific notation, vectors, dimensional analysis).

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