Grade 7 Worksheets

Learning Objectives

• Compare how different authors present the same topic.
• Identify evidence and reasoning used by authors.
• Understand how perspective influences conclusions.+ Show more

Learning Objectives

• Identify observable evidence that indicates a chemical reaction has occurred.
• Connect macroscopic observations (gas, color change, precipitate, irreversibility) to particle rearrangement.
• Differentiate chemical changes from physical changes using consistent evidence.

Learning Objectives

• Explain solubility, saturation, and supersaturation using particle-level ideas.
• Describe how temperature, solvent polarity, and pressure affect dissolution.
• Use solubility concepts to predict concentration changes and crystallization outcomes.

Learning Objectives

• Understand different analytical indicators used to assess the purity of a substance.
• Recognize methods such as melting point, boiling point, conductivity, refractive index, and gravimetric residue.
• Evaluate how multiple criteria support robust purity assessments.+ Show more

Learning Objectives

• Identify gas production as a sign of chemical change
• Recognize observable signs like color change and precipitate formation
• Understand irreversible changes indicate chemical reactions+ Show more

Learning Objectives

• Evaluate source credibility by considering authority, evidence, and transparency.
• Analyze how well a source supports a claim using verifiable details such as data, quotations, or references.
• Assess whether a source’s reasoning matches the evidence and whether it is up to date for the topic.

Learning Objectives

• Identify observable evidence that suggests a chemical reaction has formed new substances.
• Explain how particle rearrangement connects to macroscopic observations like gas, color change, and precipitates.
• Differentiate chemical evidence from physical or reversible changes.

Learning Objectives

• Understand what gravity is and how it pulls objects downward.
• Recognize how mass affects gravitational force.
• Learn why different objects accelerate at the same rate near Earth.+ Show more

Learning Objectives

• Describe how heritable variation and environmental pressures influence natural selection.
• Explain how differential survival and reproduction lead to adaptation over generations.
• Identify examples of natural selection, such as antibiotic resistance and beak size variation.+ Show more

Learning Objectives

• Explain how habitat fragmentation, pollution, and invasive species change ecosystems.
• Describe how human activities can alter abiotic conditions and shift biodiversity and trophic structure.
• Evaluate how mitigation and restoration actions affect ecosystem recovery over time.

Learning Objectives

• Identify signs of gas production in chemical reactions.
• Differentiate between physical changes and chemical changes involving gases.
• Use observable evidence to infer chemical reactions.

Learning Objectives

• Identify credible sources by checking authority, evidence, and transparency.
• Explain how a source’s authorship and publication context affect trustworthiness.
• Evaluate whether a source’s reasoning matches the evidence and whether it is current for the topic.

Learning Objectives

• Explain how gravity produces weight and affects the motion of objects near Earth
• Relate gravitational force and acceleration using the role of mass and inertia
• Describe how support forces (normal forces) balance weight when objects are at rest

Learning Objectives

• Explain how biodiversity can increase ecosystem stability through functional redundancy
• Describe how disturbances like habitat loss and invasive species can reduce biodiversity and weaken ecosystem processes
• Use evidence from a passage to identify main ideas and correctly answer questions about biodiversity

Learning Objectives

• Explain how heritable variation and environmental pressures can change trait frequencies in a population over generations
• Describe how differential survival and reproduction lead to adaptation
• Use examples such as antibiotic resistance or island finch beak size to connect traits, selection, and evolution

Learning Objectives

• Explain how producers, consumers, and decomposers transfer matter and energy in ecosystems
• Describe how energy flows through food chains and food webs and why energy decreases at higher trophic levels
• Use key vocabulary (producer, consumer, decomposer, trophic level, metabolism, heat) to support scientific explanations

Learning Objectives

• Identify major human activities that alter ecosystems, such as habitat fragmentation and pollution.
• Explain how invasive species and pollution affect biodiversity and ecosystem resilience.
• Describe mitigation and restoration strategies for ecosystems impacted by human activities.+ Show more

Learning Objectives

• Identify how melting point, boiling point, conductivity, refractive index, and gravimetric residue can indicate impurities in a sample.
• Explain why different purity tests may give different results and how using multiple lines of evidence improves confidence.
• Apply purity concepts to evaluate whether a suspected substance is likely pure or contaminated.

Learning Objectives

• Identify macroscopic evidence that indicates a chemical reaction is occurring.
• Differentiate chemical changes from physical changes using observable and irreversible signs.
• Explain how particle rearrangement connects to observations such as gas production, color change, and precipitate formation.

Learning Objectives

• Explain how physical measurements (melting point, boiling point, conductivity, refractive index, and gravimetric residue) can indicate purity.
• Use multiple pieces of evidence to evaluate whether a substance is pure or contaminated.
• Compare the strengths and limitations of different purity-testing techniques and justify an overall conclusion.

Learning Objectives

• Explain how heritable variation and environmental pressures drive natural selection.
• Describe how differential survival and reproduction can shift trait distributions over generations.
• Use real-world examples (antibiotic resistance and island finches) to identify selective pressures and adaptations.

Learning Objectives

• Identify independent, dependent, and controlled variables in an investigation
• Explain how controlled variables support fair comparisons
• Interpret how changes in the dependent variable relate to the independent variable using data from tables or graphs

Learning Objectives

• Identify how a hook and a controlling thesis work together in an academic paragraph or essay.
• Write a hook that draws the reader in and then narrows toward a clear controlling idea.
• Create a thesis statement that signals the main focus and the direction of supporting details.

Learning Objectives

• Identify key safety information on health-related products, including labels, warnings, and expiration dates
• Apply safe usage steps to medications, supplements, and personal care items to reduce risk
• Evaluate product hazards and choose safer, approved options using trustworthy criteria

Learning Objectives

• Identify observable indicators that a chemical reaction has occurred, such as gas production, precipitate formation, color change, and temperature change.
• Explain irreversibility in chemical reactions and relate it to composition changes.
• Describe examples of chemical reactions, including rusting, combustion, and neutralization, and discuss how mass measurements in sealed systems demonstrate conservation principles.+ Show more

Learning Objectives

• Identify observable indicators that a chemical reaction has occurred.
• Explain how gas production, precipitate formation, color change, and temperature change serve as evidence of new substances.
• Distinguish chemical changes from reversible physical changes using conservation of mass in sealed systems.

Learning Objectives

• Explain how magnitude and direction of forces combine to produce a net force.
• Predict how balanced and unbalanced forces change an object’s motion (speed and/or direction).
• Use everyday examples (pushing a cart, stopping a moving object) to describe net force effects.

Learning Objectives

• Define net force and explain its effects on objects.
• Differentiate between balanced and unbalanced forces.
• Recognize examples of net force in everyday life.+ Show more

Learning Objectives

• Observe plant epidermis cells under a microscope.
• Identify cell boundaries such as plasma membranes and cell walls.
• Differentiate between unicellular and multicellular organisms.+ Show more

Learning Objectives

• Explain what risk assessment means in health-related decisions.
• Identify hazards, benefits, likelihood, and severity when evaluating a situation.
• Compare short-term and long-term outcomes to support safer choices.+ Show more

Learning Objectives

• Understand the causes and effects of deforestation and habitat loss
• Identify human activities that lead to habitat fragmentation
• Explain how habitat destruction impacts biodiversity and ecosystem functions

Learning Objectives

• Identify observations that provide evidence of chemical reactions
• Explain how new substances form during chemical reactions
• Describe conservation of matter using sealed-system mass measurements+ Show more

Learning Objectives

• Predict immediate and future consequences of health-related decisions.
• Explain how choices affect personal health, relationships, and community safety.
• Identify emotional and social impacts that follow from different actions.+ Show more

Learning Objectives

• Explain how biodiversity supports ecosystem stability through overlapping ecological functions.
• Describe how disturbances such as habitat loss and invasive species can reduce biodiversity and weaken ecosystem processes.
• Use evidence from a passage to answer questions about nutrient cycling and ecosystem resilience.

Learning Objectives

• Explain how forces can be added as a net force using magnitude and direction.
• Distinguish between balanced and unbalanced net forces and predict their effects on velocity.
• Use everyday examples (cart, ball, friction) to describe how changing forces change speed and/or direction.

Learning Objectives

• Explain how the Sun’s energy, atmospheric circulation, and water distribution contribute to Earth’s climate.
• Describe how ocean processes can modify regional climate by changing how heat is stored and released.
• Use cause-and-effect reasoning to predict how changes in climate drivers can shift patterns like drought or wet seasons.

Learning Objectives

• Explain how magnitude and direction combine to determine net force
• Predict how unbalanced and balanced forces affect an object’s velocity (speed and/or direction)
• Apply net force ideas to everyday situations such as starting, stopping, or redirecting objects

Learning Objectives

• Identify how melting point, boiling point, conductivity, refractive index, and gravimetric residue can indicate purity
• Explain how impurities can shift physical properties and widen melting ranges
• Use more than one line of evidence to support a claim about whether a sample is pure

Learning Objectives

• Identify observable indicators that a chemical reaction has occurred, such as gas production, precipitate formation, color change, and temperature change.
• Explain why chemical reactions are often irreversible in composition, using evidence from reaction outcomes.
• Use mass measurements and the conservation of mass to distinguish chemical changes from physical changes.

Learning Objectives

• Explain how matter and energy move through ecosystems using producers, consumers, and decomposers
• Describe how energy transfers through food chains and food webs and why less energy reaches higher trophic levels
• Connect the roles of metabolism and heat loss to patterns of energy flow in ecosystems+ Show more

Learning Objectives

• Explain how heritable variation affects populations over generations
• Describe how environmental pressures influence trait frequencies
• Identify how survival and reproduction contribute to natural selection+ Show more

Learning Objectives

• Examine how decisions impact personal health, relationships, and community.
• Predict immediate and future effects of actions on emotional, social, and physical wellbeing.
• Develop decision-making skills aligned with personal values and health outcomes.+ Show more

Learning Objectives

• Understand the key factors that influence Earth's climate patterns.
• Differentiate between weather and climate and their long-term significance.
• Identify how ocean processes and atmospheric circulation affect regional climate.+ Show more

Learning Objectives

• Understand the analytical indicators used to assess material purity.
• Identify methods to detect contamination in chemical samples.
• Compare different techniques such as melting points, conductivity, and gravimetric analysis.+ Show more

Learning Objectives

• Explain how an explanatory text is organized from introduction to conclusion.
• Identify how transitions connect claims, facts, definitions, and examples.
• Write an explanatory paragraph using topic sentences and supporting details.

Learning Objectives

• Identify the difference between a hook and a thesis statement in a draft.
• Write a controlling idea that clearly signals what the text will emphasize.
• Revise an opening so the hook narrows toward a specific thesis.

Learning Objectives

• Identify the signs indicating a chemical reaction has occurred
• Understand examples of chemical indicators such as gas production and precipitate formation
• Explain how energy changes and mass measurements relate to chemical reactions+ Show more

Learning Objectives

• Define states of matter using particle behavior and energy
• Identify the six phase changes named in the passage
• Explain, in basic terms, how temperature and pressure relate to phase changes