Grade 7 Worksheets

Learning Objectives

• Explain how scientists use long-term natural records and modern measurements to study climate change.
• Identify major climate drivers and describe how they can affect Earth’s energy balance and circulation.
• Compare evidence from ice cores, sediment layers, and tree rings to understand past temperature and precipitation patterns.

Learning Objectives

• Explain how density differences can separate mixtures using decanting, floatation, and centrifugation.
• Describe how buoyant force and sedimentation rate relate to particle density and particle size.
• Compare when to use different density-based separation methods based on the properties of the substances.

Learning Objectives

• Explain why model evaluation compares predictions to evidence.
• Identify how incorrect or missing assumptions can cause a model to disagree with observations.
• Use simulation-style reasoning to test which inputs most affect model outputs.+ Show more

Learning Objectives

• Understand the different methods of energy transfer: conduction, convection, and radiation.
• Identify examples of each energy transfer method in real-life scenarios.
• Describe how energy transforms from one form to another in various systems.

Learning Objectives

• Explain how energy decreases as it moves through trophic levels in a food web.
• Describe the role of producers and consumers in energy transfer.
• Understand why food chains are typically short and biomass varies with trophic position.+ Show more

Learning Objectives

• Analyze evidence for climate change drivers such as greenhouse gases, land-use change, and natural variability.
• Assess impacts of climate change on sea levels, precipitation, and agriculture.
• Interpret temperature and CO2 records, and understand carbon-cycle exchanges.+ Show more

Learning Objectives

• Identify similes in a given passage
• Interpret the meaning of similes within their context
• Understand how similes contribute to tone and imagery

Learning Objectives

• Explain how energy enters an ecosystem and moves through trophic levels.
• Describe the roles of producers, consumers, and decomposers in energy flow.
• Use the concept of energy loss between trophic levels to predict food-chain limits.

Learning Objectives

• Explain how the American flag functions as a symbol of freedom and democracy.
• Describe how flags can influence movements for justice and civil rights.
• Analyze how historical stories connected to the flag shape ideas of liberty and equality.+ Show more

Learning Objectives

• Explain how internal systems (transport, digestion, coordination) help organisms survive in their environments
• Describe how external structures (shells, spines, coloration, beaks) increase survival, feeding, and movement
• Use functional relationships to predict how a trait increases an organism’s chance of obtaining resources and reproducing

Learning Objectives

• Explain how theme is a central idea about life, society, or human behavior that develops across a text
• Support a theme statement using evidence such as events, character decisions, conflicts, and recurring ideas
• Differentiate between a topic and a theme and connect explanations to specific details+ Show more

Learning Objectives

• Explain density using the particle view, including how particle spacing affects mass per unit volume.
• Describe how heating can change density by increasing volume while mass stays the same.
• Use density differences to interpret sinking and floating behavior in different materials.+ Show more

Learning Objectives

• Understand how the circulatory system transports nutrients and gases.
• Identify the different organ systems involved in maintaining homeostasis.
• Explain the cooperation between the lungs, heart, and blood in gas exchange.+ Show more

Learning Objectives

• Explain how reproductive isolation and geographic separation can lead to speciation.
• Describe how polyploidy and adaptive radiation can increase biodiversity.
• Use examples to connect diversification rates and biogeographic patterns to environmental change.

Learning Objectives

• Explain how the urban heat island forms due to surface materials, vegetation loss, and human heat sources.
• Describe how impervious surfaces, reduced evapotranspiration, and building geometry influence local temperature and air movement.
• Evaluate mitigation strategies such as urban greenery, cool pavements, and strategic shading and predict their likely effects.

Learning Objectives

• Explain how functional requirements and constraints guide the steps of the design process.
• Use performance objectives (load capacity, stiffness, serviceability) to compare and select design options.
• Describe how decision matrices, sketches, and trade-off analysis support choosing a preferred solution.

Learning Objectives

• Explain how heating increases particle kinetic energy and spacing, causing thermal expansion in solids and liquids.
• Describe how cooling decreases particle motion and can lead to contraction.
• Predict how temperature changes can affect gas pressure in confined spaces.

Learning Objectives

• Explain how receptor proteins detect signaling molecules and start intracellular responses in cells.
• Compare chemical signaling with electrical signaling in how they coordinate activities.
• Describe how direct cell-to-cell connections like gap junctions and plasmodesmata help signals spread quickly.+ Show more

Learning Objectives

• Identify components of ecosystems, including biotic and abiotic elements.
• Describe the roles of producers, consumers, and decomposers in ecosystems.
• Understand the flow of energy from sunlight through food chains.+ Show more

Learning Objectives

• Explain how heating affects the particle spacing in solids, liquids, and gases.
• Describe the process of thermal expansion and contraction in different materials.
• Understand how temperature changes influence pressure in gases within confined spaces.+ Show more

Learning Objectives

• Identify evidence in a text that directly supports a claim.
• Explain how specific details connect to an interpretation or conclusion.
• Avoid using unrelated information as support.+ Show more

Learning Objectives

• Explain how functional requirements and constraints guide design choices.
• Use performance objectives (such as load capacity and stiffness) to compare solution options.
• Apply decision matrices and sketching to select preferred designs using criteria and trade-offs.

Learning Objectives

• Explain how parallel structure improves clarity in sentences and lists
• Identify mismatched grammatical forms in sentences and revise them into parallel form
• Apply parallel structure to write clearer clauses in persuasive and explanatory writing

Learning Objectives

• Explain how adaptations are inherited traits that can improve survival or reproduction in a specific environment.
• Identify different types of evidence for adaptation, including population trait differences and fossil records.
• Connect environmental change to shifts in traits using the idea of natural selection.

Learning Objectives

• Use consistent verb tenses to clearly show when events happen in a text
• Choose correct perfect tense and progressive forms to show completed and ongoing actions
• Maintain correct verb mood and verb agreement when verbs connect to subjects+ Show more

Learning Objectives

• Understand the differences between weather and climate.
• Identify key variables that influence weather and climate.
• Explain how climate is determined by long-term patterns, despite daily weather variability.

Learning Objectives

• Identify key ideas about United Nations Day and human rights from a short passage
• Determine whether statements about human rights are true or false based on the passage
• Use precise vocabulary to complete sentence stems about rights and responsibilities+ Show more

Learning Objectives

• Explain how inherited traits are passed from parents to offspring through genetic information.
• Distinguish between variation within a trait and the overall predictable patterns of inheritance.
• Use vocabulary related to genetics, such as genes, traits, and reproductive cells, accurately.

Learning Objectives

• Explain the conservation of matter principle in terms of atoms being rearranged during chemical reactions.
• Use the idea of a closed system to predict when total mass should stay the same before and after a reaction.
• Apply conservation of mass to interpret evidence from sealed-container experiments.

Learning Objectives

• Explain how diagrams, scale models, and quantitative representations can be used to predict system behavior
• Identify assumptions, simplifications, and scaling effects that affect model accuracy
• Interpret model outputs and describe limitations of models for understanding complex interactions

Learning Objectives

• Explain the concept of saturation and supersaturation.
• Identify real-life examples of saturation and crystallization.
• Understand the conditions that lead to solute crystallization.+ Show more

Learning Objectives

• Identify basic themes in chapter sections.
• Understand how chapter order influences thematic development.
• Analyze character conflicts and their evolution across chapters.+ Show more

Learning Objectives

• Explain how walls, roofs, windows, and foundations of a building envelope affect heat loss and heat gain
• Describe how thermal bridging and air infiltration can reduce a building’s thermal performance
• Identify common measurement indicators used to assess building envelope performance+ Show more

Learning Objectives

• Explain how birth and death rates and migration affect population size and distribution
• Compare exponential and logistic growth patterns using carrying capacity and limiting factors
• Describe how resources, disease, and competition influence population dynamics and species interactions

Learning Objectives

• Classify pure substances and mixtures based on composition and uniformity.
• Differentiate elements, compounds, and mixtures using examples and particle-level reasoning.
• Use evidence from properties (such as fixed vs. variable composition) to identify materials in everyday contexts.

Learning Objectives

• Understand the concept of filtration as a separation technique.
• Identify different physical properties used to separate mixtures.
• Apply knowledge of filtration to real-world water purification scenarios.+ Show more

Learning Objectives

• Identify common prefixes and suffixes and explain how they change or refine a word’s meaning.
• Use word-part clues (prefixes/suffixes) to predict the meaning of unfamiliar words in context.
• Apply spelling and word-choice rules when adding affixes to roots in academic writing.

Learning Objectives

• Define what a keystone species is and explain its role in an ecosystem.
• Identify examples of keystone species and their effects on biodiversity.
• Describe how the removal of a keystone species can impact the ecosystem structure.+ Show more

Learning Objectives

• Differentiate physical changes from chemical changes by analyzing what happens to matter.
• Identify indicators of chemical changes, such as gas production, precipitate formation, and temperature/color changes.
• Classify common examples as physical or chemical changes and justify the classification.

Learning Objectives

• Use textual evidence (actions, dialogue, and descriptions) to support interpretations about meaning in a story.
• Explain how character motivations and relationships change over time and how events influence decisions.
• Connect conflict and resolution to the development of theme.

Learning Objectives

• Identify causes and effects in narrative and informational texts using evidence.
• Use causal signal words to explain how events, decisions, or conditions lead to outcomes.
• Distinguish between supported causal claims and assumptions without evidence.

Learning Objectives

• Understand the importance of surface area in cells.
• Explain how surface area affects material exchange.
• Identify adaptations that increase surface area in cells.+ Show more

Learning Objectives

• Explain how evidence from tests or validated models is used to evaluate a design against specific criteria
• Interpret evaluation results by connecting performance data to intended function and realistic conditions
• Identify tradeoffs between criteria and justify which option best meets constraints

Learning Objectives

• Identify different signs indicating chemical and physical changes based on reading and observation.
• Understand how to differentiate between physical and chemical changes using evidence.
• Describe observable signs such as gas formation, color change, temperature change, precipitate formation, and irreversible transformation.

Learning Objectives

• Explain how physical properties (such as color, density, melting point, boiling point, magnetism, conductivity, and solubility) help describe substances.
• Use observed physical behavior to distinguish between substances or identify likely components of mixtures.
• Apply physical-property reasoning to suggest how mixtures can be separated.

Learning Objectives

• Understand the concept of corrosion in steel and its effects over time.
• Identify various environmental factors that contribute to material degradation.
• Learn protective measures used to enhance material durability.+ Show more

Learning Objectives

• Understand how temperature variations affect ecosystems
• Recognize the relationship between environmental factors and organisms
• Analyze examples of ecological responses to temperature changes+ Show more

Learning Objectives

• Explain why evolutionary change happens at the population level rather than the individual level.
• Describe how heritable variation can lead to certain traits becoming more common over generations.
• Use evidence and examples to connect evolutionary change to changing environments.