Grade 7 Science Worksheets

Learning Objectives

• Identify gravitational, elastic, and magnetic potential energy
• Explain how object arrangement affects stored potential energy
• Compare potential energy in different system arrangements+ Show more

Learning Objectives

• Compare design solutions using consistent measurements.
• Identify trade-offs among competing design features.
• Distinguish predicted behavior from observed prototype behavior.+ Show more

Learning Objectives

• Explain how quantitative models describe population changes
• Calculate simple trait and allele frequencies
• Interpret graphs showing changes across generations+ Show more

Learning Objectives

• Compare relative sizes and distances within the solar system
• Use astronomical units to describe distances in the solar system
• Use light-years to describe distances beyond the solar system+ Show more

Learning Objectives

• Explain how limited resources affect population growth rates
• Interpret logistic growth curves and identify carrying capacity
• Describe how births and deaths change population size+ Show more

Learning Objectives

• Explain how photosynthesis stores light energy in sugar bonds
• Describe how cellular respiration transfers energy into ATP
• Connect photosynthesis and respiration through matter and energy+ Show more

Learning Objectives

• Learn what free-body diagrams represent and how forces are shown.
• Identify different forces acting on objects in various situations.
• Understand how to draw simple net force diagrams for objects on inclined surfaces.

Learning Objectives

• Explain the steps of engineering design thinking from problem definition to solution iteration.
• Write clear problem specifications that include measurable criteria and realistic constraints.
• Use trade-off thinking to compare conceptual solutions using feasibility, cost, and environmental factors.

Learning Objectives

• Understand the differences in atomic composition between elements and compounds.
• Identify distinctive features of elements and compounds based on bonding and properties.
• Explain how chemical combinations alter properties compared to the constituent elements.+ Show more

Learning Objectives

• Understand how space telescopes are used to observe distant celestial objects
• Identify different types of space observation devices such as satellites and spacecraft
• Learn about the contributions of robotic missions and space stations to scientific data collection+ Show more

Learning Objectives

• Organize categorical and numerical data in clear scientific tables
• Explain how metadata and logs support credible scientific records
• Apply consistent timestamps and units to time-series observations+ Show more

Learning Objectives

• Evaluate scientific explanations by checking assumptions, alternative hypotheses, and the logic of conclusions.
• Distinguish correlation from causation and explain why strong evidence is not the same as strong claims.
• Assess the reliability of data and models by identifying methodological limitations and potential sources of bias.

Learning Objectives

• Explain the cause-and-effect chain in convection using temperature, density, and fluid motion
• Identify natural convection patterns in air based on density differences
• Use convection vocabulary (buoyancy, boundary layer, density) to describe heat transfer

Learning Objectives

• Understand the structure and components of food webs in ecosystems.
• Identify how energy flows through interconnected species in a food web.
• Describe how changes to one species can affect the entire ecosystem.+ Show more

Learning Objectives

• Explain how Earth’s rotation and axial tilt create daily and seasonal patterns.
• Describe how changes in daylight length are linked to the equinoxes and solstices.
• Use astronomical ideas to understand basic calendar and timekeeping conventions.

Learning Objectives

• Define key material properties (density, tensile/compressive strength, stiffness, ductility, toughness, thermal expansion) and describe what each property influences in structures.
• Compare wood, steel, and reinforced concrete in terms of strength-to-weight ratio, deformation under load, and typical failure modes.
• Apply material property reasoning to beam and column examples for serviceability, durability, and anticipated loading conditions.

Learning Objectives

• Define physical properties and describe how they are measured without changing a substance’s chemical identity
• Use physical properties (mass, volume, density, melting/boiling points, conductivity, and optical clarity) to classify materials
• Explain how phase-change temperatures and density can help identify purity and differentiate substances

Learning Objectives

• Define morphological, physiological, and behavioral adaptations with grade-appropriate examples.
• Explain how specific traits enhance survival and reproductive success in different environments.
• Distinguish between adaptations and acclimation.+ Show more

Learning Objectives

• Understand that all matter is made up of tiny particles called atoms and molecules.
• Describe how particles behave and interact in different states of matter.
• Explain the basic principles of chemical change at the particle level.+ Show more

Learning Objectives

• Explain how natural processes and human needs influence the availability of Earth’s resources (land, freshwater, and air).
• Describe how precipitation patterns, groundwater storage, and ecosystem capacity affect access to resources.
• Analyze how droughts and floods, along with human use, can increase stress on shared systems.

Learning Objectives

• Identify different types of rocks and describe their characteristics
• Understand the basic processes involved in the rock cycle
• Recognize how rocks transform among igneous, sedimentary, and metamorphic types+ Show more

Learning Objectives

• Apply probability concepts to predict genetic variation among offspring from a parental pair.
• Interpret genotype and phenotype ratios using Punnett squares and probability models.
• Understand monohybrid crosses, dominant and recessive alleles, and calculate expected inheritance proportions.+ Show more

Learning Objectives

• Explain how safety standards and codes help reduce risks in technological designs.
• Identify examples of compliance practices such as load ratings, grounding, and personal protective measures.
• Describe the purpose of safety factors and how they support reliable performance.+ Show more

Learning Objectives

• Identify key drivers of climate change, including greenhouse gases, land-use changes, and natural variability.
• Analyze evidence from temperature and CO2 records to understand climate system responses.
• Assess impacts of climate change on sea levels, precipitation, and agriculture.+ Show more

Learning Objectives

• Understand the key stages in embryonic development across different taxa.
• Identify conserved embryonic structures and their significance in evolution.
• Analyze developmental timing and patterning to infer phylogenetic relationships.+ Show more

Learning Objectives

• Understand how different types of energy transfer occur during motion changes.
• Recognize examples such as braking a car, inelastic collisions, and bouncing balls to illustrate energy transfers.
• Articulate reasoning linking changes in an object's motion energy to energy transfers into or out of the object.

Learning Objectives

• Understand how internal and external structures support organism survival.
• Identify different internal systems like transport, digestion, and coordination.
• Describe external features such as shells, spines, coloration, and beak forms.+ Show more

Learning Objectives

• Describe the key components of an ecosystem, including both living and nonliving factors.
• Explain how biotic and abiotic components interact within an ecosystem.
• Understand the flow of energy through producers and consumers in an ecosystem.

Learning Objectives

• Explain the technological design process as an iterative cycle: define the problem, set criteria and constraints, brainstorm, prototype, evaluate, and optimize.
• Use criteria and constraints to justify design decisions and to compare trade-offs between competing goals.
• Describe how measurements and performance metrics guide refinement of prototypes over multiple iterations.

Learning Objectives

• Identify and describe the three main states of matter: solid, liquid, and gas.
• Understand phase changes such as melting, freezing, vaporization, condensation, and sublimation.
• Relate temperature and pressure influences to phase transition points and measurable properties.

Learning Objectives

• Explain the difference between a hazard and a risk during laboratory or field activities.
• Describe how to use an SDS to identify hazards and select appropriate controls.
• Evaluate potential hazards by considering likelihood and severity and choosing mitigation strategies.+ Show more

Learning Objectives

• Formulate a testable hypothesis using clear investigation criteria
• Define variables operationally for fair scientific comparisons
• Explain how reproducible methods improve investigation reliability+ Show more

Learning Objectives

• Understand how models translate observations into representations for predictions.
• Identify different types of models: physical, diagrammatic, and computational.
• Explain the role of diagrams linking Earth, Moon, and Sun in lunar phases.+ Show more

Learning Objectives

• Understand how Earth's orbit and tilt affect seasons
• Identify patterns of daylight variation throughout the year
• Explain how Earth's position relative to the sun influences climate and timekeeping

Learning Objectives

• Understand various analytical indicators used to assess material purity.
• Identify methods to detect contamination in substances.
• Evaluate advantages and limitations of different purity assessment techniques.+ Show more

Learning Objectives

• Understand principles of temperature measurement and characteristics of different thermometers.
• Identify appropriate temperature measurement instruments for specific ranges and accuracies.
• Explain Celsius scale conventions, fixed points, and calibration importance.+ Show more

Learning Objectives

• Explain how momentum is conserved during collisions using mass and velocity.
• Differentiate elastic and inelastic collisions and predict changes in motion.
• Use conservation of momentum to calculate or compare post-collision velocities.+ Show more

Learning Objectives

• Understand the processes of deposition and their role in landform creation.
• Identify different depositional environments and features.
• Describe characteristics of sediment layers and depositional processes.+ Show more

Learning Objectives

• Explain how decomposers return nutrients to soil and water by breaking down dead organisms and waste.
• Describe how decomposition supports the continuity of matter in an ecosystem.
• Identify the roles of decomposers such as fungi and bacteria in nutrient recycling.

Learning Objectives

• Explain how rapid processes (storms, heavy rainfall, earthquakes, and volcanic activity) can change Earth’s surface locally.
• Describe how gradual processes can also reshape landscapes over longer times.
• Use evidence from surface changes (erosion, deposition, flooding, dunes and beaches) to connect causes to observable effects.

Learning Objectives

• Understand the relationship between heat, mass, and temperature change using the formula Q = mcΔT.
• Identify units such as joules and watts used in heat calculations.
• Calculate the amount of heat energy required to change the temperature of common substances.+ Show more

Learning Objectives

• Describe the principle of conservation of matter during chemical reactions.
• Explain how atoms are rearranged but not destroyed in reactions.
• Identify examples of conservation of mass in everyday observations.

Learning Objectives

• Understand how wildfires influence plant and animal populations in forests.
• Identify different biological and physical disturbances and their impacts on ecosystems.
• Interpret data related to ecosystem recovery after disturbances.+ Show more

Learning Objectives

• Understand the difference between correlation and causation in scientific data.
• Learn to evaluate evidence critically in scientific explanations.
• Identify logical fallacies and methodological limitations in scientific reasoning.+ Show more

Learning Objectives

• Identify how equations, graphs, and tables represent matter interactions
• Interpret quantitative relationships in mass or temperature versus time graphs
• Use balanced equations to determine stoichiometric ratios+ Show more

Learning Objectives

• Understand how the sun's position changes throughout the year
• Identify the effects of seasonal thermal cycles on environments
• Describe energy transfer processes related to seasons+ Show more

Learning Objectives

• Understand how data is organized in tables with proper units and labels.
• Interpret graphs by analyzing trends, clusters, and relationships.
• Compare data groups by examining the shape and direction of data patterns.+ Show more

Learning Objectives

• Understand different types of adaptations: morphological, physiological, and behavioral
• Identify specific examples of morphological adaptations in various species
• Explain how adaptations enhance survival and reproduction in specific environments