Grade 7 Science Worksheets

Learning Objectives

• Identify the main functions of the circulatory, respiratory, and digestive systems.
• Explain how organ systems depend on cellular transport and specialized structures.
• Describe the interactions among different organ systems to maintain internal stability.+ Show more

Learning Objectives

• Describe different types of volcanic landforms and their formation processes.
• Explain how magma composition and eruption style influence landform development.
• Identify tectonic settings associated with various volcanic features.+ Show more

Learning Objectives

• Understand what adaptations are and how they improve survival.
• Identify different types of evidence that support the existence of adaptations.
• Analyze how environmental changes influence traits in populations.+ Show more

Learning Objectives

• Understand that matter is conserved during physical and chemical changes.
• Identify evidence that supports the conservation of mass in different processes.
• Differentiate between physical and chemical changes based on mass conservation.+ Show more

Learning Objectives

• Understand the importance of clear criteria and constraints in the design process.
• Identify different types of design criteria and constraints.
• Analyze how criteria and constraints influence design choices.+ Show more

Learning Objectives

• Describe how matter cycles through ecosystems involving living and nonliving components.
• Identify the pathways of carbon, nitrogen, and other elements through processes like photosynthesis, respiration, and decomposition.
• Explain how decomposers return nutrients to the environment and support plant growth.+ Show more

Learning Objectives

• Distinguish between genotype (genetic makeup) and phenotype (observable traits).
• Explain how dominant and recessive alleles affect the traits that are expressed.
• Use genotype–phenotype reasoning to interpret patterns in families or hypothetical crosses.

Learning Objectives

• Identify and describe conduction, convection, and radiation as energy transfer mechanisms.
• Explain how energy can transform from one form to another in everyday systems.
• Compare different energy transfers to predict what will happen in real-life situations.

Learning Objectives

• Understand the process of comparing alternatives and selecting the best solution based on criteria and tradeoffs.
• Learn how to justify design choices by linking criteria to outcomes and managing constraints.
• Recognize the importance of iterative refinement and documenting decision-making in engineering design.+ Show more

Learning Objectives

• Understand the molecules in food and their roles as building materials and energy sources.
• Describe how food molecules are broken down and used for growth, repair, and energy.
• Explain the process of how food provides energy for body functions over time.

Learning Objectives

• Explain the process of diffusion and how particles move from higher to lower concentration.
• Describe how temperature affects the rate of diffusion.
• Differentiate between diffusion and mixing without particle transformation.+ Show more

Learning Objectives

• Use the principles of superposition and cross-cutting relationships to place geologic events in order.
• Explain how geologists infer relative ages of rock layers and features without exact numeric dates.
• Identify which rock relationships indicate older versus younger formations in a geologic history.

Learning Objectives

• Explain how latitude changes the angle of incoming sunlight and affects temperature patterns
• Describe how elevation and landforms can influence temperature and precipitation
• Connect distance from water and ocean currents to regional climate differences+ Show more

Learning Objectives

• Explain how gravity and water-driven forces contribute to mass wasting and coastal erosion
• Describe how saturation from prolonged rain can trigger landslides
• Identify how waves and storm surge reshape beaches, dunes, and shorelines over time

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

• Explain how heavy rainfall, runoff, and flooding can rapidly change Earth’s surface by eroding banks and depositing sediment
• Describe how storms, including coastal storms, reshape dunes and beaches
• Compare gradual processes (weathering, erosion, deposition) with sudden processes (earthquakes and volcanic activity)

Learning Objectives

• Understand how clouds form through air cooling and water vapor transformation.
• Identify different types of clouds and the conditions that produce them.
• Explain the processes that lead to various forms of precipitation like rain, snow, sleet, and hail.+ Show more

Learning Objectives

• Understand that matter is made of particles too small to see and that these particles are in constant motion.
• Explain how temperature affects the motion of particles and observable behaviors of substances.
• Describe how macroscopic properties like pressure and diffusion reflect particle interactions and spacing.+ Show more

Learning Objectives

• Understand how forces have both magnitude and direction and how they combine to form a net force.
• Explain how unbalanced forces change an object's velocity by altering speed and/or direction.
• Differentiate between balanced and unbalanced forces and their effects on objects.+ Show more

Learning Objectives

• Describe the different phases of matter and their particle arrangements during heating.
• Explain how temperature changes relate to phase transitions like melting and boiling.
• Identify patterns in temperature-time graphs during phase changes.+ Show more

Learning Objectives

• Understand how resource decisions impact land, water, and ecosystems.
• Analyze tradeoffs involved in balancing community needs and environmental health.
• Evaluate different management strategies considering long-term sustainability.+ Show more

Learning Objectives

• Identify Earth’s four system spheres: atmosphere, hydrosphere, geosphere, and biosphere.
• Explain how matter and energy move between spheres (water, gases, and rock/soil interactions).
• Describe how changes in one sphere can affect other spheres, including climate and ecosystems.

Learning Objectives

• Explain what net force means and how its direction affects motion
• Use vector addition ideas (with 1D sign conventions) to find net force
• Interpret equilibrium and free-body diagrams in real-world systems

Learning Objectives

• Explain how iterative refinement and quantitative comparison improve structural designs
• Distinguish between topology optimization and form optimization and describe their purposes
• Use performance-based criteria and life-cycle thinking to balance strength, stiffness, cost, and durability

Learning Objectives

• Understand how natural processes and human activities affect Earth's land, water, and air resources.
• Identify factors that influence resource availability, such as precipitation, geological storage, and ecosystem capacity.
• Analyze how natural events like droughts and floods impact resource access.+ Show more

Learning Objectives

• Differentiate between elements, compounds, and mixtures based on particle composition.
• Classify mixtures as homogeneous or heterogeneous using visual uniformity clues.
• Use observations about uniformity to predict what may happen during physical or chemical changes.

Learning Objectives

• Explain how gravity is a force that attracts objects and affects motion near Earth
• Differentiate between mass and weight and describe how weight depends on gravity
• Predict and interpret changes in an object’s motion as gravity accelerates it

Learning Objectives

• Identify physical properties of matter and explain how they can be observed or measured.
• Connect changes in heating (melting and boiling) to physical properties of substances.
• Use properties such as magnetism, conductivity, and solubility to predict and distinguish substances.

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 how density relates mass to volume using the idea of density = mass ÷ volume
• Classify density as an intensive property and justify why it does not depend on the amount of material
• Use density ideas to predict sinking and floating and to distinguish materials with similar shapes

Learning Objectives

• Classify mixtures as homogeneous or heterogeneous based on visible phases and uniform composition.
• Differentiate solutions, colloids, and suspensions using particle size and light scattering behavior.
• Predict how mixture stability affects separation choices for real-world examples.

Learning Objectives

• Understand the role of decomposers in recycling nutrients within ecosystems.
• Identify different types of decomposers such as fungi and bacteria.
• Explain how decomposition connects living organisms to the nonliving environment.+ Show more

Learning Objectives

• Understand how cells convert food molecules into usable energy.
• Identify internal processes involved in cellular energy transfer.
• Explain the conservation of matter during energy transformation in cells.+ Show more

Learning Objectives

• Differentiate between gravity, weight, and mass and explain how they relate to motion near Earth.
• Use Newtonian ideas (net force and acceleration) to predict how objects move as they fall.
• Interpret simple scenarios comparing objects with different masses in the same gravitational field.

Learning Objectives

• Explain how net force affects an object's change in velocity over time
• Distinguish balanced forces from unbalanced forces and predict the resulting motion
• Describe how friction, air resistance, and gravity influence motion near Earth

Learning Objectives

• Explain how measurement tool resolution limits accuracy and precision
• Describe how repeated measurements are used to estimate uncertainty
• Interpret data displays that use ranges or error estimates to judge whether results are meaningful+ Show more

Learning Objectives

• Explain how structural, physiological, and behavioral adaptations help organisms survive in specific habitats.
• Describe how selective pressures (temperature, moisture, predation, and resource availability) can shape adaptive traits over generations.
• Identify adaptive trade-offs and predict how traits may differ across environments such as wetlands, forests, and open meadows.

Learning Objectives

• Explain how walls, roofs, windows, and foundations contribute to a building’s thermal performance.
• Describe how thermal bridging and air infiltration affect heat loss and heat gain.
• Identify how insulation placement, continuous barriers, and ventilation work together to manage energy use.+ Show more

Learning Objectives

• Explain how calibration and traceable reference points improve temperature measurement accuracy.
• Identify common sources of error (sensor placement, radiation shielding, thermal contact, and response time) and how they affect readings.
• Interpret temperature results using uncertainty, resolution limits, and error budgets.+ Show more

Learning Objectives

• Distinguish temperature from internal energy using the idea of average kinetic energy of particles
• Describe common sources of thermal energy in natural and built environments
• Explain heat flow direction from higher internal energy to lower internal energy+ Show more

Learning Objectives

• Explain how temperature changes cause thermal expansion, contraction, phase changes, and viscosity variations in materials.
• Connect microscopic particle motion to macroscopic changes such as volume, density, and pressure.
• Predict practical consequences of thermal cycling for material choice and engineering design.

Learning Objectives

• Differentiate elements and compounds by describing their atomic composition and bonding.
• Explain how chemical formulas reflect fixed atomic ratios in compounds.
• Connect macroscopic properties (melting point and conductivity) to the difference between elements and compounds.+ Show more

Learning Objectives

• Explain how latitude and the angle of incoming sunlight affect temperature patterns on Earth
• Describe how elevation and distance from large water bodies influence climate and precipitation
• Analyze how ocean currents can transport warm or cold water and change regional climates

Learning Objectives

• Explain how density links mass and volume and distinguish it from length or size.
• Calculate or reason about density using the relationship between mass and volume.
• Use density to predict whether objects will sink or float in different fluids.

Learning Objectives

• Identify examples of competition, predation, and symbiosis in real ecosystems
• Explain how species interactions affect survival, growth, and population size over time
• Distinguish between mutualism, commensalism, and parasitism within symbiosis

Learning Objectives

• Explain how energy moves through trophic levels in a food web.
• Describe why only a fraction of energy becomes available at the next trophic level.
• Use the idea of trophic energy limits to predict effects on food-chain length and biomass.

Learning Objectives

• Explain how Earth’s axial tilt and revolution around the Sun produce seasonal changes and variations in day length.
• Describe how the daily apparent motion of the Sun supports timekeeping and calendar conventions.
• Use models and vocabulary (axial tilt, hemisphere, day length, equinox, solstice) to make evidence-based claims about Earth-Sun cycles.

Learning Objectives

• Explain how test data guide specific design changes toward a success criterion
• Describe how evidence-based revisions can improve performance while meeting constraints
• Use measurements and comparisons to justify why a revised design works better