Grade 7 Science Worksheets

Learning Objectives

• Explain what makes a test fair when comparing two designs.
• Choose appropriate measurement tools and units for collecting data.
• Use consistent starting conditions to interpret differences in results.+ Show more

Learning Objectives

• Explain how internal processes (uplift, deformation, earthquakes, eruptions) can reshape Earth’s surface.
• Describe how external processes (erosion, wind and water transport, deposition) form landforms.
• Use surface evidence such as rock strata, landform patterns, and hazard history to support a claim about past events.

Learning Objectives

• Explain how engineered systems transfer motion or force from an input to an output.
• Describe how gears and gear ratios affect speed and torque in a hand-cranked device.
• Match common mechanisms (lever, pulley, linkage, gear) with their functions and where they are used.+ Show more

Learning Objectives

• Explain how greenhouse gases can alter temperature and precipitation patterns over time.
• Describe how land clearing can change water storage, evaporation, and the biosphere.
• Model how changes in the geosphere can affect erosion and sediment flow into waterways.+ Show more

Learning Objectives

• Explain how natural records and modern instruments provide evidence for climate patterns over time.
• Identify major climate drivers that can change Earth’s energy balance and circulation.
• Describe how scientists distinguish past conditions using ice cores, sediment layers, and tree rings.

Learning Objectives

• Explain how energy decreases at each trophic level in a food web.
• Describe why only a fraction of energy becomes available to the next level.
• Use trophic energy limits to predict patterns in food-chain length and biomass.

Learning Objectives

• Identify the atmosphere, hydrosphere, geosphere, and biosphere and describe what each includes.
• Explain how matter and energy move between spheres (for example, water and gases).
• Describe how changes in one Earth system sphere can affect other spheres.

Learning Objectives

• Identify measurable design criteria and explicit constraints in a design problem.
• Explain how trade-offs can affect multiple requirements in engineering design.
• Connect a solution plan to goals, constraints, and evidence of improvement.+ Show more

Learning Objectives

• Explain how Earth’s axial tilt and yearly orbit affect seasons in each hemisphere.
• Describe how Earth’s rotation creates day length and the sun’s apparent daily motion.
• Use patterns in daylight duration to support basic timekeeping ideas such as calendars.

Learning Objectives

• Explain how plate tectonics can cause earthquakes along faults and drive volcanic activity.
• Describe how weathering, erosion, and deposition change Earth’s surface over time.
• Use evidence such as fault features, lava flows, and sediment layers to connect geologic processes to landforms.

Learning Objectives

• Explain how technology trade-offs can affect both people and the environment
• Use ethical principles to evaluate impacts of technology across its life cycle
• Identify real-world engineering choices that can increase fairness, privacy, and safety+ Show more

Learning Objectives

• Explain how test results lead to specific design revisions.
• Connect evidence from measurements to targeted changes that improve performance.
• Describe how constraints (safety, materials, cost) shape what revisions are possible.+ Show more

Learning Objectives

• Compare how weather patterns and climate differ using time scales and data variability
• Describe how pressure changes and air mass movement can influence weather at different locations
• Interpret weather data examples to identify patterns across time and location+ Show more

Learning Objectives

• Explain the concepts of particle kinetic and potential energy during phase changes.
• Describe how latent heat phenomena are involved in melting, freezing, evaporation, and condensation.
• Interpret microscopic particle interactions in terms of macroscopic energy changes.+ Show more

Learning Objectives

• Understand the concept of astronomical units, light-years, and planetary diameters as measures of scale in the solar system and beyond.
• Interpret scaled diagrams and logarithmic representations showing planetary positions, distances, and the extent of the heliosphere.
• Analyze data to comprehend orders of magnitude differences and how scale influences observational capabilities and apparent motion in space.

Learning Objectives

• Analyze societal, economic, and environmental impacts of various technologies.
• Evaluate short-term and long-term consequences of technological developments.
• Understand ethical considerations and policy responses related to technology impacts.

Learning Objectives

• Understand the role of various connection types in structural load paths.
• Identify the functions of bolted, welded, and bearing connections.
• Explain how shear, bearing, and slip effects influence connection performance.+ Show more

Learning Objectives

• Understand the role of gravity in governing orbital motion within the solar system and galaxies.
• Explain the mathematical relationships that quantify orbital velocity and centripetal effects.
• Identify observational evidence such as orbital trajectories, Keplerian patterns, and perturbations supporting gravitational motion theories.+ Show more

Learning Objectives

• Explain how energy transfers occur through conduction, convection, and radiation
• Identify and compare the evidence of different energy transfer mechanisms in everyday situations
• Describe how energy can transform from one form into another in common devices

Learning Objectives

• Describe the different types of heat transfer: conduction, convection, and radiation.
• Explain how energy transfers between objects during heating and cooling processes.
• Use scientific units like Joules and kilojoules to quantify energy changes.+ Show more

Learning Objectives

• Explain how cells convert chemical energy from food into usable energy for life processes.
• Describe how ATP stores and transfers energy inside cells.
• Use the idea of matter conservation to explain what happens to nutrients during energy use.+ Show more

Learning Objectives

• Define the different states of matter based on particle arrangements and energy levels.
• Describe phase changes such as melting, freezing, vaporization, condensation, and sublimation.
• Explain how temperature and pressure influence phase transition points and measurable properties like density and viscosity.+ Show more

Learning Objectives

• Explain how ethical practices like data integrity, proper attribution, and intellectual property protect scientific communities.
• Apply communication conventions for technical reporting, including clear claims about reliability and appropriate graphical annotation.
• Evaluate responsible data sharing and equitable access in STEM projects.

Learning Objectives

• Explain how structural adaptations help organisms carry out life processes such as respiration, protection, and water regulation
• Compare behavioral and morphological adaptations and describe how each can improve survival or reproduction
• Identify trade-offs in adaptations and explain how improving one function can limit another

Learning Objectives

• Use test results or validated models as evidence to judge how well a design meets criteria.
• Interpret evaluation results by considering real-world conditions and possible failure modes.
• Compare competing design options by weighing tradeoffs between different criteria.

Learning Objectives

• Understand what habitat fragmentation is and how it affects ecosystems.
• Identify the consequences of habitat fragmentation on biodiversity and species survival.
• Explain the concept of landscape connectivity and its importance in ecosystems.+ Show more

Learning Objectives

• Define what a scientific model is
• Identify the purpose of scientific models
• Explain the limitations and assumptions within models+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Understand how energy transfer causes changes in states of matter.
• Identify the processes of melting, freezing, evaporation, and condensation.
• Explain particle behavior during phase changes using the particle model.+ Show more

Learning Objectives

• Identify key structural features of organisms that aid in survival
• Describe how physical traits are adapted to specific habitats
• Explain how natural selection influences adaptations+ Show more

Learning Objectives

• Explain how the circulatory, respiratory, digestive, and nervous systems interact to support homeostasis in multicellular animals
• Describe how oxygen and nutrients move through organ systems and how feedback helps maintain stable internal conditions
• Compare organ-system interactions in animals (human mammalian systems) and relate them to plant vascular transport

Learning Objectives

• Understand the basic concepts of ecological modeling
• Identify different types of models used in ecology
• Recognize the applications and limitations of ecological models+ Show more

Learning Objectives

• Explain ecological restoration principles, including reference conditions, active vs. passive approaches, and evidence-based goals
• Describe how species selection, genetic considerations, and habitat connectivity influence restoration planning
• Identify trade-offs between short-term recovery and long-term resilience, and connect restoration to monitoring and adaptive management

Learning Objectives

• Describe the main processes involved in the water cycle, including evaporation, condensation, precipitation, and runoff.
• Explain how energy from the Sun drives evaporation and how gravity influences precipitation and runoff.
• Identify the pathways water takes through Earth's systems and understand their connections to weather and climate.

Learning Objectives

• Understand the importance of clear criteria for success in designing solutions.
• Identify measurable and observable goals in a design problem.
• Learn how trade-offs affect meeting different design criteria.+ Show more

Learning Objectives

• Explain how surface albedo and emissivity affect radiative heat exchange between structures and the environment.
• Describe how color and surface coatings (e.g., reflective roofs, low-emissivity glazing) change net radiative heat flux.
• Predict how diurnal and seasonal changes in irradiance influence the effectiveness of radiative heat strategies.

Learning Objectives

• Explain how standards help keep technology safe and reliable.
• Use key vocabulary from an informational passage (e.g., standard, inspection, documentation, load rating).
• Identify evidence from a reading passage to support answers about safety practices.

Learning Objectives

• Describe the major parts of the cell membrane and how they are arranged.
• Explain how a phospholipid bilayer and membrane proteins create selective permeability.
• Connect the roles of cholesterol and carbohydrates to membrane stability and cell recognition.+ Show more

Learning Objectives

• Describe what happens to temperature during solid warming, melting, liquid warming, and boiling.
• Explain how particle arrangement and energy use differ during phase changes compared to temperature increases.
• Interpret features of a heating curve (rising segments vs. plateaus) using the particle model.

Learning Objectives

• Understand the process of photosynthesis and its significance
• Identify the key components involved in photosynthesis
• Recognize the importance of light and water for plant growth

Learning Objectives

• Identify common observable indicators of chemical reactions, such as gas production, heat change, colour shifts, and precipitate formation.
• Describe reaction observations using clear scientific language and connect observations to possible reaction pathways and mass changes.
• Interpret qualitative evidence from real-world contexts (e.g., combustion emissions and spoilage-related gas release) to support explanations of chemical processes.

Learning Objectives

• Identify mechanical energy and its two main forms.
• Distinguish kinetic and potential energy using everyday examples.
• Explain how energy can move within a system and how some may transfer out as nonmechanical forms.

Learning Objectives

• Explain how Earth’s axial tilt and orbital motion cause seasonal changes in sunlight and day length.
• Describe how Earth’s daily rotation creates predictable patterns in the apparent movement of the Sun.
• Connect seasonal and daily sunlight patterns to calendar conventions and time measurement.

Learning Objectives

• Explain how torque depends on force and lever arm distance
• Identify how moving the fulcrum changes which direction and size of force is produced
• Use simple arithmetic to relate input force to output force in lever situations

Learning Objectives

• Explain how insulation reduces heat transfer through conduction, convection, and radiation.
• Compare common insulating materials (fibreglass, foam, reflective foils) using ideas like trapped air and thermal resistance.
• Describe how air leakage, thermal bridging, and continuous insulation affect overall heat loss in buildings.

Learning Objectives

• Understand how energy changes occur during chemical reactions, including exothermic and endothermic processes.
• Explain how energy transfer relates to bond breaking and formation in chemical reactions.
• Distinguish between chemical and physical changes using energy evidence and other signs.+ Show more

Learning Objectives

• Understand the concept of chemical properties and how they describe behavior during chemical changes.
• Identify observable indicators of chemical reactions such as gas evolution, color change, and precipitate formation.
• Compare chemical stability of noble metals with reactive non-metals.+ Show more

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Explain how unbalanced forces cause changes in motion.
• Use free-body diagrams to visualize forces.+ Show more