Grade 7 Science Worksheets

Learning Objectives

• Explain how physical properties (size, solubility, magnetism, boiling point) are used to separate mixtures without changing substances.
• Identify suitable separation methods for common mixtures and justify choices using observable evidence.
• Describe how separation efficiency can be evaluated by comparing starting materials to recovered products.

Learning Objectives

• Define solution concentration as the amount of solute relative to solvent and explain why concentration matters.
• Use and interpret concentration measures such as mass percent and grams per litre.
• Predict how changing concentration can affect physical properties like freezing point and boiling point.

Learning Objectives

• Explain how conduction transfers kinetic energy through solids and across interfaces
• Compare thermal conductivity of common materials and relate it to temperature gradients
• Use ideas of conductivity coefficients and contact resistance to predict heat-flow behavior+ Show more

Learning Objectives

• Explain how energy transforms between forms while total energy is conserved.
• Identify examples of mechanical, chemical, electrical, and thermal energy in real systems.
• Describe energy pathways using a cause-and-effect reasoning approach.+ Show more

Learning Objectives

• Explain specific heat capacity as the energy needed to raise the temperature of 1 gram of a substance by 1°C
• Use Q = m c ΔT to calculate thermal energy changes using correct units
• Interpret temperature change (ΔT) and relate sign of ΔT to heating or cooling

Learning Objectives

• Explain how radiant transfer moves energy using electromagnetic waves without direct contact.
• Describe how solar intensity, absorptivity, and emissivity affect net radiative heating or cooling.
• Compare how different surfaces (e.g., roofs, vegetation, and snow) influence daytime warming and nocturnal cooling.

Learning Objectives

• Explain how thermal resistance (R-value) affects heat flow between indoor and outdoor environments.
• Identify how material thickness and construction details influence insulation effectiveness and comfort.
• Analyze how thermal bridges and design choices impact energy efficiency and lifecycle energy use.

Learning Objectives

• Explain how conduction, convection, radiation, and storage/thermal mass affect energy budgets in a system.
• Use conservation principles to connect net heat gain to energy performance in passive solar and district energy contexts.
• Interpret and compare metrics such as required fuel energy and predicted temperature response using integrated reasoning.+ Show more

Learning Objectives

• Explain how thermal conductivity, specific heat capacity, density, and phase change affect heat transfer in materials.
• Compare common Alberta construction materials using their thermal and moisture-related properties.
• Describe how porosity and moisture content change effective thermal conductivity in building assemblies.

Learning Objectives

• Use quantitative relationships to calculate heat energy changes using specific heat, mass, and temperature change.
• Convert between joules (J) and kilojoules (kJ) and check that units make sense in thermal calculations.
• Interpret simple energy budgets and temperature-change information to compare heat flow scenarios.

Learning Objectives

• Explain how solar input, albedo, and phase changes drive seasonal energy budgets.
• Describe how stored energy is released through radiative, sensible, and latent heat pathways.
• Relate seasonal thermal cycling to soil freeze–thaw, snowpack insulation, and lake stratification.

Learning Objectives

• Explain how system models represent energy inputs, useful outputs, and waste heat
• Use energy flow diagrams to trace energy transformations and account for conservation of energy
• Identify dominant loss mechanisms by comparing useful output to total input+ Show more

Learning Objectives

• Distinguish between temperature and heat using the particle kinetic-energy model.
• Describe thermal transfer using conduction, convection, and radiation.
• Apply thermal-transfer ideas to explain real-world examples in Alberta’s climates.

Learning Objectives

• Define carrying capacity and explain why it limits population growth in ecosystems
• Identify limiting factors and describe how they affect population size over time
• Use evidence from scenarios to predict population changes when a habitat is below or above carrying capacity

Learning Objectives

• Describe how population size changes using births, deaths, immigration, and emigration.
• Explain how population density and distribution affect competition and mating.
• Use population growth concepts to interpret short-term fluctuations and long-term trends.

Learning Objectives

• Explain how active transport moves substances against concentration gradients using cellular energy
• Identify roles of membrane proteins (pumps) and ATP in active transport
• Describe how vesicular transport (endocytosis and exocytosis) supports cell functions

Learning Objectives

• Explain how orogeny forms mountains through crustal shortening, thickening, and uplift at convergent plate boundaries.
• Describe how different plate interactions (continental collision and subduction) produce distinct mountain-belt features.
• Connect erosion and isostatic adjustment to how mountain landscapes change over time.

Learning Objectives

• Explain how diffusion and osmosis move substances across a selectively permeable cell membrane
• Describe how active transport uses energy to move molecules against concentration gradients
• Identify roles of membrane proteins in selective transport and maintaining ion balance

Learning Objectives

• Explain how gravity provides the centripetal force that keeps objects moving in curved orbital paths
• Compare circular and elliptical orbits using the idea of continuously changing direction
• Describe how inertia and gravity work together to keep planets bound to the Sun or orbiting companions+ Show more

Learning Objectives

• Explain how limited resources (food, water, space, and shelter) affect population survival and reproduction.
• Describe relationships between environmental conditions and changes in ecosystem population sizes.
• Use evidence from a text or scenario to identify main ideas and apply resource-availability concepts.

Learning Objectives

• Explain how the particle model describes matter as atoms and molecules in constant motion
• Use the particle model to describe what happens during chemical changes (bond breaking and forming)
• Predict why total mass is conserved in a closed system during chemical reactions

Learning Objectives

• Understand the principles of momentum conservation during collisions.
• Differentiate between elastic and inelastic collisions.
• Analyze how mass and velocity influence momentum transfer in impacts.+ Show more

Learning Objectives

• Understand the key factors that influence climate change over time.
• Identify how natural and human activities affect climate patterns.
• Analyze cause-and-effect relationships related to climate drivers.+ Show more

Learning Objectives

• Understand how abiotic factors like temperature, moisture, light, soil nutrients, and pH affect species distribution and population.
• Identify how seasonal and daily fluctuations create stress or opportunities for populations.
• Explain the interaction between abiotic conditions and biotic pressures in determining population resilience and carrying capacity.+ Show more

Learning Objectives

• Understand the concept of carrying capacity and its importance in ecosystems.
• Identify limiting factors that affect population growth.
• Explain how populations regulate themselves when exceeding carrying capacity.+ Show more

Learning Objectives

• Understand key conservation methods such as habitat protection, restoration, and species management.
• Identify different adaptive approaches to ecosystem conservation.
• Analyze how human activities impact biodiversity and ecosystems.+ Show more

Learning Objectives

• Understand how disturbances influence ecosystems and habitats.
• Identify different types of disturbances and their effects on species.
• Analyze cause-and-effect relationships related to environmental disturbances.+ Show more

Learning Objectives

• Understand the physical and biological components of an ecosystem.
• Describe how biotic and abiotic factors interact within an ecosystem.
• Explain the flow of energy through living organisms in an ecosystem.+ Show more

Learning Objectives

• Describe the different types of population interactions such as competition, predation, and mutualism.
• Explain how resource competition affects community composition and population dynamics.
• Identify mechanisms like niche partitioning and habitat differentiation that allow species to coexist.+ Show more

Learning Objectives

• Understand the differences between exponential and logistic population growth models.
• Identify factors affecting population dynamics such as density-dependent and density-independent factors.
• Interpret how models predict changes in populations over time in various ecosystems.+ Show more

Learning Objectives

• Understand the mechanisms of active transport and how it differs from passive diffusion.
• Identify the roles of cellular energy and membrane proteins in transporting molecules.
• Explain the function of the sodium-potassium pump in maintaining cell stability.+ Show more

Learning Objectives

• Explain how receptor proteins and signaling molecules enable cells to communicate.
• Describe the function of gap junctions and plasmodesmata in cell communication.
• Identify different mechanisms of signal regulation, including feedback and amplification.+ Show more

Learning Objectives

• Understand how cells organize into tissues, organs, and systems in multicellular organisms.
• Identify different tissue types and their functions.
• Explain the role of tissues in supporting bodily functions such as movement and protection.+ Show more

Learning Objectives

• Understand the function of chloroplasts in photosynthesis.
• Identify the processes that occur within the chloroplast.
• Explain how chloroplasts store and interact with other cell organelles.+ Show more

Learning Objectives

• Understand the processes of diffusion and osmosis as passive transport mechanisms.
• Identify factors that influence the rate of diffusion and osmosis.
• Explain how diffusion and osmosis affect living cells and organisms.+ Show more

Learning Objectives

• Understand how cellular structures and transport processes work together to maintain homeostasis.
• Identify key mechanisms such as transport proteins, membrane pumps, and hormone signaling.
• Explain how various organ systems coordinate to regulate nutrient levels, ions, and water balance.+ Show more

Learning Objectives

• Describe passive and active mechanisms of membrane transport.
• Explain how diffusion and osmosis differ.
• Identify the role of membrane proteins in substance passage.+ Show more

Learning Objectives

• Understand the role of the nucleus in a cell's activities.
• Identify components of the nucleus such as chromosomes, nuclear envelope, and nuclear pores.
• Describe how the nucleus controls cell growth, development, and protein synthesis.+ Show more

Learning Objectives

• Describe the functions of major organ systems involved in circulation, respiration, and digestion.
• Explain how tissues and organs coordinate within organ systems to maintain life processes.
• Identify specialized structures like capillaries and alveoli that increase exchange efficiency.+ Show more

Learning Objectives

• Understand the structural differences among specialized cells and their roles.
• Describe how morphological differences enable cells to perform specific functions.
• Identify examples of cell specialization in tissues and organs.+ Show more

Learning Objectives

• Understand how surface-area-to-volume ratio influences cell size and function.
• Identify adaptations like membrane folding and microvilli that increase cell exchange surfaces.
• Explain how multicellular organisms develop specialized structures to overcome cell size limitations.+ Show more

Learning Objectives

• Identify the three principal boundary types and their characteristic landforms.
• Explain how divergent boundaries create mid-ocean ridges and rift valleys.
• Describe the processes that occur at convergent boundaries, including subduction and mountain formation.+ Show more

Learning Objectives

• Understand how deposition shapes different landforms such as deltas, alluvial fans, and dunes.
• Identify depositional features and processes based on sediment characteristics.
• Explain the formation of layered strata, cross-bedding, and graded beds in depositional environments.+ Show more

Learning Objectives

• Understand the key processes that shape landscapes over time.
• Identify the roles of tectonic uplift, volcanic activity, and surface erosion.
• Describe how climate influences weathering and material transport.+ Show more

Learning Objectives

• Define metamorphism and describe how it alters rocks without melting.
• Differentiate between contact and regional metamorphism.
• Identify key mineral assemblages and textures associated with metamorphic rocks.+ Show more

Learning Objectives

• Understand the processes involved in orogeny and mountain formation.
• Identify key features and landforms associated with mountain belts.
• Explain how crustal deformation and surface processes shape mountain architecture.+ Show more

Learning Objectives

• Explain the processes involved in the rock cycle and how they are interconnected.
• Identify key forces such as tectonics and surface agents that influence rock transformation.
• Describe how surface processes like erosion and weathering contribute to sedimentary recycling.+ Show more

Learning Objectives

• Understand the stages involved in the formation of sedimentary rocks.
• Identify different types of weathering and depositional environments.
• Describe how sediments are transported and transformed into rock.+ Show more