Grade 7 Science Worksheets

Learning Objectives

• Understand the principles of fair testing in scientific experiments.
• Identify appropriate measurement tools and units for testing variables.
• Explain how consistent measurement allows valid comparisons of results.+ Show more

Learning Objectives

• Understand how simple systems and mechanisms transfer motion and force.
• Identify components like gears, pulleys, levers, and linkages in mechanisms.
• Explain how connecting components affect performance, such as gear ratios.+ Show more

Learning Objectives

• Understand how patterns and variability influence data interpretation.
• Identify sources of error and their impact on measurement reliability.
• Evaluate the quality of data based on measurement consistency.+ Show more

Learning Objectives

• Understand the concept of design criteria and how they guide project development.
• Identify measurable and observable criteria in design solutions.
• Analyze trade-offs when meeting multiple design constraints.+ Show more

Learning Objectives

• Describe how igneous, sedimentary, and metamorphic rocks can transform through the rock cycle.
• Explain how heat, pressure, and plate tectonics drive key processes such as melting, crystallization, burial, and metamorphism.
• Trace how weathering and erosion move rock materials and form sedimentary layers over time.+ Show more

Learning Objectives

• Analyze test data and refine parameters to improve design solutions.
• Apply quantitative comparisons to assess performance changes.
• Use evidence-based justification for iterative modifications within constraints.+ Show more

Learning Objectives

• Understand how to define design problems with clear criteria and measurable constraints.
• Learn to translate societal and environmental needs into quantitative targets.
• Identify real-world examples of specifying success measures and constraints in product design.+ Show more

Learning Objectives

• Understand how physical and chemical properties can be used to predict chemical reactions.
• Identify properties such as reactivity with oxygen, acidity, flammability, and solubility.
• Learn to anticipate products and energy changes based on known property trends.+ Show more

Learning Objectives

• Interpret temperature and CO2 records related to climate change.
• Identify evidence indicating climate change drivers.
• Understand how land-use change affects climate.+ Show more

Learning Objectives

• Explain the process of conduction and how particles transfer kinetic energy within solids.
• Identify materials with high and low thermal conductivity and their applications in infrastructure.
• Understand the concepts of conductivity coefficients and contact resistance in heat transfer.+ Show more

Learning Objectives

• Explain how DNA forms genes and how genes influence observable traits.
• Describe how DNA is organized into chromosomes inside cells.
• Model how chromosomes are segregated during gamete formation and recombined at fertilization.

Learning Objectives

• Understand basic population growth models, including exponential and logistic growth.
• Identify factors that limit population size such as food availability, predation, disease, and abiotic stresses.
• Distinguish between density-dependent and density-independent factors affecting populations.+ Show more

Learning Objectives

• Understand the concept of trophic efficiency and its role in energy transfer.
• Identify factors that lead to energy loss at each trophic level.
• Interpret energy pyramids and their significance in ecosystems.+ Show more

Learning Objectives

• Understand the different types of population interactions such as competition, predation, and mutualism.
• Identify how resource partitioning, habitat differentiation, and temporal separation allow species to coexist.
• Analyze the impact of interactions on community stability and diversity.+ Show more

Learning Objectives

• Understand basic population growth models, including exponential and logistic growth.
• Identify and distinguish between limiting factors affecting populations.
• Differentiate between density-dependent and density-independent influences on populations.+ Show more

Learning Objectives

• Understand the different types of natural hazards such as earthquakes, volcanoes, hurricanes, floods, and tsunamis.
• Interpret historical and instrumental data to identify patterns of frequency and magnitude.
• Assess geographic distribution and recurrence intervals of various hazards.+ Show more

Learning Objectives

• Understand the difference between homogeneous and heterogeneous mixtures.
• Describe common physical separation methods such as filtration, distillation, chromatography, and magnetic separation.
• Relate properties like solubility, particle size, and boiling point differences to the choice of separation method.+ Show more

Learning Objectives

• Explain how structural and behavioral adaptations link form to function in living things.
• Identify examples of adaptations that support life processes such as gas exchange, protection, and water regulation.
• Describe how trade-offs can constrain the performance of traits in different conditions.

Learning Objectives

• Understand how microscopic particle motion relates to temperature, thermal energy, and pressure.
• Describe how molecular speed distribution explains temperature differences in air masses, especially in Alberta contexts.
• Explain the significance of microscopic particle behaviors in macroscopic heat transfer and material properties.

Learning Objectives

• Understand how human activities affect the environment through deforestation, urban expansion, and pollution.
• Use scientific indicators and data to monitor environmental changes caused by human impacts.
• Identify mitigation strategies to reduce negative human effects on ecosystems.+ Show more

Learning Objectives

• Explain how meiosis creates genetic variation through independent assortment and random fertilization.
• Identify key events in meiosis that lead to differences among offspring.
• Use cause-and-effect reasoning to connect chromosome behavior in meiosis to traits in populations.

Learning Objectives

• Understand the thermal properties of common building materials.
• Compare the thermal resistance and structural considerations of fiberglass, spray foam, wood framing, and masonry.
• Identify how porosity, moisture content, and layer configurations affect conductivity.+ Show more

Learning Objectives

• Differentiate innovation from invention using historical examples and causes of change over time.
• Explain how diffusion and adaptation spread technological ideas across contexts and lead to new versions.
• Describe how empirical observation and design choices work together to produce incremental improvements.+ Show more

Learning Objectives

• Understand how integrated systems analyze force, machine function, and structural evaluation.
• Compare alternative designs based on criteria such as mechanical advantage, material choice, and safety.
• Synthesize motion data, mechanical calculations, and structural assessments to support design choices.+ Show more

Learning Objectives

• Understand the concept of population growth and carrying capacity.
• Analyze graphical data representing population changes over time.
• Identify factors that influence population size, such as resources and competition.+ Show more

Learning Objectives

• Describe how energy is transferred through trophic levels in food webs.
• Explain the roles of producers, consumers, and decomposers in ecosystems.
• Understand photosynthesis and cellular respiration as mechanisms for energy capture and release.+ Show more

Learning Objectives

• Understand the fundamental processes governing atmospheric circulation and energy transfer.
• Identify the roles of pressure gradients, convection, and large-scale circulation patterns like the Hadley cell.
• Connect atmospheric phenomena such as fronts, jet streams, and greenhouse gases to climate variability.+ Show more

Learning Objectives

• Identify key signs indicating a physical change has occurred.
• Differentiate between physical and chemical changes based on observable indicators.
• Explain particle behavior during physical changes using real-world examples.+ Show more

Learning Objectives

• Describe how energy flows through food chains, webs, and trophic pyramids in ecosystems.
• Explain the cycling of matter, such as carbon and water, within ecosystems.
• Analyze the impact of environmental changes on community composition and ecosystem processes.+ Show more

Learning Objectives

• Understand the concept of thermal conductivity.
• Identify materials with high and low heat transfer properties.
• Explain how material structure affects heat conduction.+ Show more

Learning Objectives

• Explain how producers capture energy through photosynthesis and why they form the base of energy pyramids.
• Differentiate between primary, secondary, and tertiary consumers based on what they eat.
• Describe why energy transfer between trophic levels is inefficient and how that affects population sizes.

Learning Objectives

• Describe the structure and stratification of freshwater systems such as ponds and lakes.
• Explain how abiotic gradients like oxygen levels, light penetration, and temperature influence community composition and species distribution.
• Analyze seasonal phenomena such as thermal turnover and their effects on dissolved oxygen and nutrient mixing.

Learning Objectives

• Understand the concepts of density and tensile strength.
• Compare different construction materials based on their density and tensile strength.
• Recognize how these properties influence material selection in construction.

Learning Objectives

• Describe different types of phase changes and how energy transfer affects them.
• Identify the effects of temperature and pressure on phase transitions.
• Explain the concepts of latent heat and particle arrangement during phase changes.+ Show more

Learning Objectives

• Understand how resource availability influences population growth and decline.
• Interpret logistic growth curves and concepts of carrying capacity.
• Analyze data on population responses to limited resources such as food, water, and shelter.+ Show more

Learning Objectives

• Explain how heat is transferred through convection in fluids.
• Identify real-world examples of natural and forced convection.
• Describe the roles of buoyancy forces and boundary layers in convection flow.+ Show more

Learning Objectives

• Explain how conservation of mass is used to create mass budgets in closed or near-closed systems
• Connect conservation of mass to reaction stoichiometry and balanced chemical equations
• Use environmental mass balances to interpret measured versus expected masses in real situations

Learning Objectives

• Understand the roles of biotic and abiotic components in an ecosystem.
• Identify the flow of energy through producers and consumers.
• Recognize the interactions between living organisms and their environment.+ Show more

Learning Objectives

• Identify observable evidence that a chemical change has occurred (color change, gas production, precipitate formation, temperature/energy change, odor change).
• Explain chemical change at the particle level as bond breaking and bond forming, not just particle rearrangement.
• Use evidence from real-world examples (rusting iron, combustion of natural gas) to support claims about chemical vs. physical changes.

Learning Objectives

• Define solution concentration and describe how solute and solvent relate to it
• Identify and use common concentration measures such as mass percent and grams per litre
• Explain how concentration affects physical properties like boiling point elevation and freezing point depression+ Show more

Learning Objectives

• Explain how solute/solvent nature affects solubility and dissolution
• Describe how temperature, pressure, and agitation influence the amount and rate of dissolving
• Use particle size and surface area ideas to predict how quickly solids dissolve

Learning Objectives

• Differentiate between pure substances, mixtures, and solutions using measurable properties and uniformity.
• Explain why pure substances have characteristic melting points while mixtures do not.
• Describe solutions as homogeneous mixtures in which solute particles are dispersed at the molecular scale.+ Show more

Learning Objectives

• Understand how energy transfers occur during an object's change in motion
• Identify examples of motion energy being converted into thermal and sound energy
• Recognize scenarios involving energy transfer and redistribution during collisions and bouncing+ Show more

Learning Objectives

• Identify the main organelles in plant and animal cells and explain their functions.
• Connect cell structure to its role in processes such as transport, synthesis, and compartmentalization.
• Compare eukaryotic and prokaryotic cells using examples like leaf mesophyll and muscle cells.+ Show more

Learning Objectives

• Understand the concept of abiotic factors such as temperature, light, soil, moisture, and pH.
• Analyze how temperature gradients influence species distribution and ecosystem structure.
• Identify how abiotic variability creates microhabitats within different environments.+ Show more

Learning Objectives

• Understand the process and factors that contribute to technological innovation over time.
• Identify examples of inventions and innovations across different historical periods.
• Analyze causes, diffusion, and modifications that lead to technological advancements.+ Show more

Learning Objectives

• Understand the relationship between living organisms and non-living environmental factors.
• Identify cause-and-effect links in ecosystem components across Alberta landscapes.
• Describe how resource access, shelter, and survival are influenced by environmental interactions.+ Show more

Learning Objectives

• Define carrying capacity and explain its significance in ecosystems.
• Identify limiting factors that regulate population growth.
• Describe how populations adjust when exceeding the environment's carrying capacity.+ Show more