Grade 7 Worksheets

Learning Objectives

• Explain how the atmosphere, hydrosphere, geosphere, and biosphere interact as Earth’s systems
• Describe how matter and energy move between spheres through processes like evaporation, precipitation, weathering, and transpiration
• Predict how changes in one sphere can cause effects in other spheres using cause-and-effect reasoning+ Show more

Learning Objectives

• Identify observable signs that indicate a chemical reaction has occurred
• Differentiate chemical change evidence from physical change evidence
• Connect particle rearrangement to macroscopic observations such as gas, precipitates, and color change

Learning Objectives

• Explain how the geosphere, hydrosphere, atmosphere, and biosphere interact through the movement of matter and energy
• Use examples (erosion, precipitation, evaporation, and transpiration) to describe cause-and-effect links between Earth systems
• Identify how changes in one Earth system can lead to changes in another over time

Learning Objectives

• Explain how competition affects growth and survival in a community
• Describe how predation transfers energy and influences prey and predator populations
• Differentiate mutualism, commensalism, and parasitism as types of symbiosis

Learning Objectives

• Understand the principles of load distribution in truss structures.
• Identify and analyze internal forces in truss members using the method of joints.
• Evaluate the efficiency and redundancy of different truss designs for regional applications.+ Show more

Learning Objectives

• Understand various long-term ecological monitoring techniques used in ecology.
• Identify key considerations for designing effective monitoring programs.
• Describe how data collection methods help detect ecological trends over time.+ Show more

Learning Objectives

• Explain how predators, prey, and competitors affect survival and reproduction rates in populations
• Describe how mutualism can increase resource availability for both partners
• Use population trends to connect biotic interactions to changes in population size over time

Learning Objectives

• Explain how infiltration and aquifers contribute to groundwater storage in the water cycle
• Describe how hydraulic pressure differences and gravity influence groundwater movement
• Identify how recharge and pumping affect groundwater levels, baseflow, and water availability+ Show more

Learning Objectives

• Understand the structure and function of different specialized cells in the human body and plants.
• Identify morphological features that enable cells to perform their specific roles efficiently.
• Explain how cellular specialization contributes to the overall functioning of tissues and organs.+ Show more

Learning Objectives

• Define and identify physical properties such as density, melting point, boiling point, color, hardness, solubility, and electrical conductivity.
• Explain how physical properties can be used to identify and separate substances.
• Describe the concepts of density and solubility and their practical applications in material identification.+ Show more

Learning Objectives

• Understand the difference between closed and open systems in terms of matter transfer.
• Explain how mass is conserved in a closed system during reactions.
• Identify scenarios where systems are open versus closed and interpret mass changes accordingly.+ Show more

Learning Objectives

• Describe how the water cycle moves water among the atmosphere, land, and oceans.
• Explain how energy from the Sun and cooling lead to evaporation and condensation.
• Model how gravity drives precipitation and how runoff and infiltration return water to Earth’s systems.

Learning Objectives

• Understand how disturbances like fire, flood, landslide, and windthrow influence ecosystems.
• Explain how disturbance frequency, intensity, and scale affect biodiversity and community dynamics.
• Identify species adapted to regular disturbance regimes and their resilience mechanisms.+ Show more

Learning Objectives

• Understand the different types of interactions between populations such as competition, predation, and mutualism.
• Identify how these interactions influence community composition and population dynamics.
• Explain concepts like resource partitioning and niche separation that allow coexistence of species.+ Show more

Learning Objectives

• Understand the different types of phase changes and what causes them.
• Describe how energy transfer affects particle arrangement during phase transitions.
• Identify the processes involved in melting, freezing, vaporization, condensation, sublimation, and deposition.+ Show more

Learning Objectives

• Explain how Earth’s tilt and yearly orbit change the Sun’s apparent height and daylight length.
• Describe how seasonal solar energy patterns differ between the Northern and Southern Hemispheres.
• Use evidence from day length changes to predict summer and winter conditions at different latitudes.

Learning Objectives

• Explain how the law of superposition helps determine the relative order of rock layers
• Use cross-cutting relationships to determine which geologic features are younger
• Interpret unconformities and faults to construct a relative geologic time sequence

Learning Objectives

• Explain how friction opposes relative motion between two touching surfaces
• Use force comparisons (applied force vs. friction) to predict whether motion speeds up, slows down, or stays constant
• Describe how surface texture affects the magnitude of friction and the outcome of motion

Learning Objectives

• Understand the principles of simple distillation and its applications.
• Identify the factors affecting vapour pressure and boiling point differences in distillation.
• Explain the limitations of simple distillation with close-boiling mixtures and azeotropes.+ Show more

Learning Objectives

• Explain the main mechanisms leading to new species formation, including reproductive isolation and geographic separation.
• Describe examples of speciation, such as adaptive radiation and plant polyploidy.
• Analyze how environmental and geological factors influence biodiversity and species evolution.+ Show more

Learning Objectives

• Describe different patterns of species interactions such as predation, competition, parasitism, mutualism, and commensalism.
• Analyze how species interactions influence community structure and resource partitioning across terrestrial and aquatic ecosystems.
• Apply concepts of food webs and trophic diagrams to illustrate the effects of species interactions on ecosystems.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the drivers of climate change including greenhouse gases, land-use change, and natural variability.
• Analyze evidence from temperature and CO₂ records to interpret climate trends.
• Assess impacts of climate change on sea level, precipitation, and agriculture.+ Show more

Learning Objectives

• Explain the role of gravity in governing orbital motion within the solar system.
• Describe the mathematical relationships between mass, distance, and orbital velocity.
• Interpret observational evidence such as orbital trajectories and Keplerian patterns.+ Show more

Learning Objectives

• Explain the process of convective heat transfer in fluids due to buoyancy and density variations.
• Identify and describe formation of circulation cells in air and water during convection.
• Relate convection phenomena to environmental examples like sea breezes, thermals, and lake overturning.+ Show more

Learning Objectives

• Identify and describe the three primary modes of thermal energy transfer: conduction, convection, and radiation.
• Differentiate between the media and mechanisms involved in each mode of transfer.
• Use everyday examples to illustrate how heat moves through solids, fluids, and surfaces.+ Show more

Learning Objectives

• Understand how temperature influences material properties such as expansion, contraction, phase changes, and viscosity.
• Explain the microscopic particle motion that causes macroscopic thermal effects.
• Identify practical applications and consequences of thermal effects in engineering and environmental contexts.+ Show more

Learning Objectives

• Explain the mechanisms of thermal insulation including trapping air, reducing conduction, limiting convection, and reflecting radiation.
• Compare common insulating materials such as fibreglass, foam, and reflective foils based on thermal resistance and practical thickness.
• Identify concepts of thermal bridging, air leakage, and the significance of continuous insulation in reducing heat loss from building envelopes.

Learning Objectives

• Describe the key chemical properties that influence material behavior.
• Identify indicators of chemical reactions such as gas evolution, color change, and precipitate formation.
• Contrast the chemical stability of noble metals with reactive non-metals.+ Show more

Learning Objectives

• Understand the principles of density differences used in separation techniques.
• Identify how buoyant force, sedimentation, and centrifugal force are exploited in separation methods.
• Recognize examples like oil-water separation and blood fractionation that utilize density-driven processes.+ Show more

Learning Objectives

• Identify the characteristics that define pure substances and mixtures.
• Differentiate between elements, compounds, and mixtures using examples.
• Understand the criteria for classifying substances as pure or impure.+ Show more

Learning Objectives

• Understand core concepts of optimization in design, including key performance metrics and constraints.
• Identify different methods such as parameter variation and sensitivity analysis used to improve design outcomes.
• Evaluate trade-offs among strength, cost, durability, and sustainability in engineering decisions.+ Show more

Learning Objectives

• Understand how differential survival and reproduction influence the prevalence of adaptive traits in populations.
• Identify the roles of variation, heritability, and selective pressures in evolution.
• Analyze examples such as pesticide resistance and camouflage to illustrate natural selection.+ Show more

Learning Objectives

• Understand how birth, death, immigration, and emigration influence population size and distribution.
• Identify regional drivers such as resource availability, water, fire, and disease that affect populations.
• Analyze how population fluctuations impact biodiversity and species status.+ Show more

Learning Objectives

• Understand microscopic particle motion and its relation to temperature and energy.
• Explain how particle speed distribution influences thermal states and pressure.
• Compare thermal energy among different materials and heat transfer mechanisms.+ Show more

Learning Objectives

• Understand the criteria used to assess the conservation status of species.
• Identify regional examples and factors influencing species vulnerability.
• Interpret evidence related to population trends, threats, and recovery potential.+ Show more

Learning Objectives

• Understand different conservation strategies and their roles in protecting ecosystems.
• Identify human impacts on biodiversity and how strategies aim to mitigate these effects.
• Recognize the importance of adaptive management in conservation efforts.+ Show more

Learning Objectives

• Explain the concepts of torque, fulcrum placement, and mechanical advantage in lever and pulley systems.
• Relate geometric principles to force multiplication in simple machines.
• Calculate input and output forces in lever and pulley configurations using basic arithmetic.+ Show more

Learning Objectives

• Define and explain the concept of equilibrium and balanced forces in structures.
• Distinguish between static and dynamic equilibrium in real-world applications.
• Identify graphical representations of force pairs and analyze their implications for safety and durability.+ Show more

Learning Objectives

• Understand how human activities introduce contaminants into terrestrial and aquatic ecosystems.
• Identify different types of pollutants relevant to Alberta environments, such as nutrient runoff, hydrocarbons, and airborne deposition.
• Describe pathways of exposure, bioaccumulation risks, and community-level ecological consequences of pollutants.+ Show more

Learning Objectives

• Understand the principles of radiant transfer and how it conveys energy through electromagnetic waves.
• Identify factors influencing radiative heating and cooling of surfaces such as landscapes, buildings, and vehicles.
• Explain the roles of surface absorptivity and emissivity in local microclimate variations.+ Show more

Learning Objectives

• Understand how geologic processes influence the distribution of minerals, energy resources, and groundwater.
• Connect plate tectonics, sedimentation, and biological activity to resource locations.
• Analyze the impacts of resource extraction and consider sustainability factors.

Learning Objectives

• Understand the principles of hazard identification in laboratory and field settings.
• Analyze the different types of risks associated with chemical, biological, electrical, and mechanical hazards.
• Apply appropriate mitigation strategies and control measures to ensure safety and compliance.+ Show more

Learning Objectives

• Describe human activities that contribute to environmental change, such as deforestation and pollution.
• Identify methods used to monitor and assess environmental impacts, including water-quality indicators and remote sensing.
• Explain mitigation strategies to reduce human impacts, such as policy measures and landscape restoration.+ Show more

Learning Objectives

• Understand the key steps in the technological design process including problem definition, criteria and constraints, brainstorming, prototyping, evaluation, and optimization.
• Recognize examples of simple design prototypes such as mechanisms, water filtration models, and electrical circuits.
• Explain the importance of documentation methods like engineering notebooks and criteria matrices in supporting design decisions.+ Show more

Learning Objectives

• Describe different species interactions that influence ecological niches.
• Identify examples of mutualism, predation, competition, and parasitism in ecosystems.
• Explain how niche partitioning reduces competition among species.+ Show more

Learning Objectives

• Describe the differences between homogeneous and heterogeneous mixtures.
• Identify examples of solutions, colloids, and suspensions based on particle size and separation behavior.
• Explain concepts like solubility, saturation, and colligative effects in mixtures.+ Show more

Learning Objectives

• Understand how engineering design responds to system purpose, constraints, and materials.
• Identify examples of engineering systems in structural, mechanical, and electrical contexts.
• Evaluate trade-offs among cost, performance, and reliability in engineering projects.+ Show more