Grade 7 Science Worksheets

Learning Objectives

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

Learning Objectives

• Explain recoil and thrust using action-reaction (Newton’s third law) forces.
• Compare how interaction forces are equal and opposite while accelerations can differ because of mass.
• Predict motion changes by reasoning about momentum and force pairs during interactions.

Learning Objectives

• Understand the concept of friction and how it affects motion
• Identify different types of friction in everyday situations
• Explain how surface texture influences friction+ Show more

Learning Objectives

• Understand the concept of biodiversity and why it matters in ecosystems
• Identify and interpret key biodiversity metrics such as species richness and evenness
• Explain how diversity indices reflect community structure across habitats+ Show more

Learning Objectives

• Identify the key phases shown on a temperature–time heating curve for a pure substance
• Explain why temperature stays constant during melting and boiling plateaus
• Connect energy transfer to particle arrangement changes during phase changes+ Show more

Learning Objectives

• Explain the production pathways of common synthetic materials from natural resources.
• Identify key process steps such as polymerization and refining that alter chemical composition and functional performance.
• Analyze trade-offs involved in material choices, including durability, recyclability, and environmental impact.+ Show more

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Describe how unbalanced forces cause changes in motion.
• Explain the relationship between net force, mass, and acceleration using diagrams and reasoning.+ Show more

Learning Objectives

• Explain how increased temperature changes particle motion and spacing in solids, liquids, and gases.
• Describe thermal expansion and contraction using the particle model.
• Predict how temperature changes can affect the size of materials and pressure in confined gases.

Learning Objectives

• Understand the principles of relative dating including superposition, original horizontality, and cross-cutting relationships.
• Identify and interpret different types of geological markers such as fossils, unconformities, and intrusive contacts for correlating rock layers.
• Analyze stratigraphic data to determine the sequence of Earth’s geological events.

Learning Objectives

• Describe how abiotic drivers such as temperature, light, soil composition, moisture, and pH create environmental templates.
• Explain how microhabitats within ponds, forests, and meadows can differ in abiotic conditions.
• Connect abiotic variability to organismal tolerance ranges and species occurrence.

Learning Objectives

• Understand how human activities such as deforestation, urban expansion, and fossil-fuel use impact the environment.
• Identify scientific tools and methods used to monitor environmental changes caused by humans.
• Evaluate mitigation strategies to reduce negative human impacts on ecosystems.+ Show more

Learning Objectives

• Explain how energy flows through an ecosystem using producers, consumers, and decomposers
• Describe how matter cycles in ecosystems and why energy transfer is not 100% efficient
• Use evidence from a text to identify relationships among organisms in a food web

Learning Objectives

• Describe how natural resources are transformed into synthetic materials through production pathways including feedstocks, polymerization, and refining steps.
• Identify examples such as polyethylene, PET, nylon, and metals derived from ores, and explain their manufacturing processes.
• Discuss the advantages and disadvantages, including durability, recyclability, and environmental impacts, of various synthetic materials.+ Show more

Learning Objectives

• Understand the principles of momentum and how it is conserved in collisions.
• Differentiate between elastic and inelastic collisions based on energy and momentum transfer.
• Analyze how mass and velocity affect momentum before and after collisions.+ Show more

Learning Objectives

• Explain the different types of long-range forces: gravitational, electric, and magnetic.
• Describe how gravity acts universally and how electromagnetic forces can be attractive or repulsive.
• Relate gravitational attraction to mass and distance qualitatively.+ Show more

Learning Objectives

• Define and characterize static and dynamic equilibrium in physical systems.
• Identify forces such as gravity, tension, and normal force involved in equilibrium scenarios.
• Use vector principles to analyze whether forces balance in different situations.+ Show more

Learning Objectives

• Identify observable indicators of chemical reactions such as gas production, heat exchange, colour changes, and precipitate formation.
• Understand how these observations provide qualitative evidence for different reaction pathways.
• Connect descriptive patterns in observations to underlying particle interactions and reaction processes.+ Show more

Learning Objectives

• Understand the fundamental principles of convection currents in atmospheric and oceanic systems.
• Identify the factors that influence convection in different environments.
• Analyze the effects of convection currents on weather patterns and climate.+ Show more

Learning Objectives

• Identify the main components of a building envelope
• Explain the functions of walls, roofs, windows, and foundations in thermal performance
• Understand concepts like thermal bridging, air infiltration, and insulation placement+ Show more

Learning Objectives

• Identify evidence that a chemical change has occurred based on observable observations.
• Distinguish chemical changes from physical changes using particle-level reasoning.
• Explain how bond changes and energy transfer lead to new substances.

Learning Objectives

• Identify the main parts of levers
• Classify levers into first, second, and third classes
• Understand how pulleys change direction of force+ Show more

Learning Objectives

• Identify major features of freshwater ecosystems
• Understand stratification, oxygen gradients, and light penetration in ponds and lakes
• Explain how abiotic gradients influence community composition and vertical zonation+ Show more

Learning Objectives

• Understand how building design strategies influence thermal performance in Alberta's climate zones.
• Identify specific design components such as passive solar gains, thermal barriers, and ventilation.
• Evaluate case examples illustrating trade-offs between materials, energy, and comfort.+ Show more

Learning Objectives

• Understand how different types of pollutants affect terrestrial and aquatic ecosystems.
• Identify sources of nutrient runoff, hydrocarbons, and airborne deposition in Alberta.
• Explain pathways of pollutant exposure and bioaccumulation risks.+ Show more

Learning Objectives

• Understand the concept of optimization and how criteria guide decision-making.
• Identify different measures used in optimization such as strength-to-weight ratio, cost, and energy efficiency.
• Explain how tradeoffs are weighed in optimization processes.+ Show more

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 how to evaluate competing design options by mapping tradeoffs among criteria and constraints.
• Identify how improvements in one feature can negatively impact another feature in design choices.
• Analyze tradeoff scenarios considering safety, efficiency, and feasibility.+ 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

• Understand how Earth's tilt affects the Sun's apparent position and daylight hours during different seasons.
• Explain the reasons for opposite seasons in the Northern and Southern hemispheres.
• Describe how the distribution of solar energy varies throughout the year due to Earth's tilt and orbit.+ Show more

Learning Objectives

• Understand different options for freshwater management and their tradeoffs.
• Evaluate constraints and environmental impacts of water system designs.
• Identify solutions like surface water storage, groundwater recharge, water recycling, and desalination.+ Show more

Learning Objectives

• Understand how groundwater is stored and moves beneath Earth's surface.
• Identify factors affecting groundwater recharge and discharge.
• Explain the impacts of groundwater decline on surface water systems and water quality.+ Show more

Learning Objectives

• Understand how environmental constraints can affect design choices.
• Identify potential social and environmental impacts of engineering solutions.
• Analyze the balance between technical feasibility and responsible decision-making.+ 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

• Describe how energy flows through an ecosystem from producers to consumers.
• Identify the roles of producers, consumers, and decomposers in matter and energy transfer.
• Explain why energy decreases at higher trophic levels in food chains and webs.+ Show more

Learning Objectives

• Understand how organisms function as systems with internal structures supporting specific roles.
• Identify different body parts involved in processing inputs like food, oxygen, and water.
• Explain how component structures and their functions align to support life processes.

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 to interpret distance-time graphs.
• Identify the meaning of different slopes in graphs.
• Learn how to determine average and instantaneous speed from graphs.+ Show more

Learning Objectives

• Define static equilibrium and identify its characteristics.
• Analyze real-world structures to recognize balanced forces.
• Explain the importance of equilibrium in safety and design of structures.

Learning Objectives

• Identify examples of kinetic and potential energy in everyday scenarios
• Understand how elevation, mass, and speed influence mechanical energy
• Analyze the conversion between potential and kinetic energy+ Show more

Learning Objectives

• Understand the roles of supports, foundations, and load paths in structures
• Identify how different forces like compression, tension, and shear affect structural components
• Evaluate the properties of construction materials such as stiffness, strength, and durability

Learning Objectives

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

Learning Objectives

• Understand the different material properties that influence construction choices.
• Compare the strengths, stiffness, and environmental resilience of timber, steel, and concrete.
• Recognize how material behavior under stress affects long-term performance in cold climates.

Learning Objectives

• Identify how distance changes over time on a distance–time graph
• Interpret whether motion speeds up, slows down, or stays constant by reading slope
• Use graph features to explain meaning of increasing, flattening, and decreasing sections

Learning Objectives

• Identify observable signs that indicate a chemical reaction has taken place.
• Understand examples of chemical reactions such as rusting, combustion, and neutralization.
• Explain the relationship between observable reaction indicators and changes in composition.+ Show more

Learning Objectives

• Explain how engineering designs respond to intended function and real-world constraints.
• Describe how loads and forces distribute through structural and mechanical systems (e.g., bridges and pulleys).
• Identify how circuits transfer electrical energy and how design choices affect safety and reliability.+ Show more

Learning Objectives

• Identify the three primary modes of thermal energy transfer: conduction, convection, and radiation.
• Describe the molecular mechanisms underlying each mode of energy transfer.
• Compare the typical media and rates at which conduction, convection, and radiation transfer heat.+ 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 how to construct evidence-based arguments using claims, evidence, and reasoning.
• Analyze graphical representations and quantitative data to support or refute hypotheses.
• Evaluate alternative models and recognize the limits of inference in argumentation.+ Show more