Grade 7 Science Worksheets

Learning Objectives

• Understand the fundamental concepts of populations, including size, growth, and distribution.
• Identify and explain the impact of demographic factors such as births, deaths, immigration, and emigration.
• Describe key metrics used to measure population characteristics like density and distribution patterns.+ Show more

Learning Objectives

• Understand the definition of a population in biology.
• Identify factors that influence population size and distribution.
• Recognize key metrics used to describe populations.+ Show more

Learning Objectives

• Explain how models turn observations into representations that support predictions.
• Distinguish physical, diagrammatic, and computational models by what each shows.
• Use model assumptions to reason about expected outcomes under new conditions.

Learning Objectives

• Understand the differences between oceanic and continental crust in terms of density and composition.
• Explain how plate density influences tectonic movements such as subduction zones and divergent boundaries.
• Identify real-world examples of tectonic activity related to plate characteristics, including seismic and volcanic phenomena.

Learning Objectives

• Define and distinguish between contact and non-contact forces.
• Understand how net force influences the acceleration of objects.
• Explain real-world examples of forces such as friction and gravity.+ Show more

Learning Objectives

• Explain how adaptations help organisms survive and reproduce in their environments
• Differentiate structural, behavioral, and physiological adaptations
• Use evidence from a text to identify examples of adaptations

Learning Objectives

• Understand how birth, death, immigration, and emigration influence population size and distribution.
• Identify regional drivers such as water availability, fire regimes, and disease outbreaks that affect populations.
• Analyze how population trends inform species status and biodiversity assessments.

Learning Objectives

• Understand the basic parts of a truss
• Identify how loads are distributed in a truss
• Recognize the significance of triangle shapes in structural stability+ Show more

Learning Objectives

• Explain how predator and prey populations can change over time due to cause-and-effect feedback.
• Use population dynamics vocabulary (predator, prey, growth, decline, community composition) to describe ecological cycles.
• Predict how changes in one species can ripple to other organisms in a community.

Learning Objectives

• Describe the types of landforms created by volcanic activity and how magma composition influences volcano shape.
• Identify the different tectonic settings where volcanic landforms are produced, such as subduction zones and hotspots.
• Explain how volcanic activity contributes to crater formation, soil creation, and crustal growth.+ Show more

Learning Objectives

• Explain how seasonal thermal cycles influence energy storage and transfer in regional landscapes.
• Identify the key factors driving seasonal climate patterns, including solar input and phase changes.
• Describe how energy fluxes—radiative, latent, and sensible—interact in regional ecosystems.+ Show more

Learning Objectives

• Identify and describe different reaction types such as synthesis, decomposition, single and double displacement, acid–base neutralization, and combustion.
• Understand how atoms are rearranged during chemical reactions while conserving total atom counts.
• Predict products and classify reactions based on particle-level explanations of bond breaking and forming.

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Describe how particles behave during reactions in closed systems.
• Explain why mass remains constant before and after a chemical reaction in a closed system.+ Show more

Learning Objectives

• Identify different forms of energy and how they change from one form to another
• Explain the concept of energy conservation during transformations
• Recognize real-world examples of energy transformation pathways like hydroelectric and wind power+ Show more

Learning Objectives

• Understand different types of biotic interactions such as predation, competition, mutualism, commensalism, and parasitism.
• Identify how human activities can disrupt biotic relationships and ecosystems.
• Explain how biotic interactions influence community structure and biodiversity.+ Show more

Learning Objectives

• Define adaptations as structural, physiological, and behavioural traits that improve survival and reproduction in specific environments
• Explain how selective pressures influence which traits become more common in a population
• Describe how trade-offs in resource allocation can affect the success of an adaptation+ Show more

Learning Objectives

• Explain what ecological models are and why scientists use them to study ecosystems.
• Distinguish conceptual models from quantitative models and identify appropriate inputs for each.
• Describe how model assumptions and limitations affect predictions and how verification with observations improves model reliability.

Learning Objectives

• Understand how mass conservation principles are applied in reaction stoichiometry and environmental systems.
• Identify examples of mass balance in closed or near-closed systems.
• Explain practical uses of conservation principles in waste management and emissions containment.+ Show more

Learning Objectives

• Describe the three main types of rocks: igneous, sedimentary, and metamorphic.
• Identify features and textures characteristic of each rock type.
• Explain how rocks are classified based on their origin and appearance.+ Show more

Learning Objectives

• Explain how energy can change forms (mechanical, chemical, electrical, and thermal) while total energy is conserved.
• Use cause-and-effect reasoning to describe energy transformations in everyday systems.
• Identify examples of energy transformations, including hydroelectric and wind power, and combustion for heating.+ Show more

Learning Objectives

• Explain how conservation strategies such as protected areas, habitat restoration, invasive species control, and sustainable harvesting reduce human impacts.
• Use ecological ideas (food webs, population dynamics, and abiotic constraints) to predict why conservation actions help ecosystems.
• Evaluate and propose conservation strategies using adaptive monitoring and evidence-based decision-making.

Learning Objectives

• Explain how predator and prey populations influence each other through feedback over time.
• Describe how predator-prey cycles can change resources and affect other species in a community.
• Use cause-and-effect reasoning to predict outcomes when predator or prey populations increase or decrease.+ Show more

Learning Objectives

• Explain how energy flows through trophic levels in a food web.
• Describe how matter cycles through ecosystems via decomposition and nutrient release.
• Use examples to predict how changes in one population affect other organisms.

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

• Describe how the particle model represents matter as discrete particles with spaces and motion.
• Use particle motion and arrangement to explain macroscopic properties such as state of matter and diffusion.
• Differentiate physical changes from chemical changes using the particle model (rearrangement vs new substances).

Learning Objectives

• Understand how phase changes involve energy absorption or release through particle interactions.
• Explain latent heat phenomena during melting, freezing, evaporation, and condensation.
• Link microscopic particle behavior to macroscopic energy budgets in phase transitions.+ Show more

Learning Objectives

• Understand the distinguishing properties of pure substances such as fixed melting and boiling points, density, and reactivity
• Differentiate between elements and compounds using physical and chemical tests
• Identify examples of pure elements and compounds in local and global contexts+ Show more

Learning Objectives

• Explain how energy pathways operate within mechanical and industrial systems.
• Identify principles of energy conservation in real-world energy systems.
• Analyze Sankey diagrams and energy flow representations to evaluate system efficiencies.+ Show more

Learning Objectives

• Understand the concept of thermal conductivity and how it varies among different materials.
• Compare the thermal behaviors of common Alberta construction materials such as fiberglass, spray foam, wood, and masonry.
• Identify factors that influence thermal properties, including porosity, moisture content, and layered assemblies.+ Show more

Learning Objectives

• Understand the principles of ecological inquiry and hypothesis formulation.
• Identify measurable variables in ecological studies.
• Interpret ecological data and evidence critically.+ Show more

Learning Objectives

• Understand how to draw and interpret free-body diagrams.
• Learn to decompose forces on inclined surfaces into perpendicular components.
• Apply vector addition to determine net force magnitude and direction.+ Show more

Learning Objectives

• Understand how force, material choice, and structural evaluation influence design decisions.
• Analyze criteria-based comparisons of alternative designs in real-world applications.
• Apply quantitative motion data and mechanical calculations to support engineering reasoning.+ Show more

Learning Objectives

• Understand how elevation, mass, and speed influence mechanical energy in systems.
• Identify examples of potential and kinetic energy transfer in real-world scenarios.
• Analyze how energy conversion affects safety and structural loading in transportation and industry.+ Show more

Learning Objectives

• Understand the roles of supports, foundations, and load paths in construction.
• Identify how compression, tension, and shear forces affect structural elements.
• Evaluate material properties like stiffness, strength, and durability for safety.+ Show more

Learning Objectives

• Understand how levers and pulleys modify effort and direction to provide mechanical advantage.
• Explain the concepts of torque, fulcrum placement, and ideal mechanical advantage calculations.
• Relate the geometry of levers and pulleys to force multiplication in practical, regional examples.+ Show more

Learning Objectives

• Understand basic concepts of truss structures and load distribution
• Identify internal force paths in trusses
• Apply criteria for assessing efficiency and redundancy in truss designs+ Show more

Learning Objectives

• Understand the concepts of bending, shear, and deflection in beams.
• Identify factors affecting beam stability under regional loads.
• Relate span, support conditions, and load types to real-world examples.+ Show more

Learning Objectives

• Understand the basic concepts of simple machines and their functions.
• Identify different types of simple machines and their components.
• Explain how simple machines alter force and movement in everyday tools.+ Show more

Learning Objectives

• Explain the concept of static and dynamic equilibrium in different structures.
• Identify graphical representations of balanced force pairs in real-world examples.
• Describe how forces acting on objects relate to safety and durability in infrastructure.+ Show more

Learning Objectives

• Understand how to interpret distance–time and speed–time graphs
• Learn to calculate and analyze the slope of a motion graph
• Identify the area under a velocity-time graph as displacement+ Show more

Learning Objectives

• Understand how static and kinetic friction operate in real-world scenarios.
• Explore the effects of aerodynamic drag on moving objects such as vehicles and outdoor equipment.
• Analyze the relationship between surface texture, normal force, and frictional force.+ Show more

Learning Objectives

• Identify signs of chemical reactions such as gas production, heat exchange, and color change.
• Observe and describe the formation of gases during chemical reactions.
• Connect observable indicators to the underlying particle interactions and reaction pathways.

Learning Objectives

• Understand the definition of saturation and supersaturation in solutions.
• Identify conditions that lead to saturation and crystallization.
• Analyze real-world examples of saturation phenomena.+ Show more

Learning Objectives

• Explain how test data guide specific design changes toward a success criterion
• Describe how evidence-based revisions can improve performance while meeting constraints
• Use measurements and comparisons to justify why a revised design works better

Learning Objectives

• Analyze how forces produce motion and affect structural members in real-world systems.
• Evaluate how machine function (mechanical advantage and force transfer) influences design performance.
• Compare design alternatives using consistent criteria for safety under wind, snow, and load scenarios.

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

• Explain how weathering, transport, deposition, and lithification form sedimentary rocks
• Distinguish mechanical weathering from chemical weathering and how each produces sediment
• Describe how depositional environments can create distinctive bedding and sedimentary structures

Learning Objectives

• Describe how population trends, threats, and recovery potential are used to evaluate conservation risk.
• Identify how land use, genetic diversity, and habitat connectivity affect a species' vulnerability.
• Interpret evidence from examples such as the swift fox and at-risk plants to explain regional persistence.