Grade 7 Science Worksheets

Learning Objectives

• Understand how energy flows and transforms within mechanical and industrial systems.
• Interpret energy flow diagrams and Sankey diagrams to quantify inputs, useful outputs, and waste heat.
• Explain the conservation of energy principles in various energy systems such as oil sands extraction, heating plants, and hydroelectric infrastructure.+ Show more

Learning Objectives

• Understand the difference between mixtures and pure substances.
• Identify various types of mixtures based on observable traits.
• Learn about physical properties used to separate mixtures.+ Show more

Learning Objectives

• Explain how free-body diagrams represent all forces acting on an object
• Determine the net force magnitude and direction by combining perpendicular force components
• Decompose forces on inclined surfaces into parallel and perpendicular components

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Identify how atoms are conserved during reactions at the particle level.
• Recognize the significance of closed systems in mass measurement before and after reactions.+ Show more

Learning Objectives

• Understand how energy changes occur during chemical reactions, including exothermic and endothermic processes.
• Identify signs of energy transfer in physical and chemical changes.
• Describe how bond breaking and formation involve energy input and release.+ Show more

Learning Objectives

• Understand how physical and chemical properties influence the suitability of materials for various applications.
• Identify key properties such as corrosion resistance, hardness, melting point, and solubility.
• Relate material properties to environmental and structural considerations.+ Show more

Learning Objectives

• Understand the processes involved in physical, chemical, and biological weathering of rocks.
• Identify factors that influence the rate and effects of weathering on landforms.
• Describe how weathering contributes to soil formation and landscape development.+ Show more

Learning Objectives

• Describe the process of metamorphism and how it alters rocks.
• Differentiate between contact and regional metamorphism.
• Identify mineral assemblages that indicate metamorphic grade and history.+ Show more

Learning Objectives

• Understand how deposition shapes various landforms such as deltas, beaches, and dunes.
• Identify different depositional processes and their resulting stratigraphic features.
• Explain glacial and aeolian deposition and related landforms like moraines and dunes.+ Show more

Learning Objectives

• Understand how heat and energy transfer are measured and expressed mathematically.
• Learn about specific heat capacity, mass, and temperature change in energy calculations.
• Interpret practical examples of thermal energy transfer, such as heating water, melting snow, and warming air.+ Show more

Learning Objectives

• Understand the basic concept of convection
• Identify natural and forced convection in daily life
• Recognize how temperature differences cause fluid movement+ Show more

Learning Objectives

• Define and distinguish between contact and non-contact forces.
• Explain how net force influences the motion of objects.
• Identify real-life examples of different forces such as friction and gravity.+ Show more

Learning Objectives

• Explain how adaptation traits (structural, physiological, and behavioural) help organisms survive and reproduce in specific environments.
• Describe examples of adaptation in boreal and prairie habitats, including cold tolerance, drought resistance, seasonal coat changes, and root architecture.
• Connect trait variation to selective pressures and trade-offs in how organisms allocate energy and resources.

Learning Objectives

• Understand the differences between mixtures and pure substances.
• Identify the observable traits of heterogeneous and homogeneous mixtures.
• Learn methods of separation based on physical properties such as filtration, evaporation, and distillation.+ Show more

Learning Objectives

• Explain how supports, foundations, and load paths work together to maintain structural stability.
• Differentiate compression, tension, and shear and predict where each force appears in common structures.
• Identify how material properties (stiffness, strength, durability) help determine safety under wind and snow loads.

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Describe how atoms are conserved and rearranged during reactions.
• Explain the concept of closed systems and their importance in mass conservation.+ Show more

Learning Objectives

• Understand the different types of population interactions including competition, predation, and mutualism.
• Identify how niche partitioning and habitat differentiation promote coexistence among species.
• Explain the mechanisms that stabilize or destabilize populations through resource use and species interactions.+ Show more

Learning Objectives

• Understand how sound waves reach and are perceived by the human ear.
• Identify factors affecting the loudness and pitch of sounds.
• Explain how surfaces reflect sound and materials absorb sound.+ Show more

Learning Objectives

• Explain how biodiversity can be described using richness, evenness, and habitat heterogeneity.
• Interpret what biodiversity metrics can reveal about ecosystem resilience and function.
• Use evidence from habitat complexity and species assemblages to make ecological health claims.

Learning Objectives

• Understand how magma is generated within Earth's mantle and crust.
• Identify the processes that influence magma composition and texture.
• Relate plate tectonic settings to types of magma and igneous rocks.

Learning Objectives

• Explain the ecological levels of organization from individual organisms to ecosystems
• Identify examples of individual, population, community, and ecosystem using Alberta-style scenarios
• Describe why patterns at higher levels cannot always be predicted from single organisms

Learning Objectives

• Understand the particle motion underlying thermal phenomena.
• Explain how temperature measures average kinetic energy of particles.
• Describe how heat energy is transferred through conduction, convection, and radiation.+ Show more

Learning Objectives

• Explain how conservation of mass applies to closed-system reactions.
• Use mass accounting to relate reactant masses to product masses.
• Compare theoretical and measured yields using completeness of a reaction.

Learning Objectives

• Identify qualitative evidence of chemical reactions such as gas production, heat change, colour change, and precipitate formation
• Describe how the pattern of observations can help explain possible reaction types and reaction extent
• Use observation data to make and justify a claim about what likely happened at the particle level

Learning Objectives

• Define forces as interactions that can change an object’s motion.
• Distinguish contact forces from non-contact forces using real examples.
• Explain how net force affects acceleration and motion.+ Show more

Learning Objectives

• Explain how adaptations (structural, physiological, and behavioural) help organisms survive in specific environments.
• Identify examples of adaptation traits related to temperature, water availability, and seasonal change.
• Describe trade-offs in resource allocation and how they affect which traits are favored by natural selection.+ Show more

Learning Objectives

• Understand the concept of ecological models
• Identify components of ecological models
• Differentiate between conceptual and quantitative models+ Show more

Learning Objectives

• Distinguish mutualism, commensalism, and parasitism using defining evidence
• Explain how symbiotic relationships can change population size and resource use
• Use an example to describe a likely ecological consequence of each symbiosis type

Learning Objectives

• Understand how abiotic factors such as temperature, moisture, light, soil nutrients, and pH affect species distribution and population dynamics.
• Describe the interactions between abiotic conditions and biotic pressures in ecosystems.
• Evaluate how seasonal, daily fluctuations, and extreme events influence population resilience and survival.+ Show more

Learning Objectives

• Understand how abiotic factors such as temperature, moisture, light, soil nutrients, and pH affect species distribution and population dynamics.
• Identify examples of abiotic stresses and opportunities in the environment.
• Explain the interaction between abiotic conditions and biotic pressures in ecosystems.+ Show more

Learning Objectives

• Understand how physical and chemical properties influence material suitability for applications.
• Identify properties such as corrosion resistance, hardness, melting point, solubility, and reactivity.
• Learn how properties like density and strength guide structural material choices.+ Show more

Learning Objectives

• Understand the concept of carrying capacity in ecosystems.
• Identify limiting factors that affect population size.
• Explain how populations adjust to environmental constraints.

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 how vibrating objects produce sound waves in a medium.
• Identify how frequency affects pitch and amplitude affects loudness.
• Explain the dependence of sound transmission on a medium like air.+ Show more

Learning Objectives

• Understand how position-time graphs represent motion and interpret their slopes and curves.
• Identify patterns in velocity-time graphs and relate slopes to acceleration.
• Use data tables alongside graphs to analyze and interpret different types of motion.+ Show more

Learning Objectives

• Identify and describe various physical properties of substances such as color, density, melting point, boiling point, magnetism, conductivity, and solubility.
• Explain how observable behaviors related to physical properties assist in characterizing substances.
• Apply knowledge of physical properties to reason about how mixtures can be separated based on measurable differences.+ Show more

Learning Objectives

• Define what a keystone species is and explain its importance in ecosystems.
• Identify different types of keystone species and their roles in maintaining ecosystem balance.
• Understand the effects of removing a keystone species on ecological communities.+ Show more

Learning Objectives

• Understand the principle of mass conservation in chemical reactions
• Identify real-world applications of mass balance concepts
• Recognize how mass conservation is monitored in different systems+ Show more

Learning Objectives

• Explain how observable physical and chemical properties help determine whether a material is suitable for a specific application.
• Connect chemical stability and reactivity to real-world examples such as corrosion and acid resistance.
• Use properties like density, hardness, melting point, and solubility to justify material choices for engineering and environmental needs.

Learning Objectives

• Understand the concepts of span, support conditions, load types, and their effects on beam stability.
• Relate beam performance criteria to real-world examples such as highway overpass girders and building floor joists.
• Analyze the influence of span-to-depth ratios, material stiffness, and service loads on beam deflection and safety.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Identify how atoms are conserved and rearranged during chemical changes.
• Explain the concept of closed systems and their relevance to mass conservation.+ Show more

Learning Objectives

• Understand the structure and boundaries of Earth's tectonic plates.
• Identify the different types of plate interactions at plate boundaries.
• Explain how plate movements influence geological features like earthquakes and volcanoes.+ Show more

Learning Objectives

• Understand the principles of calorimetry and how it measures energy exchange.
• Identify different thermal processes such as combustion, melting, and heat loss.
• Apply energy conservation equations to calculate heat transfer in Joules.+ Show more

Learning Objectives

• Understand the classification of matter into pure substances, mixtures, and solutions.
• Identify properties that distinguish pure substances from mixtures.
• Describe how solutions are homogeneous and the particles disperse at a molecular level.+ Show more

Learning Objectives

• Identify and describe different reaction types such as synthesis, decomposition, displacement, acid–base neutralization, and combustion.
• Understand how bonds are broken and formed during chemical reactions to produce new substances.
• Explain how atoms are rearranged in various reaction types while conserving the total atom count.+ Show more

Learning Objectives

• Understand how magma forms within the Earth's mantle and crust.
• Identify different volcanic and intrusive rocks based on cooling rates.
• Explain the roles of fractional crystallization and magma mixing in rock diversity.+ Show more

Learning Objectives

• Define and understand the concept of physical change.
• Identify examples of physical changes such as melting, freezing, vaporization, condensation, tearing, grinding, and dissolving.
• Explain the difference between physical and chemical changes based on observable attributes and substance composition.+ Show more

Learning Objectives

• Explain how orogeny forms mountains through crustal shortening, thickening, and uplift during plate convergence.
• Describe how continental collisions and subduction-related compression contribute to mountain-belt structures.
• Connect erosion and isostatic adjustment to how uplifted mountain landscapes evolve over time.