Grade 7 Science Worksheets

Learning Objectives

• Classify processes used to extract bitumen from oil sands as physical separation or chemical change
• Explain how density, particle size, temperature, and additives affect mixture behavior during processing
• Identify evidence of emulsions, dissolved organics, and product separation in real-world separation steps

Learning Objectives

• Understand the concept of convection and how it transports heat in fluids.
• Identify real-world examples of convection in nature and engineering.
• Differentiate convection from conduction and radiation.+ Show more

Learning Objectives

• Explain biodiversity as genetic, species, and ecosystem diversity
• Describe how richness, evenness, and habitat heterogeneity help measure biodiversity
• Interpret what biodiversity metrics can reveal about ecosystem resilience and ecosystem function+ Show more

Learning Objectives

• Understand how environmental changes influence ecosystems and organism survival.
• Identify different types of environmental alterations and their effects on resources and species.
• Analyze how shifts in species populations affect ecosystem interactions and patterns.+ Show more

Learning Objectives

• Use integrated systems analysis to compare design options using mechanical advantage, materials, and structural safety.
• Connect force and motion data to machine function and structural evaluation in real-world scenarios (wind, snow, and load).
• Justify a design choice using evidence from mechanical calculations and safety criteria.

Learning Objectives

• Describe the movement of water across Earth's systems.
• Explain the processes of groundwater flow, surface runoff, and ocean circulation.
• Understand the impact of water movement on climate, ecosystems, and human activity.+ Show more

Learning Objectives

• Explain how birth and death rates, immigration and emigration, and abiotic constraints affect population size and distribution
• Describe how regional factors (such as seasonal water, fire regimes, disease, and land-use change) can cause population fluctuations
• Use population trends to reason about local extirpations and expansions

Learning Objectives

• Identify and explain how competition, predation, and symbiosis affect organisms in a community
• Describe cause-and-effect relationships between interactions and population changes over time
• Differentiate major types of symbiosis: mutualism, commensalism, and parasitism

Learning Objectives

• Explain how energy transfers through a food web from producers to consumers.
• Describe how decomposition helps cycle matter (nutrients) within an ecosystem.
• Use evidence from food web relationships to predict how changes affect organisms.

Learning Objectives

• Identify evidence of internal geological processes that shape Earth's surface
• Understand how uplift and deformation contribute to landform formation
• Recognize signs of external processes like erosion and sediment transport+ Show more

Learning Objectives

• Explain how seasonal thermal cycles influence climate and ecosystems.
• Identify the key energy pathways involved in seasonal environmental changes.
• Describe the roles of solar input, albedo variation, and latent heat in regional climate patterns.+ Show more

Learning Objectives

• Define specific heat capacity and understand its role in thermal energy transfer.
• Calculate the amount of energy required to heat substances using mass, specific heat, and temperature change.
• Convert between units such as Joules and kilojoules, grams and kilograms, and Celsius and Kelvin.+ Show more

Learning Objectives

• Identify biotic and abiotic components of an ecosystem and give examples of each
• Explain how energy flows from primary producers to consumers through feeding relationships
• Describe how abiotic factors influence growth, reproduction, and survival of organisms+ Show more

Learning Objectives

• Explain how tectonics, magmatism, weathering, erosion, burial, and metamorphism connect within the rock cycle.
• Use rock cycle terms to describe how rocks change forms over geologic time.
• Interpret how uplift and plate motion create the conditions for recycling crustal materials.

Learning Objectives

• Explain how conduction transfers kinetic energy through solids and across interfaces
• Compare thermal conductivity of common materials and relate it to temperature gradients
• Use ideas of conductivity coefficients and contact resistance to predict heat-flow behavior+ Show more

Learning Objectives

• Describe the forces involved in plate tectonics such as mantle convection, slab pull, and ridge push.
• Explain how mantle convection drives plate motion through circulation of mantle material.
• Identify the roles of slab pull and ridge push in plate movement.+ Show more

Learning Objectives

• Define control conditions and comparison conditions in a scientific investigation.
• Explain how controlling variables increases the credibility of evidence.
• Describe why consistent timing, tool calibration, and standardized handling support fair tests.

Learning Objectives

• Describe how biodiversity includes genetic, species, and ecosystem diversity.
• Explain how richness, evenness, and habitat heterogeneity are used to measure regional biodiversity.
• Interpret what biodiversity metrics can suggest about ecosystem resilience and function.

Learning Objectives

• Explain the differences between contact and non-contact forces.
• Describe how net force affects the acceleration of an object.
• Identify examples of forces such as friction and gravity in regional contexts.+ Show more

Learning Objectives

• Identify observable signs indicating chemical changes in substances.
• Differentiate between physical and chemical changes using evidence.
• Understand the importance of multiple indicators to confirm a chemical change.+ Show more

Learning Objectives

• Explain how adaptation traits (structural, physiological, and behavioural) help organisms survive and reproduce in specific environments.
• Describe how selective pressures shape trait variation and how trade-offs can affect survival.
• Connect examples from Alberta habitats to niches and long-term persistence of species.

Learning Objectives

• Understand the principles of mechanical advantage in design
• Analyze how structural choices affect safety and efficiency
• Evaluate different design options based on quantitative data+ Show more

Learning Objectives

• Explain conservation of mass in terms of atoms being conserved in a closed system.
• Predict whether total mass changes by comparing masses of reactants and products when nothing enters or leaves.
• Use sealed-container observations to support claims about conservation of mass during physical or chemical changes.

Learning Objectives

• Explain how technology trade-offs can affect both people and the environment
• Use ethical principles to evaluate impacts of technology across its life cycle
• Identify real-world engineering choices that can increase fairness, privacy, and safety+ Show more

Learning Objectives

• Understand how forces cause changes in motion.
• Differentiate between balanced and unbalanced forces.
• Explain how friction, air resistance, and gravity affect motion.+ Show more

Learning Objectives

• Describe the different states of matter: solids, liquids, and gases.
• Understand how particle arrangement and movement define each state.
• Explain how temperature and pressure influence state transitions.+ Show more

Learning Objectives

• Describe how Earth's tilt and orbit influence seasons and day length.
• Explain the relationship between Earth's position relative to the sun and observable patterns in daylight and temperature.
• Understand how the apparent motion of the sun supports calendar and timekeeping systems.+ Show more

Learning Objectives

• Understand the principles of radiant energy transfer through electromagnetic waves.
• Identify factors affecting net radiative heating of surfaces.
• Explain how surface properties like absorptivity and emissivity influence temperature changes.+ Show more

Learning Objectives

• Explain how physical changes alter a substance’s appearance or form without changing its chemical identity.
• Identify common physical changes, including phase changes and reversible changes caused by changing conditions.
• Use particle ideas to justify why some changes are physical rather than chemical.

Learning Objectives

• Understand how magma forms in the Earth's mantle and crust.
• Identify the types of igneous rocks based on cooling rates.
• Explain how mineral composition and texture of igneous rocks are affected.+ Show more

Learning Objectives

• Understand how disturbances like fire, flood, and windthrow affect habitats and ecosystems.
• Recognize factors such as frequency and intensity that influence disturbance outcomes.
• Identify species adapted to disturbance regimes and their recovery patterns.+ Show more

Learning Objectives

• Understand the principles of calorimetry and how temperature changes relate to energy transfer.
• Apply calorimetric reasoning to real-world thermal scenarios such as combustion and melting.
• Use energy conservation equations to connect observed temperature changes with energy in Joules.+ Show more

Learning Objectives

• Define carrying capacity and explain its significance in ecology.
• Identify limiting factors that influence population sizes.
• Analyze how resource availability affects populations over time.

Learning Objectives

• Explain how structural, behavioral, and physiological adaptations help organisms survive and perform life processes.
• Match adaptations to their functions, such as protection, exchange, and water regulation.
• Describe trade-offs and how improving one ability can limit another.

Learning Objectives

• Define and distinguish between distance, time, and speed in the context of motion.
• Calculate average speed using distance and time data.
• Understand common sources of measurement error in motion experiments.+ Show more

Learning Objectives

• Understand the definition of saturation and supersaturation in solutions.
• Identify real-world examples of saturation and supersaturation.
• Explain the conditions that lead to phase changes between dissolved and solid states.+ Show more

Learning Objectives

• Understand how building orientation influences energy efficiency
• Identify passive solar gain strategies
• Recognize the importance of thermal barriers and ventilation systems+ Show more

Learning Objectives

• Identify different types of energy: mechanical, chemical, electrical, and thermal.
• Understand how energy changes from one form to another during various processes.
• Recognize real-world examples of energy transformations, such as hydroelectric power, wind turbines, and natural gas combustion.+ Show more

Learning Objectives

• Explain how thermal energy moves using models of conduction, convection, and radiation
• Use temperature differences to predict the direction of heat transfer
• Describe how energy transfer can change the temperature of materials over time+ Show more

Learning Objectives

• Explain how human activities can change Earth’s spheres (atmosphere, biosphere, geosphere, and hydrosphere).
• Describe how these changes can create feedbacks that amplify or reduce effects in the Earth system.
• Use evidence-based reasoning to connect causes (human actions) to effects (environmental outcomes).

Learning Objectives

• Explain how energy moves through trophic levels in a food web
• Describe why only a fraction of energy is available to the next trophic level
• Predict how changes in trophic position affect biomass and food-chain length+ Show more

Learning Objectives

• Explain equilibrium as the condition where net force is zero and motion does not change
• Distinguish static equilibrium from dynamic equilibrium using examples from structures and motion
• Identify balanced and unbalanced force pairs and describe how they affect safety and design

Learning Objectives

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

Learning Objectives

• Explain how human activities can affect Earth’s spheres (atmosphere, hydrosphere, biosphere, geosphere).
• Describe how feedbacks can amplify or reduce environmental changes over time.
• Use cause-and-effect reasoning to connect human actions to ecosystem impacts.

Learning Objectives

• Understand the different types of forces acting on objects.
• Explain how forces cause changes in motion.
• Distinguish between balanced and unbalanced forces.+ Show more

Learning Objectives

• Describe how population size changes using births, deaths, immigration, and emigration.
• Explain how population density and distribution affect competition and mating.
• Use population growth concepts to interpret short-term fluctuations and long-term trends.

Learning Objectives

• Understand the criteria used to evaluate species' conservation risk.
• Identify examples of species at risk and factors influencing their vulnerability.
• Interpret evidence related to land use, genetic diversity, and connectivity in conservation assessments.+ Show more

Learning Objectives

• Understand the different types of rocks and how they are formed.
• Identify key features that distinguish igneous, sedimentary, and metamorphic rocks.
• Explore the processes involved in the formation and classification of rocks.+ Show more