Grade 7 Science Worksheets

Learning Objectives

• Understand how environmental disturbances affect habitats and species.
• Identify different types of disturbances such as fire, flood, landslide, and windthrow.
• Explain how disturbance frequency, intensity, and scale influence ecosystem diversity and recovery.+ Show more

Learning Objectives

• Understand how invasive species outcompete native organisms and modify ecosystems.
• Identify mechanisms and ecological impacts of invasive species.
• Analyze how invasions lead to long-term shifts in ecosystem composition and function.+ Show more

Learning Objectives

• Write scientific claims that cite specific evidence from observations and data.
• Explain how evidence supports a claim using appropriate relationships and units.
• Evaluate alternative explanations by deciding which evidence is stronger.

Learning Objectives

• Understand key conservation methods such as habitat protection, restoration, and species management.
• Identify different adaptive approaches to ecosystem conservation.
• Analyze how human activities impact biodiversity and ecosystems.+ Show more

Learning Objectives

• Explain the process of convection and how it transfers heat in fluids.
• Identify natural and forced convection examples in real-world scenarios.
• Describe boundary layers, buoyancy forces, and flow patterns related to convection.+ Show more

Learning Objectives

• Understand the systematic approach of ecological inquiry including hypothesis framing and data interpretation.
• Identify local examples of ecological relationships like riparian health of the Bow River.
• Evaluate the role of evidence and natural variability in ecological studies.+ Show more

Learning Objectives

• Understand how physical and chemical properties can predict reactivity.
• Identify patterns in reactivity that indicate specific chemical changes.
• Analyze evidence signaling chemical transformations during reactions.+ Show more

Learning Objectives

• Understand the concept of radiant transfer and its role in energy conveyance.
• Identify factors influencing radiative heating and cooling in different landscapes and structures.
• Explain how surface properties like absorptivity, emissivity, and solar angles affect local microclimates.+ Show more

Learning Objectives

• Describe the different states of matter—solids, liquids, and gases—based on particle arrangement, spacing, and movement.
• Explain how temperature and pressure influence transitions between states of matter.
• Identify observable characteristics used to classify substances by physical properties related to states of matter.

Learning Objectives

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

Learning Objectives

• Understand the components that make up an ecosystem.
• Learn how ecosystems respond to disturbances.
• Identify factors that contribute to ecosystem resilience.

Learning Objectives

• Understand different physical and chemical properties of materials
• Identify the importance of properties like corrosion resistance, hardness, melting point, and solubility
• Learn how properties influence the suitability of materials for specific applications+ Show more

Learning Objectives

• Understand the mechanisms of magma generation and its relation to tectonic settings.
• Identify the processes that influence texture and mineral composition in igneous rocks.
• Explain how cooling rates and crystallization affect igneous rock texture and mineral assemblage.+ Show more

Learning Objectives

• Explain what a keystone species is and why its impact can be larger than its abundance
• Use food-web and energy-flow ideas to predict effects of removing a keystone species (trophic cascades)
• Identify examples of how predators or habitat engineers can maintain ecosystem stability and diversity+ Show more

Learning Objectives

• Understand how birth and death rates influence population size.
• Identify regional factors that impact population distribution.
• Analyze how resource availability and environmental constraints affect populations.+ Show more

Learning Objectives

• Understand how Earth's tilt and orbit influence seasons and day length.
• Describe the relationship between Earth's position relative to the sun and observable patterns.
• Explain how axial tilt affects daylight duration at different times of year.+ Show more

Learning Objectives

• Explain how friction opposes motion between surfaces and how it relates to static and kinetic friction
• Describe how aerodynamic drag affects objects moving through air and how it changes acceleration and stopping distance
• Use the relationships among surface texture, normal force, and frictional coefficient to predict when slipping is more likely+ Show more

Learning Objectives

• Describe how ecological models represent ecosystem relationships using inputs, assumptions, and outputs.
• Identify the difference between qualitative and quantitative modelling approaches.
• Explain why model predictions must be checked against real observations.+ Show more

Learning Objectives

• Explain the purpose and types of ecological models used in environmental science.
• Identify inputs, limitations, and applications of ecological models for regional ecosystems.
• Describe how models support interpretation of ecological data and verify predictions against observations.+ Show more

Learning Objectives

• Explain that acceleration describes how quickly velocity changes, including whether the change is positive or negative relative to a chosen direction.
• Use Newton’s second law (Fnet = m·a) to connect net force, mass (inertia), and acceleration.
• Distinguish constant acceleration from changing acceleration by interpreting patterns on velocity–time descriptions.

Learning Objectives

• Define specific heat capacity and explain how it relates to thermal energy and temperature change
• Use the equation Q = m·c·ΔT to calculate heating energy (in J or kJ) for a given substance
• Convert between common mass and temperature units and report answers with correct units

Learning Objectives

• Define and describe what a physical change is and how it differs from a chemical change.
• Identify common examples of physical changes in everyday life.
• Explain the reversibility of physical changes under different conditions.+ Show more

Learning Objectives

• Understand the concept of mass conservation in closed systems.
• Learn how to measure and compare mass before and after chemical changes.
• Recognize the factors that influence observed mass differences, such as gases or dissolved species.+ Show more

Learning Objectives

• Distinguish between producers and consumers in a food web using trophic roles.
• Explain how energy transfer through trophic levels affects energy pyramids.
• Identify primary, secondary, and tertiary consumers and predict their relationships.

Learning Objectives

• Understand the defining properties of pure substances such as fixed melting and boiling points, density, and reactivity.
• Distinguish between elements and compounds using physical and chemical tests.
• Identify examples of pure substances, including local minerals and common compounds.+ Show more

Learning Objectives

• Define temperature as a measure of average kinetic energy of particles
• Explain heat as energy transfer due to a temperature difference
• Describe heat transfer by conduction, convection, and radiation

Learning Objectives

• Identify and differentiate between igneous, sedimentary, and metamorphic rocks based on origin and features.
• Understand the processes involved in the formation of each rock type.
• Analyze mineral content, grain size, and structures to classify rocks.+ Show more

Learning Objectives

• Define control conditions and comparison conditions in an experiment.
• Explain how keeping variables the same (except the independent variable) improves credibility of results.
• Describe practical steps such as consistent timing, tool calibration, and standardized handling to reduce unrelated factors.+ Show more

Learning Objectives

• Describe the stages involved in the formation of sedimentary rocks.
• Identify the processes of weathering, transport, and deposition.
• Explain how sedimentary structures and fossils provide information about Earth's past environments.+ Show more

Learning Objectives

• Understand the different types of weathering processes that break down rocks.
• Identify examples of physical, chemical, and biological weathering.
• Explain how weathering influences landscape formation and sediment supply.+ Show more

Learning Objectives

• Describe how magma forms through different geological processes such as decompression, volatile addition, and heat transfer.
• Explain how cooling rates influence the texture and mineral composition of igneous rocks.
• Identify the processes of fractional crystallization and magma mixing and their effects on magma composition.+ Show more

Learning Objectives

• Understand the structure and function of Earth's lithospheric plates.
• Identify different types of plate boundaries and their associated geological features.
• Explain how plate motions influence the distribution of earthquakes, volcanoes, and mountain chains.+ Show more

Learning Objectives

• Understand the processes involved in metamorphism of rocks.
• Identify differences between contact and regional metamorphism.
• Recognize mineral alterations and textures resulting from metamorphic reactions.+ Show more

Learning Objectives

• Describe the three principal boundary types and their characteristic landforms.
• Explain how divergent boundaries create mid-ocean ridges and rift valleys.
• Identify features associated with convergent boundaries, such as subduction zones and folded mountains.+ Show more

Learning Objectives

• Understand the processes involved in landscape evolution, including tectonic uplift, volcanic activity, and surface erosion.
• Analyze how climate influences weathering and material transport in landscape development.
• Describe the cycles of mountain building and denudation and how they shape mature landscapes.+ Show more

Learning Objectives

• Understand the causes and types of faults associated with earthquakes.
• Identify seismic signatures and characteristics of different fault motions.
• Explain how seismic waves travel through the Earth and how they are affected by geology.+ Show more

Learning Objectives

• Understand the different types of phase changes such as melting, freezing, vaporization, condensation, sublimation, and deposition.
• Describe how temperature and pressure influence phase transitions.
• Explain the concept of latent heat and its role during phase changes.+ Show more

Learning Objectives

• Describe how temperature differences create density differences that drive convection
• Compare natural and forced convection using real-world examples
• Identify features of boundary layers and flow patterns that affect heat transfer+ Show more

Learning Objectives

• Identify and explain signs indicating a physical change in matter.
• Differentiate between physical and chemical changes based on observable signs.
• Describe real-world examples of physical changes and their particle behavior.+ Show more

Learning Objectives

• Identify different observable indicators of chemical reactions such as gas production, heat exchange, colour shifts, and precipitate formation.
• Describe how reaction types and extents can be inferred from qualitative observation patterns.
• Connect observational evidence to underlying particle interactions and mass changes in chemical processes.+ Show more

Learning Objectives

• Understand the criteria used to assess the conservation status of species.
• Interpret evidence related to threats, recovery potential, and population trends.
• Evaluate how land use, genetic diversity, and species connectivity influence vulnerability.

Learning Objectives

• Explain how particle arrangement, spacing, and movement determine the properties of solids, liquids, and gases.
• Describe how temperature and pressure can cause matter to change from one state to another.
• Use observable characteristics (shape, volume, and ability to flow) to classify substances by physical properties.

Learning Objectives

• Understand the physical and biological components of an ecosystem.
• Describe how biotic and abiotic factors interact within an ecosystem.
• Explain the flow of energy through living organisms in an ecosystem.+ Show more

Learning Objectives

• Understand the concept of trophic levels in a food web
• Identify producers, consumers, and top predators
• Explain how energy decreases as it moves through the trophic levels+ Show more

Learning Objectives

• Define conservation status using details from the passage
• Identify how threats, population trends, and recovery potential shape risk levels
• Explain how habitat change, genetic diversity, and connectivity affect species vulnerability

Learning Objectives

• Explain how nutrient runoff, hydrocarbons, and airborne deposition can enter ecosystems
• Describe cause-and-effect links between pollution sources and ecological effects
• Use terms such as bioaccumulation, food web, and exposure to interpret environmental impacts

Learning Objectives

• Understand the process of mountain formation through tectonic plate movements.
• Identify key features of orogeny, including crustal deformation and uplift.
• Explain how surface processes shape mountain landscapes over time.

Learning Objectives

• Identify kinetic and potential energy in everyday situations.
• Explain how changes in height and speed affect mechanical energy.
• Use energy conservation ideas to reason about safer motion and loading.