Grade 7 Science Worksheets

Learning Objectives

• Describe the structure of the cell membrane as a phospholipid bilayer with embedded components
• Explain how proteins, cholesterol, and carbohydrates contribute to selective permeability and communication
• Use evidence from membrane structure to predict how substances move in and out of cells

Learning Objectives

• Interpret distance–time graphs to describe rest intervals and different motion patterns (uniform motion, speeding up, slowing down).
• Interpret velocity–time graphs qualitatively by comparing velocity values over time and identifying zero-velocity rests.
• Explain how slope relates to speed for distance–time graphs and how area under a velocity graph relates to displacement (conceptually).

Learning Objectives

• Understand how cellular structures work together to maintain homeostasis in the body.
• Identify key transport processes like membrane pumps and hormone signaling that regulate nutrient and water balance.
• Explain how disruptions at cellular or tissue levels can impact overall organ function.+ Show more

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

• Distinguish physical properties from chemical properties using qualitative and quantitative descriptors
• Interpret property data (e.g., density, melting point, solubility, conductivity, reactivity, flammability) to identify materials and predict behavior
• Use measurements and test results to classify substances and compare how materials respond to temperature and chemical contact

Learning Objectives

• Explain why models can give useful predictions while still having limits.
• Identify assumptions and simplifications that affect what a model can explain.
• Describe how discrepancies can guide revisions to a model’s parameters or structure.

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

• Explain how Earth’s rotation and revolution create day-night cycles and predictable seasonal changes.
• Describe how the Moon’s position relative to the Sun and Earth leads to lunar phases and eclipses.
• Use simple models (alignment and scale) to connect relative motion to observable patterns over time.

Learning Objectives

• Understand the iterative nature of the engineering design process.
• Identify key steps such as problem definition, brainstorming, prototyping, evaluation, and optimization.
• Recognize examples of design trade-offs, measurement, and refinement.

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

• Explain how chromatography separates mixtures using differences in how molecules interact with stationary and mobile phases.
• Describe capillary action and adsorption in paper and thin-layer chromatography (TLC).
• Interpret retention factor (Rf) values to compare substances and make claims about relative purity.

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

• Identify and classify structural, physiological, and behavioral adaptations in organisms.
• Explain how selective pressures (temperature, moisture, predation, and resource availability) can shape adaptations.
• Analyze how adaptation trade-offs can influence where species can survive and function.

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

• Explain how environmental impacts can be connected to design constraints in real-world situations
• Identify potential trade-offs between performance, durability, and harm to people or ecosystems
• Use scientific reasoning to distinguish technically feasible solutions from environmentally responsible ones+ Show more

Learning Objectives

• Use the principles of superposition and cross-cutting relationships to place geologic events in order.
• Explain how geologists infer relative ages of rock layers and features without exact numeric dates.
• Identify which rock relationships indicate older versus younger formations in a geologic history.

Learning Objectives

• Explain how gravity and water-driven forces contribute to mass wasting and coastal erosion
• Describe how saturation from prolonged rain can trigger landslides
• Identify how waves and storm surge reshape beaches, dunes, and shorelines over time

Learning Objectives

• Differentiate homogeneous and heterogeneous mixtures based on how substances are distributed and how they can be separated.
• Describe solubility and saturation, and connect concentration to observable properties of solutions.
• Compare solutions, colloids, and suspensions using particle size and separation behavior.

Learning Objectives

• Explain how chemical properties affect what happens during chemical changes
• Identify observable indicators (gas, colour change, precipitates) linked to chemical processes
• Compare stability of different materials using reactivity, oxidation, corrosion, and pH-related behaviour+ 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 materials based on properties like stiffness, strength, and durability.+ Show more

Learning Objectives

• Differentiate between gravity, weight, and mass and explain how they relate to motion near Earth.
• Use Newtonian ideas (net force and acceleration) to predict how objects move as they fall.
• Interpret simple scenarios comparing objects with different masses in the same gravitational field.

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

• Explain density as mass per unit volume using the particle view.
• Describe how particle spacing and heating can change density even when mass stays the same.
• Use the particle view to predict and explain sinking and floating.

Learning Objectives

• Interpret historical and instrumental hazard data to identify patterns of frequency, magnitude, and geographic distribution.
• Use hazard maps and recurrence intervals to reason about risk and make evidence-based land-use choices.
• Explain how cascading impacts from natural hazards affect infrastructure, ecosystems, and communities, especially in coastal or floodplain areas.

Learning Objectives

• Understand the principles of convective heat transfer in fluids.
• Explain how buoyancy and density variations drive convection.
• Identify natural phenomena that result from convection processes.+ Show more

Learning Objectives

• Identify ethical expectations for data integrity, attribution, and responsible communication in STEM projects
• Explain how technical reports and graphs should present methods, uncertainty, and limitations clearly
• Describe why peer review and public presentation affect reliability and public understanding of findings+ Show more

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Identify examples of closed systems in experiments.
• Predict mass relationships in chemical reactions enclosed in a sealed environment.+ Show more

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

• Explain how geologic evidence (fossils, rock types, seafloor structures) supports the theory of plate tectonics.
• Identify key features of tectonic plate boundaries, including trenches, mid-ocean ridges, and earthquake/volcano patterns.
• Describe how magnetic striping and continental reconstructions (such as Pangaea) help infer plate motion.

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

• Define saturation and supersaturation in solutions.
• Identify real-life examples of solubility limits.
• Explain what triggers phase change between dissolved and solid states.+ 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

• Describe key abiotic factors such as temperature, light, soil, moisture, and pH that influence ecosystems.
• Explain how abiotic conditions create environmental templates for communities and affect resource distribution.
• Identify microhabitats within different ecosystems where abiotic variability impacts organisms.+ Show more

Learning Objectives

• Understand how levers are classified into different classes based on fulcrum placement.
• Explain how pulleys modify effort and direction to achieve mechanical advantage.
• Calculate ideal mechanical advantage using simple arithmetic based on lever arm and pulley systems.+ Show more

Learning Objectives

• Understand the key factors that influence population size and distribution.
• Differentiate between types of population growth patterns, including exponential and logistic growth.
• Analyze how species interactions and environmental factors affect populations over time.

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

• Explain how explanatory models represent systems using simplified parts, symbols, and relationships
• Use cause-and-effect and energy-transfer ideas to interpret what a model predicts
• Evaluate how well a model fits observations and how it should be revised when new evidence disagrees

Learning Objectives

• Explain the different types of species interactions such as competition, predation, mutualism, and parasitism.
• Illustrate how niche partitioning reduces competition among species in an ecosystem.
• Describe the role of keystone species in shaping community composition.+ 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

• Explain how infiltration and aquifer storage contribute to the groundwater portion of the water cycle
• Describe how gravity and pressure differences influence groundwater movement and discharge
• Analyze how recharge, permeability, and precipitation affect groundwater availability+ Show more

Learning Objectives

• Identify the main idea of a passage about space technology.
• Use evidence from the passage to support an answer.
• Explain how telescopes collect light to help scientists interpret objects in space.

Learning Objectives

• Identify the main idea of how the rock cycle records Earth’s history.
• Use supporting details to explain how different rock types form and change.

Learning Objectives

• Identify the main idea of a text about how the solar system formed.
• Describe key details about accretion, planetesimals, and early planetary conditions.
• Use vocabulary from the passage to answer questions accurately.

Learning Objectives

• Identify Earth’s main internal layers and describe how their materials differ.
• Use key vocabulary (crust, mantle, outer core, inner core, density, convection, seismic waves) to explain Earth structure.
• Explain how density and heat relate to the movement of material inside Earth.

Learning Objectives

• Identify different signs that indicate a physical change has occurred
• Describe examples of physical changes from real-life scenarios
• Differentiate between physical and chemical changes based on observable signs

Learning Objectives

• Distinguish exponential growth from logistic growth using the idea of carrying capacity
• Explain how limiting factors (food, predation, disease, abiotic stress) affect population size
• Classify influences as density-dependent or density-independent+ Show more