Grade 7 Science Worksheets

Learning Objectives

• Define carrying capacity and explain its significance in ecosystems.
• Identify limiting factors that influence population sizes.
• Understand how populations stabilize at carrying capacity through resource regulation.+ Show more

Learning Objectives

• Explain how thermal conductivity, specific heat capacity, density, and phase change affect heat transfer in materials.
• Compare common Alberta construction materials using their thermal and moisture-related properties.
• Describe how porosity and moisture content change effective thermal conductivity in building assemblies.

Learning Objectives

• Understand how forces act as causes of motion changes.
• Differentiate between balanced and unbalanced forces.
• Explain how friction, air resistance, and gravity influence motion.+ Show more

Learning Objectives

• Define and distinguish among mutualism, commensalism, and parasitism.
• Identify regional examples of different symbiosis types in Alberta ecosystems.
• Explain ecological consequences of inter-species relationships on population dynamics and resource distribution.+ Show more

Learning Objectives

• Explain the particle model using the ideas of discrete particles, spaces between particles, and constant motion
• Use particle arrangements and motion to predict observable physical properties of materials
• Connect the microscopic particle model to real-world examples such as evaporation and condensation

Learning Objectives

• Describe how pure substances have uniform composition and characteristic properties such as fixed melting and boiling points.
• Distinguish elements from compounds using evidence from physical and chemical tests.
• Use property benchmarks to identify whether a sample may contain impurities or multiple constituents.

Learning Objectives

• Understand how human activities affect Earth's different spheres.
• Identify causes and effects of environmental feedback mechanisms.
• Analyze the impact of burning fossil fuels on climate and ecosystems.

Learning Objectives

• Explain how physical separation methods like density and particle size sorting can separate components in oil sands mixtures
• Identify ways temperature changes and additives can affect emulsions and dissolved organic substances
• Classify steps in bitumen extraction as physical separation or chemical treatment based on what changes at the particle level+ Show more

Learning Objectives

• Identify abiotic factors and explain how they affect living organisms in an ecosystem.
• Describe cause-and-effect relationships between resource availability and community patterns.
• Classify examples as biotic or abiotic and use evidence from a passage to support answers.

Learning Objectives

• Explain how weathering, transport, deposition, and lithification work together to form sedimentary rocks.
• Compare mechanical and chemical weathering and describe how each contributes to sediment production.
• Interpret how depositional environments influence bedding, fossils, and sedimentary structures.+ Show more

Learning Objectives

• Explain how energy availability decreases across trophic levels in a food web.
• Describe why only a fraction of ingested energy becomes biomass for the next consumer level.
• Interpret energy-flow ideas to predict patterns in food chain length and biomass.

Learning Objectives

• Understand what invasive species are and how they impact ecosystems
• Identify mechanisms by which invasive species spread and establish
• Examine ecological consequences of invasive species on native biodiversity+ Show more

Learning Objectives

• Understand how weathering breaks down rocks into sediments.
• Identify transport and depositional environments for sediments.
• Describe the processes of lithification that turn sediments into sedimentary rocks.+ Show more

Learning Objectives

• Identify observable evidence that a chemical change has occurred.
• Explain particle-level bond changes during chemical reactions.
• Distinguish chemical changes from physical changes using observations and reasoning.

Learning Objectives

• Explain how natural climate records (ice cores, sediment layers, tree rings) help scientists infer past temperature and precipitation.
• Describe how modern measurements provide evidence of recent climate trends.
• Identify major long-term climate drivers and explain how they can affect Earth’s energy balance and circulation.

Learning Objectives

• Describe the different types of heat transfer: conduction, convection, and radiation.
• Explain how energy transfers between objects during heating and cooling processes.
• Use scientific units like Joules and kilojoules to quantify energy changes.+ Show more

Learning Objectives

• Understand the processes involved in orogeny and mountain formation.
• Identify key features of mountain belts and related geological processes.
• Describe the roles of crustal shortening, uplift, and erosion in mountain evolution.+ Show more

Learning Objectives

• Identify the defining features of mutualism, commensalism, and parasitism.
• Use examples to explain how different symbiosis types affect populations over time.
• Describe how symbiotic relationships can change resource distribution and drive coevolution.

Learning Objectives

• Explain how push and pull interactions create forces that can change an object's motion
• Differentiate between contact forces and non-contact forces using examples
• Describe how net force influences acceleration (speeding up, slowing down, or changing direction)

Learning Objectives

• Explain how convection transports heat through fluid motion caused by temperature and density differences.
• Distinguish natural convection from forced convection and describe real-world examples.
• Use boundary-layer and buoyancy ideas to predict how heat transfer patterns can change with conditions.

Learning Objectives

• Understand the differences between exponential and logistic population growth models.
• Identify factors that influence population dynamics, including density-dependent and density-independent factors.
• Interpret how models predict changes in populations under various environmental conditions.+ Show more

Learning Objectives

• Define acceleration and explain how it relates to changes in velocity.
• Describe how force and mass influence acceleration in objects.
• Identify patterns of constant and changing acceleration from velocity data.+ Show more

Learning Objectives

• Understand various physical separation techniques such as filtration, decanting, evaporation, and magnetic separation.
• Identify the physical properties exploited by different separation methods.
• Analyze regional examples of separation processes and their effectiveness.+ Show more

Learning Objectives

• Identify basic components of trusses and their functions
• Outline the principles of internal force distribution within truss structures
• Recognize common truss forms used in bridges and roofs+ Show more

Learning Objectives

• Explain how tectonic processes and magmatism connect to weathering, erosion, burial, and metamorphism in the rock cycle.
• Describe how uplift and surface processes can expose rocks and restart recycling of Earth materials.
• Use the rock cycle vocabulary to interpret how regional geology and stratigraphic records form over time.

Learning Objectives

• Understand what habitat fragmentation is and how it affects ecosystems.
• Identify the consequences of habitat fragmentation on biodiversity and species survival.
• Explain the concept of landscape connectivity and its importance in ecosystems.+ Show more

Learning Objectives

• Explain how plate tectonics can cause earthquakes along faults and drive volcanic activity.
• Describe how weathering, erosion, and deposition change Earth’s surface over time.
• Use evidence such as fault features, lava flows, and sediment layers to connect geologic processes to landforms.

Learning Objectives

• Understand how invasive species outcompete native organisms and their ecological impacts.
• Identify mechanisms of invasion and their effects on food webs and nutrient cycles.
• Analyze reasons why invasive populations can expand rapidly and cause ecosystem shifts.+ Show more

Learning Objectives

• Define pure substances and distinguish between elements and compounds.
• Identify characteristic properties of pure substances such as melting point, boiling point, and density.
• Use physical and chemical tests to identify elements and compounds.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how design criteria and constraints help frame a design problem.
• Identify measurable or observable indicators of success in a design plan.
• Describe how trade-offs can affect which requirement a solution meets.

Learning Objectives

• Understand the role of traditional ecological knowledge in environmental awareness.
• Identify examples of land stewardship and species observation in Indigenous contexts.
• Explore how oral histories and place-based knowledge contribute to ecological understanding.+ Show more

Learning Objectives

• Understand the purpose of control methods in scientific experiments.
• Identify key features of a well-designed control plan.
• Explain how consistent timing and calibration contribute to reliable results.+ Show more

Learning Objectives

• Learn how substances react with oxygen based on their properties.
• Identify which materials burn easily and which do not.
• Predict possible chemical reactions during interactions with oxygen.+ Show more

Learning Objectives

• Define biodiversity, species richness, species evenness, and habitat heterogeneity from a scientific text
• Interpret what biodiversity indices can reveal about ecosystem health
• Choose the best biodiversity index to match a description

Learning Objectives

• Explain how insulation slows heat flow between environments using thermal resistance and thickness.
• Describe how material properties and construction details affect thermal bridges and comfort.
• Interpret R-values and connect them to energy efficiency and lifecycle energy use in real buildings.

Learning Objectives

• Identify observable indicators that suggest a chemical reaction has occurred.
• Describe how evidence such as gas, heat change, color change, and precipitate formation can be used to interpret reactions.
• Use accurate scientific language to explain reaction clues.

Learning Objectives

• Explain how human activities can change Earth’s spheres (atmosphere, hydrosphere, biosphere, and geosphere).
• Describe cause-and-effect relationships and identify examples of positive and negative feedbacks.
• Use evidence from a text to support claims about how environmental changes affect ecosystems.

Learning Objectives

• Identify the four Earth system spheres: atmosphere, hydrosphere, geosphere, and biosphere.
• Explain how water and gases move among spheres using cause-and-effect reasoning.
• Describe how human activities can change one sphere and affect other spheres.

Learning Objectives

• Understand how mass conservation principles are applied in reaction stoichiometry, waste accounting, and environmental mass balances.
• Identify practical examples of mass budgeting in closed systems and their significance.
• Analyze regional applications such as combustion monitoring and corrosion tests to understand mass distribution tracking.+ Show more

Learning Objectives

• Explain how building orientation affects seasonal thermal performance in Alberta’s climate zones.
• Describe how envelope assembly choices influence thermal bridging and heat loss.
• Use evidence from design strategies (e.g., south-facing glazing and heat-recovery ventilation) to predict impacts on energy demand and comfort.

Learning Objectives

• Explain how static and kinetic friction oppose motion and relate to surface contact and normal force.
• Describe aerodynamic drag and how it affects objects moving through air, including speed-related effects.
• Predict qualitatively how changing friction or drag impacts acceleration and stopping distance in real-world situations.

Learning Objectives

• Explain how data tables use consistent units and meaningful labels to organize measurements.
• Use the direction and shape of a graph to interpret trends and relationships.
• Compare groups by reading graphs accurately, including axis labels and scale.

Learning Objectives

• Identify separation methods that match a mixture’s physical properties (particle size, solubility, magnetism, or boiling point).
• Explain how filtration, decanting, evaporation, and magnetic separation separate substances without changing their chemical identity.
• Use observable results to infer what physical properties were used in a separation.

Learning Objectives

• Explain how models translate observations into representations that support predictions.
• Differentiate physical, diagrammatic, and computational models and describe how each helps predict outcomes.
• Use model assumptions to justify expected results under new conditions.

Learning Objectives

• Explain how truss members form internal force paths of tension and compression
• Use the method of joints concept to reason about forces in individual truss members
• Compare common truss forms (e.g., king post, queen post, and Pratt) by their structural efficiency and redundancy+ Show more

Learning Objectives

• Understand the importance of foundations in supporting structures
• Identify different types of structural loads such as compression, tension, and shear
• Recognize the roles of supports in ensuring stability of buildings+ Show more

Learning Objectives

• Explain what acceleration means in terms of how velocity changes over time
• Distinguish between positive and negative acceleration using the direction (sign) of velocity change
• Identify constant versus changing acceleration from patterns in velocity over time+ Show more