Grade 7 Science Worksheets

Learning Objectives

• Explain how the particle model describes matter using discrete particles, spaces, and motion.
• Use particle motion and arrangement to predict and describe physical changes between states of matter.
• Connect microscopic particle behavior to observable phenomena such as diffusion, evaporation, and condensation.

Learning Objectives

• Explain specific heat capacity as the energy needed to raise the temperature of 1 gram of a substance by 1°C
• Use Q = m c ΔT to calculate thermal energy changes using correct units
• Interpret temperature change (ΔT) and relate sign of ΔT to heating or cooling

Learning Objectives

• Explain how traditional ecological knowledge (TEK) supports understanding of seasonal cycles and ecological relationships.
• Identify how oral histories and place-based knowledge can help interpret habitat indicators and species interactions.
• Compare how different knowledge systems can complement one another when studying long-term environmental patterns.

Learning Objectives

• Explain how material properties such as strength, stiffness, density, and environmental resilience affect structural design
• Describe how materials behave under compression, tension, and bending and how this influences long-term performance
• Compare timber, structural steel, and reinforced concrete for use in load-bearing prairie and cold-climate applications

Learning Objectives

• Explain how gravity provides the centripetal force that keeps objects moving in curved orbital paths
• Compare circular and elliptical orbits using the idea of continuously changing direction
• Describe how inertia and gravity work together to keep planets bound to the Sun or orbiting companions+ Show more

Learning Objectives

• Describe how distance, time, and speed are related and used to study motion.
• Calculate average speed using the formula distance ÷ time and interpret what units mean.
• Identify common sources of measurement error and explain how they affect speed calculations.+ Show more

Learning Objectives

• Explain how supports, foundations, and load paths work together to keep structures stable.
• Describe how compression, tension, and shear forces affect common structural members like beams and columns.
• Connect material properties (stiffness, strength, durability) to safety and suitability under typical Alberta wind and snow loads.

Learning Objectives

• Explain how the particle model describes matter as atoms and molecules in constant motion
• Use the particle model to describe what happens during chemical changes (bond breaking and forming)
• Predict why total mass is conserved in a closed system during chemical reactions

Learning Objectives

• Explain how active transport moves substances against concentration gradients using cellular energy
• Identify roles of membrane proteins (pumps) and ATP in active transport
• Describe how vesicular transport (endocytosis and exocytosis) supports cell functions

Learning Objectives

• Explain how conduction, convection, radiation, and storage/thermal mass affect energy budgets in a system.
• Use conservation principles to connect net heat gain to energy performance in passive solar and district energy contexts.
• Interpret and compare metrics such as required fuel energy and predicted temperature response using integrated reasoning.+ Show more

Learning Objectives

• Identify the main parts and functions of simple machines (lever, pulley, wedge, screw, inclined plane, wheel-and-axle).
• Explain mechanical advantage as the relationship between input force and output force.
• Calculate mechanical advantage for ideal simple machines using force ratios or distance reasoning.+ Show more

Learning Objectives

• Explain how push and pull forces can change an object's state of motion
• Distinguish between contact forces and non-contact forces using real-world examples
• Describe how net force relates to acceleration in qualitative terms

Learning Objectives

• Explain how wetlands regulate water by storing, buffering, and slowly releasing water.
• Describe how wetlands cycle nutrients and improve water quality through biological and chemical processes.
• Identify how different wetland types (peatlands vs. marshes) provide habitat and support biodiversity.+ Show more

Learning Objectives

• Identify qualitative indicators of chemical reactions (gas production, heat change, colour change, precipitate formation).
• Describe observation patterns accurately using scientific vocabulary and cause-and-effect reasoning.
• Connect observable evidence to possible particle interactions and mass changes in a chemical process.

Learning Objectives

• Explain how system models represent energy inputs, useful outputs, and waste heat
• Use energy flow diagrams to trace energy transformations and account for conservation of energy
• Identify dominant loss mechanisms by comparing useful output to total input+ Show more

Learning Objectives

• Explain how density differences caused by temperature variations drive convection in fluids
• Differentiate natural convection from forced convection and identify where each occurs in real systems
• Describe how boundary layers and buoyancy affect flow patterns and heat transfer+ Show more

Learning Objectives

• Explain how radiant transfer moves energy using electromagnetic waves without direct contact.
• Describe how solar intensity, absorptivity, and emissivity affect net radiative heating or cooling.
• Compare how different surfaces (e.g., roofs, vegetation, and snow) influence daytime warming and nocturnal cooling.

Learning Objectives

• Explain how static and kinetic friction oppose relative motion between touching surfaces
• Describe how aerodynamic drag opposes motion through air and increases with speed
• Use qualitative reasoning to predict how changing surface texture, normal force, and air conditions affect acceleration and stopping distance+ Show more

Learning Objectives

• Identify the roles of tension and compression in truss members using qualitative reasoning
• Explain how the method of joints uses equilibrium at joints to infer member forces
• Compare common truss forms (Pratt, Warren, Howe) in terms of where tension and compression tend to occur+ Show more

Learning Objectives

• Identify observable evidence of a chemical change such as gas formation, color change, precipitate formation, temperature change, and odor change.
• Explain chemical changes at the particle level by focusing on bonds breaking and bonds forming to create new substances.
• Distinguish chemical changes from physical changes using evidence-based reasoning.

Learning Objectives

• Define carrying capacity and explain why it limits population growth in ecosystems
• Identify limiting factors and describe how they affect population size over time
• Use evidence from scenarios to predict population changes when a habitat is below or above carrying capacity

Learning Objectives

• Understand the key factors that influence climate change over time.
• Identify how natural and human activities affect climate patterns.
• Analyze cause-and-effect relationships related to climate drivers.+ Show more

Learning Objectives

• Understand the difference between closed and open systems in terms of matter transfer.
• Explain how mass is conserved in closed systems during reactions.
• Identify examples of closed and open systems in real-world contexts.+ Show more

Learning Objectives

• Explain the process of decomposition and how nutrients are recycled in ecosystems.
• Identify roles of detritivores, fungi, bacteria, and abiotic factors in decomposition.
• Understand the transformations of carbon and nitrogen during decomposition.+ Show more

Learning Objectives

• Understand how simple systems and mechanisms transfer motion and force.
• Identify different types of mechanisms like gears, pulleys, and levers.
• Explain how connecting components in a system clarifies energy transfer and performance.+ Show more

Learning Objectives

• Understand the processes involved in orogeny and mountain formation.
• Identify key features and landforms associated with mountain belts.
• Explain how crustal deformation and surface processes shape mountain architecture.+ Show more

Learning Objectives

• Understand the role of the nucleus in a cell's activities.
• Identify components of the nucleus such as chromosomes, nuclear envelope, and nuclear pores.
• Describe how the nucleus controls cell growth, development, and protein synthesis.+ Show more

Learning Objectives

• Understand how structural, behavioral, and functional adaptations support survival.
• Identify examples of adaptations that facilitate life processes like protection and water regulation.
• Explain trade-offs involved in functional traits and their impact on survival.+ Show more

Learning Objectives

• Summarize human impacts on ecosystems, including habitat alteration, pollution, resource extraction, and introduction of non-native species.
• Describe consequences of human activities for species and ecosystem functions.
• Explain principles of stewardship such as mitigation, habitat protection, restoration, and monitoring.+ Show more

Learning Objectives

• Understand how disturbances influence ecosystems and habitats.
• Identify different types of disturbances and their effects on species.
• Analyze cause-and-effect relationships related to environmental disturbances.+ Show more

Learning Objectives

• Understand how magma composition influences landform creation during volcanic activity.
• Identify different types of volcanic structures and their formation processes.
• Explain the relationship between tectonic settings and volcanic landforms.+ Show more

Learning Objectives

• Understand how test results inform design modifications.
• Identify specific weaknesses in performance data.
• Connect evidence from data to targeted design changes.+ Show more

Learning Objectives

• Understand the mechanisms of active transport and how it differs from passive diffusion.
• Identify the roles of cellular energy and membrane proteins in transporting molecules.
• Explain the function of the sodium-potassium pump in maintaining cell stability.+ Show more

Learning Objectives

• Understand the differences between mixtures and pure substances.
• Identify observable traits that indicate whether a substance is a mixture or pure.
• Learn separation techniques like filtration, evaporation, and distillation.+ Show more

Learning Objectives

• Explain the processes involved in the rock cycle and how they are interconnected.
• Identify key forces such as tectonics and surface agents that influence rock transformation.
• Describe how surface processes like erosion and weathering contribute to sedimentary recycling.+ Show more

Learning Objectives

• Understand the concept of trophic levels in an ecological food chain.
• Explain how energy transfer efficiency affects ecosystem productivity.
• Identify factors influencing trophic efficiency in different environments.+ Show more

Learning Objectives

• Understand the key processes that shape landscapes over time.
• Identify the roles of tectonic uplift, volcanic activity, and surface erosion.
• Describe how climate influences weathering and material transport.+ Show more

Learning Objectives

• Define metamorphism and describe how it alters rocks without melting.
• Differentiate between contact and regional metamorphism.
• Identify key mineral assemblages and textures associated with metamorphic rocks.+ Show more

Learning Objectives

• Understand the intrinsic properties that affect material thermal behavior.
• Compare different construction materials based on thermal conductivity, heat capacity, and density.
• Analyze how porosity, moisture, and layered assemblies influence thermal conductivity.+ Show more

Learning Objectives

• Identify observable signs of chemical change such as gas formation, color change, temperature change, precipitate formation, and irreversible transformation.
• Understand that multiple indicators together strengthen evidence of a chemical change.
• Describe measurement methods that confirm chemical changes occur.

Learning Objectives

• Understand the different types of mixtures: solutions, colloids, and suspensions.
• Identify examples of each mixture type based on particle size and behaviour.
• Explain how mixture properties influence separation methods.+ Show more

Learning Objectives

• Understand the concepts of instrumentation calibration and measurement uncertainty in temperature sensing.
• Identify different types of temperature sensors and their performance characteristics.
• Interpret temperature measurements within stated uncertainties and recognize common error sources.+ Show more

Learning Objectives

• Understand the concept of ecological succession and its stages.
• Differentiate between primary and secondary succession.
• Identify key drivers that influence succession such as soil development and species dispersal.+ Show more

Learning Objectives

• Understand hazards and risks associated with laboratory and field activities.
• Learn to interpret safety data sheets and hazard classifications.
• Identify appropriate mitigation strategies and controls for safety.+ Show more

Learning Objectives

• Understand systematic data recording methods including tabular formats and metadata standards.
• Identify appropriate units, consistent headings, and timestamp conventions in time-series data.
• Recognize the importance of observational logs, sampling frame documentation, and replication records.+ Show more

Learning Objectives

• Understand the principle of simple distillation and its applications in separating liquids.
• Identify factors affecting the efficiency of distillation, such as boiling point differences.
• Explain the limitations of simple distillation with close-boiling mixtures and azeotropes.+ Show more

Learning Objectives

• Understand the concept of biodiversity indices such as species richness and evenness.
• Interpret diversity values across different habitats and their ecological implications.
• Recognize relationships among habitat heterogeneity, niche diversity, and species turnover.+ Show more

Learning Objectives

• Understand the fundamentals of engineering design, including problem definition, criteria, and constraints.
• Learn how to develop specifications, use trade-off matrices, and evaluate feasibility in design projects.
• Explore how iterative refinement enhances problem-solving in mechanical systems and environmental prototypes.+ Show more