Grade 7 Science Worksheets

Learning Objectives

• Understand how potential and kinetic energy transfer occurs in mechanical systems.
• Identify factors such as elevation, mass, and speed that influence mechanical energy.
• Explain real-world examples of energy transfer, like sled descents and conveyor systems.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in separating bitumen from oil sands.
• Identify different methods used for physical separation based on density and particle size.
• Explain how chemical treatments and temperature adjustments influence emulsions and dissolved organics.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Explain why mass remains constant in a closed system during reactions.
• Interpret observations of sealed-container reactions to demonstrate mass conservation.+ Show more

Learning Objectives

• Understand how truss structures distribute loads through triangular members.
• Identify the concepts of internal force paths, tension, and compression in truss members.
• Evaluate the efficiency and redundancy criteria in truss designs for regional applications.+ Show more

Learning Objectives

• Understand the roles of supports, foundations, and load paths in construction.
• Explain how compression, tension, and shear forces affect different structural elements.
• Identify material properties such as stiffness, strength, and durability used in evaluating structural safety.+ Show more

Learning Objectives

• Explain how conduction transfers heat within solids and across interfaces.
• Identify materials with high and low thermal conductivity in regional infrastructure.
• Describe how material properties such as electron mobility and lattice structure affect conduction rates.+ Show more

Learning Objectives

• Understand different forms of energy and how they transform from one type to another.
• Identify real-world examples of energy transformations in Alberta's resource systems.
• Explain the principle of energy conservation during transformations.+ Show more

Learning Objectives

• Understand the principles of energy transfer modes, such as conduction, convection, and radiation.
• Analyze how energy budgets are constructed and interpreted in systems like passive solar houses and district heating loops.
• Compare system performance metrics including net heat gain, fuel energy requirements, and temperature responses.+ Show more

Learning Objectives

• Understand the factors that affect the solubility of substances.
• Explain how temperature, surface area, pressure, and agitation influence solubility.
• Apply knowledge of solubility factors to real-world examples like seasonal salt variation and de-icing procedures.+ 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

• Identify observable indicators that signify chemical reactions.
• Explain the significance of gas production, heat exchange, colour shifts, and precipitate formation in reactions.
• Relate observation patterns to reaction types and particle interactions.+ Show more

Learning Objectives

• Understand the particle model as a framework for explaining matter's properties.
• Describe particle spacing, motion, and intermolecular forces within the model.
• Relate micro-scale particle arrangements to observable macro-scale properties like density, pressure, and compressibility.+ Show more

Learning Objectives

• Understand different methods of systems modeling, including diagrams, models, and quantitative representations.
• Identify examples of systems models such as free-body diagrams, circuit schematics, and block diagrams.
• Explain how models simplify real systems and discuss their limitations for predictive analysis.+ Show more

Learning Objectives

• Understand the concepts of kinetic and potential energy through everyday examples.
• Explain how height and motion relate to different energy forms.
• Describe energy transfer processes in common systems like pendulums and roller coasters.+ Show more

Learning Objectives

• Understand the concept of net force and how it influences motion.
• Learn to interpret free-body diagrams for systems like elevator, tug-of-war, and loaded carts.
• Apply vector addition principles to resolve forces in one dimension.+ Show more

Learning Objectives

• Understand the concept of average speed and how it differs from instantaneous speed.
• Learn to perform simple one-step speed calculations using distance and time data.
• Convert speed units between meters per second and kilometers per hour.+ Show more

Learning Objectives

• Understand the three fundamental laws of motion described by Newton.
• Identify real-world phenomena that illustrate inertia, acceleration, and action–reaction pairs.
• Connect qualitative descriptions of force and motion with simple algebraic relationships.+ Show more

Learning Objectives

• Understand the conventions used in technical communication including drawings, symbols, and documentation.
• Identify the purpose and components of standardized units, labels, and schematic diagrams.
• Explain the importance of clarity, scale, and unambiguous dimensioning in technical documents.+ Show more

Learning Objectives

• Understand the concept of chemical reactions as processes that produce new substances.
• Identify common indicators of chemical reactions, including gas evolution, precipitate formation, color change, and temperature change.
• Connect observable evidence of reactions to underlying mass and energy changes.+ Show more

Learning Objectives

• Understand the forces of friction and gravity and how they affect motion.
• Explain how surface roughness influences resistance between objects.
• Describe the effects of gravity on objects in free fall and on inclined planes.+ Show more

Learning Objectives

• Describe the processes involved in energy transfer within the atmosphere.
• Explain the formation and movement of air masses and wind patterns.
• Identify key atmospheric circulation cells such as the Hadley cell.+ Show more

Learning Objectives

• Understand the properties of timber, steel, and reinforced concrete under different load conditions.
• Compare material behavior under compression, tension, and bending in structural applications.
• Analyze how environmental factors like frost and snow affect material performance in load-bearing structures.+ Show more

Learning Objectives

• Understand the criteria used to assess species' conservation risk.
• Interpret evidence such as population trends and threats to determine conservation status.
• Recognize examples of species at risk, including provincial cases like the swift fox and at-risk plants.+ Show more

Learning Objectives

• Understand the principles of convection and how it transports heat in fluids.
• Identify natural and forced convection examples in environmental and engineered systems.
• Analyze flow patterns, boundary layers, and buoyancy forces in convection processes.+ Show more

Learning Objectives

• Explain the processes of diffusion and osmosis and how they differ.
• Describe how concentration gradients drive passive transport in cells.
• Identify factors affecting the rates of diffusion and osmosis.+ Show more

Learning Objectives

• Understand the concept of ecological succession and its stages
• Differentiate between primary and secondary succession
• Identify the key drivers influencing succession+ Show more

Learning Objectives

• Understand the causes of urban heat island phenomena and their effects on microclimates.
• Identify various mitigation strategies to reduce urban heat and their benefits.
• Analyze the impact of urban heating on energy consumption, air quality, and outdoor comfort.

Learning Objectives

• Understand the analytical indicators used to assess material purity.
• Identify methods to detect contamination in chemical samples.
• Compare different techniques such as melting points, conductivity, and gravimetric analysis.+ Show more

Learning Objectives

• Understand the fundamental concepts of thermal energy and temperature.
• Distinguish between internal energy and temperature as measures of particle movement.
• Identify common sources of thermal energy in natural and built environments.+ Show more

Learning Objectives

• Understand the process of ecological inquiry including hypothesis framing and data interpretation.
• Recognize the role of measurable variables and evidence in ecological studies.
• Apply critical thinking to analyze ecological data and consider natural variability.+ Show more

Learning Objectives

• Identify the key hydrological, chemical, and biological functions of wetlands.
• Understand how wetlands contribute to ecosystem services like water storage, nutrient cycling, and habitat provision.
• Differentiate among various wetland types such as peatlands and marshes and their specific functions.+ Show more

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 the hierarchical levels of biological organization from individuals to the biosphere.
• Identify roles of producers, consumers, and decomposers within food webs.
• Explain how energy flows through trophic levels and impacts ecosystem stability.+ Show more

Learning Objectives

• Understand different types of data representations such as tables and graphs.
• Interpret trends and relationships from graphical data displays.
• Select appropriate graph types for different data sets.+ Show more

Learning Objectives

• Develop skills to critically analyze explanations, models, and evidence.
• Identify logical fallacies, distinguish correlation from causation, and evaluate data limitations.
• Apply evaluation techniques to real-world scientific scenarios and interpret conflicting information.

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 the different types of adaptations: morphological, physiological, and behavioral.
• Identify examples of adaptations and explain how they enhance survival in specific environments.
• Distinguish adaptations from acclimations and understand the concept of trade-offs.+ Show more

Learning Objectives

• Understand the importance of measurement precision and uncertainty in scientific observations.
• Learn how to properly calibrate and select measurement instruments for accurate data collection.
• Develop skills in estimating measurement uncertainty and propagating errors in calculations.+ Show more

Learning Objectives

• Understand the key components of the scientific inquiry process.
• Distinguish between quantitative and qualitative observations in experiments.
• Select appropriate metric units and instruments for measuring length, mass, and volume.+ Show more

Learning Objectives

• Explain the principles of mass conservation and their importance in chemical and environmental systems.
• Identify real-world applications of mass conservation in reaction stoichiometry and environmental monitoring.
• Describe how mass budgets and balances are used in closed or near-closed systems.+ Show more

Learning Objectives

• Explain how energy is transferred through conduction, convection, and radiation.
• Relate thermal energy flow to temperature gradients, specific heat, and phase changes.
• Identify observable phenomena resulting from different heat transfer mechanisms.+ Show more

Learning Objectives

• Understand the law of conservation of mass and its fundamental principles.
• Apply mass accounting to chemical and physical processes in closed systems.
• Recognize how balancing chemical equations relates to mass conservation.+ Show more

Learning Objectives

• Understand the different types of physical and chemical properties used to classify substances.
• Identify and distinguish elements, compounds, and mixtures based on measurable attributes.
• Apply property-based classification techniques to practical examples like conductivity and magnetism.+ Show more

Learning Objectives

• Understand the difference between homogeneous and heterogeneous mixtures.
• Describe common physical separation methods such as filtration, distillation, chromatography, and magnetic separation.
• Relate properties like solubility, particle size, and boiling point differences to the choice of separation method.+ Show more

Learning Objectives

• Understand the differences between ionic and covalent bonding.
• Relate bonding types to properties like melting point, solubility, and electrical conductivity.
• Describe how simple binary ionic salts and molecular compounds form using empirical formulas.+ Show more

Learning Objectives

• Understand the importance of safety standards in technological design.
• Identify key safety considerations such as building codes, electrical safety, and safety margins.

Learning Objectives

• Understand how physical properties change with scale in prototypes and models.
• Analyze the concepts of surface-to-volume ratios, square-cube law, and Reynolds number in scaled systems.
• Predict performance differences and limitations of using scaled models in engineering and biology.+ Show more

Learning Objectives

• Understand the composition of atoms in terms of protons, neutrons, and electrons
• Explain the relationship between atomic number, mass number, and element identity
• Identify isotopes and describe how they differ from the original element+ Show more