Grade 7 Science Worksheets

Learning Objectives

• Explain how system models trace energy pathways and transformations in mechanical and industrial contexts.
• Use energy accounting to identify inputs, useful outputs, and waste (thermal) losses in a system.
• Interpret energy flow diagrams (including Sankey-style ideas) to calculate and compare conversion efficiencies.

Learning Objectives

• Explain how separation methods use differences in physical properties to separate mixtures
• Identify which separation method best matches a mixture based on properties such as size, solubility, magnetism, and boiling point
• Connect observable outcomes (what remains or what collects) to the underlying classification of the mixture components

Learning Objectives

• Understand different material properties such as strength, stiffness, and density.
• Identify how timber, steel, and concrete behave under various forces.
• Analyze the importance of material choice in construction, especially in cold climates.+ Show more

Learning Objectives

• Explain how test results guide specific design revisions using success criteria and evidence.
• Identify examples of design changes that improve performance while respecting constraints (safety, materials, and cost).
• Describe how to justify revisions by linking measurements to the cause of failure and expected improvement.

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Identify observations that demonstrate mass remains constant in sealed systems.
• Explain how atoms are conserved during chemical reactions and phase changes.+ Show more

Learning Objectives

• Explain how conservation of mass applies to closed-system chemical reactions.
• Use mass accounting to relate reactant masses to product masses.
• Interpret theoretical vs. measured mass distributions to assess reaction completeness.+ Show more

Learning Objectives

• Understand the principle of calorimetry and how it measures energy exchange.
• Explain how temperature changes relate to heat transfer in calorimetric experiments.
• Identify real-world applications of calorimetry in thermal scenarios relevant to Alberta.+ Show more

Learning Objectives

• Explain how traditional ecological knowledge (TEK) is based on long-term observations and community learning.
• Describe how oral histories and place-based knowledge can support understanding of species interactions and seasonal cycles.
• Identify examples of stewardship that help maintain healthy ecosystems in Alberta and beyond.+ Show more

Learning Objectives

• Explain equilibrium as having zero net force and describe how it affects an object’s motion
• Identify common force pairs (such as gravity and normal force) and state whether they are balanced or unbalanced
• Interpret and describe free-body diagrams using arrow direction and relative length+ Show more

Learning Objectives

• Explain how patterns, variability, and measurement quality affect interpretations of test data.
• Describe what reliability means and how repeated measurements reduce uncertainty.
• Identify common sources of error (tool limits, inconsistent starting conditions, human reading errors) and how they change confidence in conclusions.+ Show more

Learning Objectives

• Explain how competition, predation, and mutualism affect population sizes and community composition.
• Describe how niches and resource use influence whether species coexist or face competitive exclusion.
• Use evidence from scenarios to identify interaction types and predict possible outcomes.

Learning Objectives

• Explain how producers capture energy through photosynthesis and form the base of energy pyramids.
• Distinguish between primary, secondary, and tertiary consumers based on what they eat.
• Describe why energy transfer between trophic levels is inefficient and how this limits population sizes.+ Show more

Learning Objectives

• Explain how kinetic and potential energy are related through energy transfer in mechanical systems.
• Use conservation of mechanical energy to predict how changes in height, mass, and speed affect motion (ignoring friction).
• Describe how safety and structural loading depend on how energy changes with speed and elevation.

Learning Objectives

• Explain how the law of conservation of mass applies to closed or near-closed systems
• Use mass budgeting ideas to relate reactants, products, and measurable masses in reaction and environmental contexts
• Interpret differences between measured and expected mass outcomes using conservation-based reasoning+ Show more

Learning Objectives

• Identify and describe major reaction types (synthesis, decomposition, displacement, acid–base neutralization, and combustion).
• Explain how atoms and mass are conserved when reactants form products.
• Match common chemical reactions to their correct reaction type using particle-level reasoning.

Learning Objectives

• Explain how seasonal solar energy input and surface properties (like snow cover) affect temperatures and energy budgets.
• Describe how energy transformations (radiative, sensible, and latent heat) drive freeze-thaw dynamics, snowpack insulation, and lake stratification.
• Interpret how energy storage and release during the seasons influences ecosystems in different regions.

Learning Objectives

• Understand how physical and chemical properties influence material suitability for different applications.
• Identify key properties such as corrosion resistance, hardness, melting point, solubility, and reactivity.
• Analyze how properties like chemical stability, density, and strength impact environmental and structural decisions.+ Show more

Learning Objectives

• Explain how changes in temperature, rainfall, light, and habitat structure can alter ecosystem resources and survival rates
• Describe how water quality changes and pollution can affect organism growth and mortality
• Analyze how changes in a key species can shift interactions like predation, competition, and symbiosis+ Show more

Learning Objectives

• Explain how physical, chemical, and biological weathering break down rock at Earth’s surface
• Describe how freeze-thaw cycles and other mechanisms lead to rock fragmentation
• Connect soil formation and differential weathering to landscape change and erosion risk+ Show more

Learning Objectives

• Understand different types of scientific models: physical, diagrammatic, and computational.
• Learn how models help in predicting natural phenomena.
• Explore the relationship between models and real-world observations.+ Show more

Learning Objectives

• Explain how system models trace energy pathways and identify where energy is transformed or transferred.
• Use energy accounting to relate energy inputs, useful outputs, and waste heat in mechanical and industrial systems.
• Interpret Sankey-style energy flow diagrams to estimate efficiency and dominant loss mechanisms.+ Show more

Learning Objectives

• Understand how tectonic uplift influences landscape formation.
• Identify the processes involved in landscape changes over geologic time.
• Explain the roles of erosion, weathering, and sediment transport in shaping topography.

Learning Objectives

• Understand the concept of habitat protection and its importance in conservation.
• Identify different strategies used to conserve ecosystems and biodiversity.
• Learn how habitat restoration and species management support ecological balance.+ Show more

Learning Objectives

• Identify physical properties of matter and explain how they can be observed or measured.
• Connect changes in heating (melting and boiling) to physical properties of substances.
• Use properties such as magnetism, conductivity, and solubility to predict and distinguish substances.

Learning Objectives

• Understand the characteristics that define wetlands.
• Recognize the important ecological functions wetlands perform.
• Identify examples of wetland types such as peatlands and marshes.+ Show more

Learning Objectives

• Explain how the law of conservation of mass applies to closed and near-closed systems in science investigations
• Use mass-balance reasoning to compare measured and expected masses in practical scenarios
• Identify how reaction stoichiometry and waste accounting rely on conservation of mass+ Show more

Learning Objectives

• Explain how solubility changes with temperature for solids in liquids and with pressure for gases
• Describe how agitation and particle size affect the rate of dissolving and sometimes the amount dissolved
• Use evidence from examples (such as salts in lakes and road salt) to predict solubility outcomes under new conditions

Learning Objectives

• Identify various surface processes that shape Earth's landscape.
• Understand how landforms provide evidence of Earth's surface changes.
• Explain the role of external and internal processes in landform development.+ Show more

Learning Objectives

• Understand different types of population interactions such as competition, predation, and mutualism.
• Identify examples of competition in natural environments.
• Explain how competition influences species survival and community composition.+ Show more

Learning Objectives

• Identify different forms of energy such as mechanical, chemical, electrical, and thermal
• Understand how energy transforms from one form to another
• Recognize real-world examples of energy transformation+ Show more

Learning Objectives

• Understand how observable physical and chemical properties influence material selection for specific applications.
• Learn to match material properties such as corrosion resistance, hardness, melting point, solubility, and reactivity to application requirements.
• Recognize the importance of chemical stability, density, and strength in structural and environmental decision-making.+ Show more

Learning Objectives

• Explain how insulation reduces heat transfer between inside and outside environments.
• Relate R-value, thickness, and construction details to thermal resistance and comfort.
• Describe how thermal bridges and air leaks can increase heat flow even when insulation is present.+ Show more

Learning Objectives

• Describe lithospheric plates and how they move on the mantle
• Explain how divergent, convergent, and transform boundaries differ
• Connect plate boundary interactions to earthquakes, volcanoes, and mountain building+ Show more

Learning Objectives

• Define physical change and explain how it differs from chemical change at the particle level.
• Classify common physical changes, including phase changes and shape/appearance changes.
• Use reversible evidence (changing conditions) to justify why a change is physical.

Learning Objectives

• Define and identify physical changes in matter.
• Differentiate between physical and chemical changes.
• Recognize common examples of physical changes.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how internal processes (uplift, deformation, earthquakes, volcanism) can change Earth’s surface
• Describe how external processes (erosion and deposition by water and wind) shape landforms
• Identify evidence of past surface processes using rock strata, landform patterns, and hazard history

Learning Objectives

• Explain that mass is conserved in a closed system during physical or chemical changes
• Use reactants and products to predict that total mass before and after remains equal
• Interpret sealed-container observations to support conservation of mass+ Show more

Learning Objectives

• Explain how conservation of mass applies to reactions occurring in a closed system
• Use mass accounting ideas to connect the masses of reactants to the masses of products
• Identify sources of error when measured masses do not match conservation of mass expectations+ Show more

Learning Objectives

• Identify different types of symbiotic relationships in ecosystems.
• Describe mutualism, commensalism, and parasitism using regional examples.
• Understand ecological impacts of these relationships on community dynamics.

Learning Objectives

• Understand the processes of erosion by water and how it shapes landscapes.
• Identify the distinctive features caused by water erosion such as valleys and graded beds.
• Recognize the agents involved in erosion and the patterns they produce.+ Show more

Learning Objectives

• Understand how particle movement relates to temperature
• Identify different ways heat is transferred
• Recognize environmental examples of thermal exchange

Learning Objectives

• Identify and describe ecological levels of organization from individuals to ecosystems
• Explain how higher-level patterns (population, community, ecosystem) can’t be predicted from individual traits alone
• Use examples (such as trout in Alberta waters) to distinguish levels by their properties and processes

Learning Objectives

• Understand how lever classes and pulley systems modify effort and direction of applied forces.
• Explain the concepts of torque, fulcrum placement, and mechanical advantage in simple terms.
• Calculate ideal mechanical advantage for common lever and pulley setups using basic arithmetic.+ Show more

Learning Objectives

• Explain the concepts of particle kinetic and potential energy during phase changes.
• Describe how latent heat phenomena are involved in melting, freezing, evaporation, and condensation.
• Interpret microscopic particle interactions in terms of macroscopic energy changes.+ Show more

Learning Objectives

• Define solution concentration as the amount of solute relative to solvent and explain why concentration matters.
• Use and interpret concentration measures such as mass percent and grams per litre.
• Predict how changing concentration can affect physical properties like freezing point and boiling point.

Learning Objectives

• Explain how scientific claims are supported by evidence using a clear chain from observations to reasoning.
• Evaluate arguments for consistency between stated quantities and what data actually show.
• Use scientific principles to justify why evidence supports a claim while avoiding unsupported cause-and-effect.

Learning Objectives

• Explain the role of calorimetry and energy conservation in predicting heat transfer.
• Use q = m · c · ΔT to relate temperature changes to energy transfer in joules.
• Identify how heat flows during melting, heating, and heat losses in real-world thermal scenarios.