Grade 7 Science Worksheets

Learning Objectives

• Identify the different types of symbiosis: mutualism, commensalism, and parasitism.
• Describe specific examples of each symbiosis type in Alberta ecosystems.
• Explain ecological consequences of symbiotic relationships on populations and resource distribution.+ Show more

Learning Objectives

• Understand different methods used to separate matter based on properties.
• Identify physical changes versus chemical changes in matter.
• Describe how density and solubility differences aid in separation techniques.+ Show more

Learning Objectives

• Explain energy transformations using the idea that total energy is conserved.
• Identify common forms of energy (mechanical, chemical, electrical, and thermal) and describe how they change during real processes.
• Use simple energy bookkeeping to predict what energy form increases or decreases in a system.

Learning Objectives

• Identify and explain key thermal behavior factors such as conductivity, specific heat, and density.
• Compare different common Alberta construction materials based on their thermal properties.
• Understand how porosity, moisture, and layered assemblies influence thermal resistance.+ Show more

Learning Objectives

• Understand different types of geologic change hazards and their causes.
• Identify safety measures and preparedness strategies for geologic hazards.
• Analyze the impact of earthquakes, volcanoes, and landslides on communities.+ Show more

Learning Objectives

• Explain how Earth’s lithospheric plates move and how their boundaries affect surface features.
• Compare divergent, convergent, and transform boundaries in terms of earthquakes, volcanoes, and landforms.
• Use plate motion and plate geometry to describe changes in continents and ocean basins over geologic time.

Learning Objectives

• Describe what happens to particles during melting.
• Explain how energy transfer affects particle movement in phase changes.
• Identify examples of phase energy from real-life scenarios.+ Show more

Learning Objectives

• Explain how habitat fragmentation divides ecosystems and changes species interactions.
• Describe how edge effects alter microclimate and increase risks from predators and invasive species.
• Analyze how reduced connectivity affects dispersal, gene flow, and extinction risk.+ Show more

Learning Objectives

• Understand the role of producers in ecosystems
• Identify different types of consumers
• Explain how energy transfers between trophic levels+ Show more

Learning Objectives

• Understand the difference between mixtures and pure substances.
• Identify properties that distinguish heterogeneous and homogeneous mixtures.
• Learn physical methods used to separate different types of mixtures.

Learning Objectives

• Understand the differences between exothermic and endothermic reactions.
• Identify signs of energy change during chemical reactions.
• Describe how energy is absorbed or released during bond breaking and formation.+ Show more

Learning Objectives

• Define what a closed system is.
• Identify examples of closed and open systems.
• Explain the significance of system boundaries in science.+ Show more

Learning Objectives

• Understand the different types of chemical reactions: synthesis, decomposition, single and double displacement, acid–base neutralization, and combustion.
• Identify reaction types based on descriptions and examples.
• Explain how atoms rearrange during chemical reactions at the particle level.

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions.
• Explain how atoms are rearranged during reactions without creating or destroying matter.
• Identify real-world examples where the conservation of mass applies.

Learning Objectives

• Define and describe the concepts of density and melting point.
• Compare and contrast the physical properties of different substances based on density and melting point.
• Recognize the importance of physical properties in identifying and separating materials.

Learning Objectives

• Understand the physical properties of solids.
• Identify how particles are arranged in solids.
• Learn how temperature and pressure affect the state of matter.

Learning Objectives

• Define what a physical change is.
• Identify examples of physical changes in everyday life.
• Distinguish between physical and chemical changes.

Learning Objectives

• Learn the basic concepts of mass and why accurate measurement is important in science.
• Identify different tools used to measure mass and understand their functions.
• Explore how conservation of mass applies during chemical changes and physical processes.

Learning Objectives

• Identify physical and chemical properties of substances
• Understand how properties indicate reactivity
• Predict possible chemical reactions based on properties+ Show more

Learning Objectives

• Identify key variables in a calorimetry situation (mass, temperature change, and specific heat) and explain what each one means
• Relate rising or falling temperature to heat absorbed or released in a calorimetry setup

Learning Objectives

• Identify physical properties that can be measured to help classify and sort substances.
• Explain how density and solubility describe materials and how they support separating mixtures.
• Use physical property information to make predictions about materials in real-world situations.

Learning Objectives

• Understand the difference between mixtures and pure substances.
• Identify the types of mixtures: homogeneous and heterogeneous.
• Learn how physical properties enable separation methods like filtration, evaporation, and distillation.+ Show more

Learning Objectives

• Describe the structure of Earth's outer shell and its division into plates.
• Identify and explain the three main types of plate boundaries: divergent, convergent, and transform.
• Understand how plate movements influence geological features like earthquakes, volcanoes, and mountain ranges.+ Show more

Learning Objectives

• Identify different types of rocks based on their features
• Understand how igneous, sedimentary, and metamorphic rocks form
• Recognize key characteristics of each rock type+ Show more

Learning Objectives

• Understand the geological processes involved in mountain formation
• Identify different types of tectonic plate movements
• Analyze the role of erosion and uplift in shaping mountains

Learning Objectives

• Understand how deposition contributes to landform development.
• Identify features of a delta and explain the deposition process.
• Recognize different depositional environments and sediment characteristics.

Learning Objectives

• Explain how comparing mass of reactants and products helps test the conservation of mass in chemical reactions.
• Describe how closed systems and accurate system boundaries affect measured mass changes.
• Use measurement concepts like precision, accounting for gases, and dissolved species to interpret apparent mass loss.

Learning Objectives

• Explain what trophic efficiency measures and why it is important in ecosystems.
• Describe how energy diminishes through trophic levels in an energy pyramid.
• Analyze reasons why top predators are fewer in number within ecological communities.+ Show more

Learning Objectives

• Understand the principles of fair testing in scientific experiments.
• Identify appropriate measurement tools and units for testing variables.
• Explain how consistent measurement allows valid comparisons of results.+ Show more

Learning Objectives

• Understand how simple systems and mechanisms transfer motion and force.
• Identify components like gears, pulleys, levers, and linkages in mechanisms.
• Explain how connecting components affect performance, such as gear ratios.+ Show more

Learning Objectives

• Understand how patterns and variability influence data interpretation.
• Identify sources of error and their impact on measurement reliability.
• Evaluate the quality of data based on measurement consistency.+ Show more

Learning Objectives

• Understand the concept of design criteria and how they guide project development.
• Identify measurable and observable criteria in design solutions.
• Analyze trade-offs when meeting multiple design constraints.+ Show more

Learning Objectives

• Understand how physical and chemical properties can be used to predict chemical reactions.
• Identify properties such as reactivity with oxygen, acidity, flammability, and solubility.
• Learn to anticipate products and energy changes based on known property trends.+ Show more

Learning Objectives

• Understand the concept of trophic efficiency and its role in energy transfer.
• Identify factors that lead to energy loss at each trophic level.
• Interpret energy pyramids and their significance in ecosystems.+ Show more

Learning Objectives

• Understand the different types of population interactions such as competition, predation, and mutualism.
• Identify how resource partitioning, habitat differentiation, and temporal separation allow species to coexist.
• Analyze the impact of interactions on community stability and diversity.+ Show more

Learning Objectives

• Explain how structural and behavioral adaptations link form to function in living things.
• Identify examples of adaptations that support life processes such as gas exchange, protection, and water regulation.
• Describe how trade-offs can constrain the performance of traits in different conditions.

Learning Objectives

• Understand the thermal properties of common building materials.
• Compare the thermal resistance and structural considerations of fiberglass, spray foam, wood framing, and masonry.
• Identify how porosity, moisture content, and layer configurations affect conductivity.+ Show more

Learning Objectives

• Understand how integrated systems analyze force, machine function, and structural evaluation.
• Compare alternative designs based on criteria such as mechanical advantage, material choice, and safety.
• Synthesize motion data, mechanical calculations, and structural assessments to support design choices.+ Show more

Learning Objectives

• Identify key signs indicating a physical change has occurred.
• Differentiate between physical and chemical changes based on observable indicators.
• Explain particle behavior during physical changes using real-world examples.+ Show more

Learning Objectives

• Explain how producers capture energy through photosynthesis and why they form the base of energy pyramids.
• Differentiate between primary, secondary, and tertiary consumers based on what they eat.
• Describe why energy transfer between trophic levels is inefficient and how that affects population sizes.

Learning Objectives

• Describe different types of phase changes and how energy transfer affects them.
• Identify the effects of temperature and pressure on phase transitions.
• Explain the concepts of latent heat and particle arrangement during phase changes.+ Show more

Learning Objectives

• Explain how conservation of mass is used to create mass budgets in closed or near-closed systems
• Connect conservation of mass to reaction stoichiometry and balanced chemical equations
• Use environmental mass balances to interpret measured versus expected masses in real situations

Learning Objectives

• Identify observable evidence that a chemical change has occurred (color change, gas production, precipitate formation, temperature/energy change, odor change).
• Explain chemical change at the particle level as bond breaking and bond forming, not just particle rearrangement.
• Use evidence from real-world examples (rusting iron, combustion of natural gas) to support claims about chemical vs. physical changes.

Learning Objectives

• Define solution concentration and describe how solute and solvent relate to it
• Identify and use common concentration measures such as mass percent and grams per litre
• Explain how concentration affects physical properties like boiling point elevation and freezing point depression+ Show more

Learning Objectives

• Explain how solute/solvent nature affects solubility and dissolution
• Describe how temperature, pressure, and agitation influence the amount and rate of dissolving
• Use particle size and surface area ideas to predict how quickly solids dissolve

Learning Objectives

• Differentiate between pure substances, mixtures, and solutions using measurable properties and uniformity.
• Explain why pure substances have characteristic melting points while mixtures do not.
• Describe solutions as homogeneous mixtures in which solute particles are dispersed at the molecular scale.+ Show more

Learning Objectives

• Define carrying capacity and explain its significance in ecosystems.
• Identify limiting factors that regulate population growth.
• Describe how populations adjust when exceeding the environment's carrying capacity.+ Show more

Learning Objectives

• Understand the mechanisms of plate tectonics and continental drift.
• Identify evidence supporting plate movements such as mid-ocean ridges and subduction zones.
• Explain how plate movements lead to geological phenomena like earthquakes and mountain formation.