Grade 7 Science Worksheets

Learning Objectives

• Understand how structural adaptations help animals survive
• Identify examples of physical features that support survival
• Recognize the relationship between form and function in living organisms

Learning Objectives

• Explain how conservation of mass is tested using total mass of reactants and products in a closed system
• Describe how accurate mass measurements depend on system boundaries, including gases and dissolved species
• Use measurement data to justify whether mass is conserved in a chemical change

Learning Objectives

• Understand the difference between exothermic and endothermic reactions.
• Identify signs of energy transfer during chemical and physical changes.
• Recognize how bond breaking and formation relate to energy exchange.+ Show more

Learning Objectives

• Understand different measures of solution concentration such as mass percent and grams per litre.
• Explain how concentration affects physical properties like boiling point and freezing point.
• Interpret real-world examples of concentration, including salinity in lakes and water treatment.+ Show more

Learning Objectives

• Explain how elevated pressure, temperature, and chemically active fluids can change preexisting rocks without complete melting
• Compare contact metamorphism and regional metamorphism based on where they occur and what textures/minerals form
• Use metamorphic minerals and fabric (foliation, recrystallization) to infer metamorphic grade and rock history+ Show more

Learning Objectives

• Explain how invasive species spread beyond their native ranges.
• Identify ecological impacts of invasive species on native biodiversity.
• Analyze mechanisms by which invasive species alter food webs and nutrient cycles.+ Show more

Learning Objectives

• Define saturation and solubility limits for a solute in a solvent at a given temperature and pressure.
• Explain what happens when more solute is added to a saturated solution.
• Describe how supersaturation can lead to sudden precipitation during cooling or evaporation.

Learning Objectives

• Explain how thermal conductivity and specific heat capacity affect heat flow through common building materials
• Use material properties such as density and porosity to predict how moisture and temperature change in building assemblies
• Compare trade-offs between insulation performance and structural considerations for Alberta climates

Learning Objectives

• Understand how data is organized into tables with consistent units and labels.
• Identify key features of graphs such as axes, scale, and categories.
• Interpret trends, clusters, and relationships in data visualizations.+ Show more

Learning Objectives

• Understand what temperature measures and how it relates to the kinetic energy of particles.
• Identify different methods of heat transfer: conduction, convection, and radiation.
• Analyze real-world examples of heat transfer in environmental and engineered systems.+ Show more

Learning Objectives

• Understand the purpose of model evaluation in scientific predictions.
• Learn how evidence supports or questions model assumptions.
• Interpret computational simulations to see the effect of changing input factors.+ Show more

Learning Objectives

• Understand the intrinsic properties that influence material thermal behavior.
• Compare common construction materials and their thermal resistance.
• Analyze how porosity, moisture, and layering affect thermal conductivity.+ Show more

Learning Objectives

• Understand the concept of chemical properties and how they are identified.
• Recognize different observable outcomes that indicate chemical reactions.
• Describe how properties like flammability, reactivity, oxidation, and pH influence chemical behavior.+ Show more

Learning Objectives

• Explain what net force of zero means for an object’s motion
• Identify static and dynamic equilibrium using examples
• Interpret force pairs qualitatively to predict stable and changing motion+ Show more

Learning Objectives

• Explain how sound waves affect perceived loudness and pitch as they travel through space
• Describe how reflection and absorption by materials change the intensity of sound
• Connect frequency and amplitude to pitch and volume

Learning Objectives

• Explain how reliability and variability affect the confidence of scientific conclusions.
• Identify common sources of measurement and interpretation error in experimental data.
• Use patterns in repeated measurements to decide whether evidence supports design changes.

Learning Objectives

• Explain how torque depends on force and lever arm distance
• Identify how moving the fulcrum changes which direction and size of force is produced
• Use simple arithmetic to relate input force to output force in lever situations

Learning Objectives

• Describe different reaction types such as synthesis, decomposition, single and double displacement, acid–base neutralization, and combustion.
• Explain how bonds are broken and formed during reaction types at the particle level.
• Identify reaction types based on chemical equations and particle explanations.+ Show more

Learning Objectives

• Explain what chemical properties are and how they help predict reactions.
• Identify observable evidence (gas, color change, heat) that indicates chemical changes.
• Describe how flammability, reactivity with acids or bases, oxidation, and pH behavior are chemical properties.

Learning Objectives

• Explain what a keystone species is and why its impact is disproportionate to its abundance
• Describe how removing a keystone species can cause trophic cascades and change ecosystem structure
• Identify keystone species using evidence from food webs and species interactions+ Show more

Learning Objectives

• Explain how different biotic interactions (predation, competition, mutualism, commensalism, and parasitism) affect survival and reproduction.
• Describe how changes to one species can spread through a community and alter biodiversity.
• Predict how human actions (habitat alteration, overharvesting, and species introductions) may disrupt ecological relationships.

Learning Objectives

• Explain how food availability and breeding needs can drive migration patterns.
• Identify timing cues and energetic demands that influence when animals migrate.
• Describe how migratory connectivity links ecosystems across habitats and provinces.

Learning Objectives

• Understand the different types of population interactions: competition, predation, and mutualism.
• Identify how resource use and niche partitioning influence community stability.
• Explain mechanisms that allow species to coexist and how interactions affect biodiversity.+ Show more

Learning Objectives

• Explain how waves transfer energy without permanently moving matter.
• Differentiate transverse and longitudinal waves using particle motion and wave patterns.
• Relate amplitude and wavelength to the energy and spacing of a wave pattern.

Learning Objectives

• Describe how carbon cycles between air, organisms, and soils.
• Explain the roles of bacteria in the nitrogen cycle.
• Trace how phosphorus moves through water, soil, and organisms.+ Show more

Learning Objectives

• Classify matter as a pure substance (element or compound), a mixture, or a solution based on composition and uniformity.
• Describe how measurable properties (like melting point) help distinguish pure substances from mixtures.
• Explain, with particle ideas, why solutions are homogeneous while mixtures can be separated by physical methods.+ Show more

Learning Objectives

• Explain how energy transfer causes phase changes between solid, liquid, and gas
• Identify examples of melting, freezing, vaporization, condensation, sublimation, and deposition
• Use particle motion and arrangement to describe temperature and pressure effects on phases+ Show more

Learning Objectives

• Calculate energy transfer using specific heat, mass, and temperature change
• Convert between Joules and kilojoules and use units correctly
• Interpret simple thermal process situations and represent energy change numerically or in graphs+ Show more

Learning Objectives

• Explain how predator and prey populations influence each other.
• Identify cause-and-effect relationships in ecological systems.
• Analyze cycles in predator-prey dynamics.+ Show more

Learning Objectives

• Explain how test data can reveal a mismatch between a design and the criteria for success.
• Describe how specific design changes can improve performance while meeting safety, materials, and cost constraints.
• Use evidence-based reasoning to justify revisions and predict how a new version may perform.

Learning Objectives

• Describe matter as made of discrete particles with spaces and motion
• Use the particle model to explain diffusion, compressibility, and density changes
• Relate particle kinetic energy and particle spacing to the properties of solids, liquids, and gases+ Show more

Learning Objectives

• Define a food web and identify its key components.
• Explain the flow of energy among organisms in an ecosystem.
• Distinguish between producers, consumers, and decomposers.+ Show more

Learning Objectives

• Explain how insulation reduces heat transfer between a warm and a cool environment
• Describe how material properties and construction details affect thermal resistance and comfort
• Use R-values and ideas about thermal bridges to make energy-efficiency decisions+ Show more

Learning Objectives

• Understand how deposition shapes various landforms such as deltas, beaches, and glacial features.
• Identify characteristics of depositional processes and their geological evidence.
• Explain the formation of stratigraphic layers and their significance in interpreting past environments.+ Show more

Learning Objectives

• Understand the processes involved in the rock cycle
• Identify how rocks change and transform through different geological processes
• Recognize the roles of tectonics, magmatism, weathering, and erosion in rock formation+ Show more

Learning Objectives

• Define specific heat capacity using the idea of energy per unit mass per degree Celsius
• Identify how temperature change depends on mass and specific heat capacity
• Use correct units for thermal energy calculations and explanations

Learning Objectives

• Understand the concept of a food web and its interconnected feeding relationships.
• Identify the roles of producers, consumers, and decomposers within a food web.
• Explain how energy flows through a food web and the significance of network structure for ecosystem stability.+ Show more

Learning Objectives

• Understand microscopic particle motion and its relation to temperature, thermal energy, and pressure.
• Explain how microscopic particle behavior relates to macroscopic properties like heat transfer.
• Describe the distribution of molecular speeds in different temperature conditions.+ Show more

Learning Objectives

• Explain how birth rate, death rate, immigration, and emigration affect population size and distribution
• Describe how resource availability and abiotic constraints can limit population growth in ecosystems
• Use examples from different biomes to predict how populations may fluctuate over time+ Show more

Learning Objectives

• Explain what specific heat capacity means in terms of energy and temperature change.
• Calculate thermal energy using mass, specific heat, and temperature change.
• Use and convert between grams, kilojoules, and degrees Celsius in heat-capacity problems.+ Show more

Learning Objectives

• Explain how solar energy, albedo, and snow cover affect seasonal heating and cooling.
• Describe how phase changes store and release energy through latent heat.
• Model how radiative, latent, and sensible heat fluxes influence soil and water temperatures across seasons.+ Show more

Learning Objectives

• Explain how calorimetry uses temperature change and known properties to determine heat energy transferred in Joules.
• Apply the heat equation conceptually to predict whether a process absorbs or releases energy.
• Use energy conservation ideas to reason about heating, melting, and heat losses in real-world scenarios.

Learning Objectives

• Understand how material properties influence heat flow and energy efficiency in buildings.
• Identify regional examples of insulation strategies used in Alberta.
• Quantify the impact of R-values and thermal bridges on building performance.+ Show more

Learning Objectives

• Describe how conduction, convection, and radiation affect heat transfer in a heating system.
• Use energy-budget ideas to compare net heat gain, required fuel energy, and temperature change predictions.
• Apply conservation of energy to identify where energy is stored and where losses occur.+ Show more

Learning Objectives

• Explain how matter cycles through ecosystems using carbon, nitrogen, and phosphorus examples.
• Describe the key processes that move nutrients between air, living things, and soil (photosynthesis, respiration, decomposition, and bacterial transformations).
• Analyze how nutrient availability can limit plant growth and affect ecosystem productivity.

Learning Objectives

• Explain how energy flows from producers to consumers through trophic levels in a food web.
• Describe how decomposition helps cycle matter by returning nutrients to the environment.
• Use vocabulary such as producers, consumers, decomposers, and nutrients to interpret food web diagrams.

Learning Objectives

• Describe how truss members transfer loads through triangular frameworks
• Identify when truss members are in tension or compression using qualitative reasoning
• Compare truss forms by discussing efficiency, redundancy, and load path clarity

Learning Objectives

• Explain how compression, tension, and shear act in structural members.
• Describe how foundations and supports help control settlement and movement.
• Identify key material properties (stiffness, strength, durability) used to judge safety and suitability.