Grade 7 Science Worksheets

Learning Objectives

• Explain Newton’s third law using the action-reaction force pair for interacting objects
• Identify how equal and opposite forces relate to contact and noncontact interactions
• Use mass and Newton’s second law to reason about why accelerations may differ

Learning Objectives

• Explain the process of evaporation and crystallization in recovering solutes.
• Identify factors that influence crystal size, shape, and purity.
• Describe real-world examples of crystallization like salt and sugar production.+ Show more

Learning Objectives

• Explain how microstructure and manufacturing choices can increase strength, stiffness, and durability in advanced materials.
• Compare engineered timber, fibre-reinforced polymers, high-performance concrete, and composite systems using key properties and limitations.
• Describe how prefabrication, connections, and retrofits affect the real-world performance of advanced materials.

Learning Objectives

• Explain how devices convert energy from one form to another using energy transfer and conservation ideas
• Describe unavoidable thermal (heat) losses and relate them to efficiency in real systems
• Complete and interpret simple energy accounting across a transformation sequence

Learning Objectives

• Explain how light energy is converted into chemical energy during photosynthesis.
• Describe the process of cellular respiration and its role in energy transfer within cells.
• Illustrate how energy conservation occurs across biological systems during energy transformations.+ Show more

Learning Objectives

• Explain how energy transfers occur during changes in an object's motion.
• Identify real-world examples of kinetic, thermal, sound, and other energy transfers.
• Analyze scenarios involving energy redistribution during collisions and bouncing.+ Show more

Learning Objectives

• Understand how human population growth influences demand for resources such as water, energy, land, and raw materials.
• Analyze the effects of increased consumption on ecosystems, biodiversity, and resource cycles.
• Evaluate regional examples to compare how consumption patterns shape environmental pressures.+ Show more

Learning Objectives

• Explain how the solar system formed from smaller materials and how that relates to planet properties.
• Compare terrestrial and gas/ice giant planets using evidence such as composition, atmospheres, and geology.
• Describe how orbital relationships and planetary tilt/eccentricity affect motion, seasons, and observed phases/eclipses.

Learning Objectives

• Understand the relationship between particle motion and temperature.
• Learn how heat transfer occurs through conduction, convection, and radiation.
• Explore regional examples of thermal phenomena in Alberta's climates.+ Show more

Learning Objectives

• Explain how species richness, species evenness, and diversity indices summarize biodiversity in a community.
• Interpret differences in diversity values across contrasting habitats and relate them to ecological stability and resilience.
• Describe conceptual links among habitat heterogeneity, niche diversity, and species turnover.+ Show more

Learning Objectives

• Explain how truss geometry (triangles) helps distribute loads through tension and compression instead of bending.
• Use qualitative reasoning with the method of joints to identify whether members are likely in tension or compression.
• Compare truss designs using efficiency and redundancy criteria for real bridge and roof applications.+ Show more

Learning Objectives

• Explain how uneven solar heating and ocean surface conditions influence atmospheric circulation and regional climate.
• Use temperature gradients, wind vectors, sea-surface temperature, and precipitation records to interpret climate patterns such as El Niño and monsoons.
• Describe how topography and ocean currents can change local temperature, rainfall, and prevailing wind belts.+ Show more

Learning Objectives

• Explain the concepts of gravitational, electric, and magnetic interactions as long-range forces.
• Describe how gravity acts universally and how electromagnetic forces can be attractive or repulsive.
• Relate force strength and direction to evidence and qualitative reasoning.+ Show more

Learning Objectives

• Explain how net force changes an object’s velocity (speed and/or direction) over time
• Differentiate balanced and unbalanced forces and predict whether an object accelerates
• Describe how friction, air resistance, and gravity affect motion near Earth

Learning Objectives

• Understand the key quantities used to measure motion: distance, time, and speed.
• Learn how to accurately compute average speed from given data.
• Identify common sources of measurement error in motion experiments.+ Show more

Learning Objectives

• Distinguish speed and velocity, and explain how acceleration describes changing motion.
• Identify which motion quantities are scalar versus vector and interpret motion scenarios qualitatively.
• Relate displacement, time, and rate of change using simple, grade-appropriate examples.

Learning Objectives

• Describe how energy transfer drives convection and influences weather and climate at Earth’s surface.
• Explain how pressure gradients and prevailing winds relate to air mass movement and large-scale circulation.
• Interpret how fronts and jet streams contribute to weather variability, and how greenhouse gases affect radiative balance.

Learning Objectives

• Understand what invasive species are and how they are introduced into new ecosystems
• Identify early signs of invasive species impact
• Learn pathways through which non-native species enter environments+ Show more

Learning Objectives

• Identify hazards and explain why risk assessment is needed in laboratory and field work.
• Interpret basic safety information (including safety data sheet-style ideas) to select appropriate controls.
• Describe engineering and administrative controls and apply emergency planning and reporting responsibilities.

Learning Objectives

• Explain how phase changes relate to particle kinetic energy and potential energy
• Describe how energy is absorbed or released during melting, freezing, evaporation, and condensation
• Interpret latent heat as an energy change that occurs without changing chemical identity+ Show more

Learning Objectives

• Construct and interpret graphs that relate kinetic energy to speed and mass
• Use quantitative patterns (including doubling) to predict changes in kinetic energy
• Connect stored potential energy to future motion and compare energy types

Learning Objectives

• Explain diffusion using the particle model and concentration gradients.
• Describe how mixing occurs without requiring particles to stop moving or change into new substances.
• Predict how temperature affects the rate of diffusion and mixing.+ Show more

Learning Objectives

• Explain how matter can be described using particles too small to see
• Describe how particle motion relates to temperature
• Use the particle model to predict changes in macroscopic properties like pressure and diffusion

Learning Objectives

• Understand the concept of ecological inquiry and its importance.
• Learn how to formulate scientific questions about ecosystems.
• Identify measurable variables in ecological studies.+ Show more

Learning Objectives

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

Learning Objectives

• Explain how habitat fragmentation creates isolated habitat patches and increases edge effects
• Describe how fragmentation affects species interactions, dispersal, gene flow, and population sizes
• Evaluate how habitat connectivity (like corridors) can reduce extinction risk and support ecosystem processes

Learning Objectives

• Understand the formation process of igneous rocks from cooled magma or lava.
• Identify the environments where igneous rocks can form.
• Describe the stages involved in the formation of igneous rocks through cooling and solidification.+ Show more

Learning Objectives

• Understand basic principles of ecological restoration
• Identify reference conditions and recovery goals
• Differentiate between active and passive restoration approaches+ Show more

Learning Objectives

• Describe motion using distance and time, and identify appropriate units for each quantity
• Calculate average speed using the relationship speed = distance ÷ time
• Recognize common sources of measurement error and explain how they affect calculated speed+ Show more

Learning Objectives

• Understand how to connect evidence to reasoning using a clear chain from observations to claims.
• Identify specific data values, graph features, or direct observations that support scientific claims.
• Evaluate arguments for limitations, unsupported cause-and-effect claims, and consistency with data.+ Show more

Learning Objectives

• Explain how evidence, claims, and reasoning connect in a scientific argument.
• Use specific data values or graph features to support a claim.
• Identify limitations and avoid unsupported cause-and-effect in explanations.

Learning Objectives

• Understand how nonliving factors like temperature, light, water, soil, and salinity affect ecosystems.
• Explain how abiotic gradients and microclimates influence species distribution and community structure.
• Identify examples of abiotic factors from terrestrial and aquatic environments that impact biodiversity.

Learning Objectives

• Explain how the kinetic particle model uses particle spacing, motion, and forces to describe macroscopic properties of matter.
• Use the particle model to predict how changes such as heating or applied pressure affect observable measurements.
• Connect diffusion, thermal expansion, and compressibility to micro-scale particle behavior.

Learning Objectives

• Understand characteristic methods for testing material behavior, including tensile, compression, and bending assessments.
• Explore non-destructive testing techniques such as ultrasonic and hardness measurements.
• Learn about anisotropy, strain localization, and the application of safety factors and design codes in material testing.+ Show more

Learning Objectives

• Describe the main physical and chemical processes that shape Earth's surface.
• Identify observable landforms associated with weathering, erosion, deposition, and mass wasting.
• Explain the driving forces such as water flow, wind, glaciers, and gravity in surface processes.+ Show more

Learning Objectives

• Understand the concept of density and how it influences separation methods.
• Identify various separation techniques such as decanting, flotation, and centrifugation.
• Explain the principles behind each technique and their applications.+ Show more

Learning Objectives

• Explain how predation, competition, parasitism, mutualism, and commensalism affect individual species and populations
• Describe direct and indirect effects in food webs using evidence-based causal reasoning
• Interpret interaction networks and trophic diagrams to predict cascading impacts across ecosystems

Learning Objectives

• Understand how surface albedo, emissivity, and colour influence radiative heat exchange.
• Recognize the effects of coatings and surface treatments on solar gain and net radiative flux.
• Describe the purpose and function of low-emissivity glazing and reflective roofs.+ Show more

Learning Objectives

• Understand how microscopy reveals the cellular structure of organisms.
• Differentiate between unicellular and multicellular organization.
• Identify key features such as cell boundaries, plasma membranes, and cell walls.+ Show more

Learning Objectives

• Understand key material properties such as density, strength, stiffness, ductility, toughness, and thermal expansion.
• Explain how these properties influence the structural performance of different construction materials.
• Compare common materials—wood, steel, and reinforced concrete—in terms of strength-to-weight ratio, deformation, and failure modes.+ Show more

Learning Objectives

• Describe different representations of atomic models including particle, ball-and-stick, and lattice structures.
• Explain how atomic structure influences the properties of molecules and extended materials.
• Distinguish between molecular and extended network structures based on bonding patterns.+ Show more

Learning Objectives

• Understand the steps involved in the design process from defining requirements to evaluating alternatives.
• Learn how to specify performance objectives and constraints for structural designs.
• Apply decision matrices and sketches to compare different design options.+ Show more

Learning Objectives

• Compare and explain atomic models using particle, ball-and-stick, and lattice representations.
• Relate subatomic particles and atomic number to formula notation for simple substances.
• Distinguish molecular structures from extended network (lattice) structures and predict material behavior.

Learning Objectives

• Identify gases produced during chemical reactions
• Describe observable signs of gas emissions
• Recognize different gases based on reaction clues+ Show more

Learning Objectives

• Define and understand the physical properties used as diagnostic criteria.
• Link macroscopic measurements to molecular structure and intermolecular forces.
• Explain how density, phase-change temperatures, and conductivity differentiate substances.+ Show more

Learning Objectives

• Identify observable indicators that a chemical reaction has occurred, such as gas production, precipitate formation, color change, and temperature change.
• Explain irreversibility in chemical reactions and relate it to composition changes.
• Describe examples of chemical reactions, including rusting, combustion, and neutralization, and discuss how mass measurements in sealed systems demonstrate conservation principles.+ Show more

Learning Objectives

• Explain how detritivores, fungi, and bacteria break down organic matter and how abiotic factors affect decomposition rates.
• Describe how carbon and nitrogen move and transform during decomposition (including formation of detritus, mineralization, and nutrient uptake).
• Connect decomposition rates to soil fertility and ecosystem productivity in wetlands, forests, and grasslands.

Learning Objectives

• Understand the key analytical indicators used to assess the purity of substances.
• Identify various methods for detecting contamination and impurities.
• Compare and contrast techniques such as melting point ranges, conductivity differences, refractive index, and gravimetric residue.+ Show more