Grade 7 Science Worksheets

Learning Objectives

• Explain how Earth’s tilt and orbit change the Sun’s apparent height and daylight length during the year.
• Describe why seasons differ between the Northern and Southern hemispheres.
• Use evidence from solar energy and day length patterns to support claims about seasonal change.

Learning Objectives

• Explain how measurements become meaningful data by using consistent units and labeled tables.
• Identify how graphs (axes, scale, and categories) support accurate interpretation of trends and relationships.
• Describe how to compare groups and interpret patterns using direction and shape rather than isolated values.

Learning Objectives

• Understand how resource availability influences population growth and decline.
• Interpret data from graphs and quantitative datasets related to ecosystems.
• Analyze the effects of competition, food, water, and shelter on population dynamics.+ Show more

Learning Objectives

• Identify and explain how competition, predation, and symbiosis affect organisms in a community
• Describe cause-and-effect relationships between interactions and population changes over time
• Differentiate major types of symbiosis: mutualism, commensalism, and parasitism

Learning Objectives

• Identify different types of beam loads and support conditions
• Describe the effects of bending, shear, and deflection on beams
• Relate real-world examples of beams to their support and load types+ Show more

Learning Objectives

• Identify evidence in a passage about forces and motion.
• Explain how forces can change an object’s motion in an engineering design scenario.
• Use criteria from a passage to compare alternative design choices.

Learning Objectives

• Explain how structural, physiological, and behavioral adaptations help organisms survive in specific habitats.
• Describe how selective pressures (temperature, moisture, predation, and resource availability) can shape adaptations.
• Use examples to identify adaptive trade-offs and how different habitats can favor different traits.

Learning Objectives

• Understand the basic components of ecosystems, including matter cycling and energy flow.
• Learn how changes in nutrient availability and plant growth affect ecosystems.
• Recognize the roles of producers, consumers, and decomposers in an ecosystem.+ Show more

Learning Objectives

• Define a keystone species and explain its role in an ecosystem.
• Identify examples of keystone species in different ecosystems.
• Understand the effects of removing a keystone species from an environment.+ Show more

Learning Objectives

• Define abiotic drivers and explain how nonliving factors create environmental templates for communities
• Describe how temperature, light availability, soil composition, moisture regimes, and pH vary across habitats and microhabitats
• Explain how organismal tolerance ranges influence where species occur along physical gradients+ Show more

Learning Objectives

• Explain how matter and energy move between Earth’s geosphere, hydrosphere, atmosphere, and biosphere.
• Describe how changes in one Earth system can trigger changes in another system.
• Use evidence from everyday examples (weather, erosion, water availability) to model Earth system interactions.

Learning Objectives

• Understand the basic concepts of structural optimization
• Identify different optimization strategies used in engineering
• Recognize the importance of performance-based criteria and constraints in design

Learning Objectives

• Understand the effects of sunlight on plant growth
• Identify different regional environmental factors
• Explain cause-and-effect relationships between abiotic factors and organisms+ Show more

Learning Objectives

• Distinguish thermal energy, temperature, and internal energy in terms of particle motion and energy storage.
• Explain the direction of heat transfer using internal energy and thermal equilibrium.
• Describe common sources of thermal energy and connect them to real-world environments.+ Show more

Learning Objectives

• Explain how competition, predation, and symbiosis affect populations in an ecosystem
• Identify examples of competition, predation, and symbiosis in real-life or familiar organisms
• Describe how energy flows from prey to predators and how resources shape survival

Learning Objectives

• Understand and identify different measurable physical properties of substances.
• Describe how properties like density, melting point, and solubility help in material identification.
• Compare and analyze the importance of physical properties in separating mixtures and selecting materials.+ Show more

Learning Objectives

• Understand how igneous rocks form from cooled magma.
• Identify the processes involved in the formation of igneous rocks.
• Recognize the appearance and characteristics of igneous rocks.+ Show more

Learning Objectives

• Understand how to interpret test results to identify weak points in design.
• Learn how modifications based on data can improve performance.
• Connect evidence from data to specific changes in scientific experiments.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in chemical reactions
• Identify how mass is balanced in reactions
• Predict product masses based on reactant quantities+ Show more

Learning Objectives

• Explain how energy transfers through conduction, convection, and radiation
• Identify which energy transfer mechanism is most likely occurring in everyday situations
• Describe how energy can transform from one form to another in common devices

Learning Objectives

• Explain how internal and external Earth processes can reshape landscapes.
• Identify evidence of surface processes using rock strata, landforms, and hazard history.
• Use clues from present-day topography to infer how a region may have changed over time.

Learning Objectives

• Explain how density relates mass and volume using the equation density = mass ÷ volume.
• Identify the intensive property of density and predict how it changes (or does not) when sample amount changes.
• Compare and interpret densities of different materials using qualitative and quantitative reasoning.

Learning Objectives

• Explain how conduction, convection, and radiation transfer thermal energy and give real-world examples.
• Relate temperature differences to the direction of heat flow and to measurable effects like warming rates.
• Describe how specific heat and phase changes affect thermal energy transfer without always changing temperature.

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

• Understand how particles are arranged in solids and liquids.
• Explain how energy transfer causes changes of state.
• Describe the properties of solids and liquids based on particle behavior.

Learning Objectives

• Understand the law of conservation of mass as a fundamental principle in physical and chemical transformations.
• Apply mass accounting techniques to analyze closed reactions and dissolution processes.
• Balance simple chemical formulas and relate reactant and product mass relationships in sealed systems.

Learning Objectives

• Distinguish between producers and consumers in a food web using trophic roles.
• Explain how energy transfer through trophic levels affects energy pyramids.
• Identify primary, secondary, and tertiary consumers and predict their relationships.

Learning Objectives

• Understand predator-prey relationships and their effects on populations.
• Identify different types of interactions among organisms, including mutualism and competition.
• Analyze how interactions influence resource availability and population dynamics.

Learning Objectives

• Use metric prefixes and unit analysis to report measurements with appropriate numerical precision and units
• Explain how calibration and instrument choice affect measurement accuracy and uncertainty
• Estimate variability using repeating trials and incorporate uncertainty into calculations

Learning Objectives

• Identify performance metrics, constraints, and trade-offs in real-world design problems
• Use parameter variation and sensitivity analysis to compare how changes affect outcomes
• Apply basic cost-benefit reasoning to evaluate design alternatives under constraints+ Show more

Learning Objectives

• Differentiate weather and climate using time scales and typical patterns.
• Explain how solar energy, atmospheric circulation, and water distribution shape climate.
• Describe how ocean heat storage and release can influence regional climate patterns.

Learning Objectives

• Use consistent units, labels, and scales to organize measurement data in tables and graphs.
• Interpret graphs by describing trends, clusters, and comparisons between groups.
• Use relationships (direction and shape) to explain what the data suggest, not just single values.

Learning Objectives

• Explain how fair tests isolate one design variable while keeping other conditions constant.
• Identify appropriate measurement tools, units, and scales for collecting performance data.
• Describe how consistent testing supports reliability and helps attribute results to design changes.

Learning Objectives

• Identify standard units and explain why instrument choice affects measurement quality.
• Read measurements accurately using correct scale divisions and significant figures.
• Distinguish random error from systematic error and describe uncertainty in readings.+ Show more

Learning Objectives

• Identify patterns in how often natural hazards occur, their typical magnitudes, and where they are most likely to happen
• Interpret hazard maps and explain how recurrence intervals and probabilistic forecasting help estimate risk
• Describe cascading impacts of hazards on infrastructure, ecosystems, and people living in floodplains or coastal areas

Learning Objectives

• Describe how nutrient runoff, hydrocarbons, and airborne deposition can enter ecosystems.
• Explain how pollutants can affect organism health and alter food web interactions.
• Identify the role of bioaccumulation and biomagnification in aquatic and terrestrial systems.+ Show more

Learning Objectives

• Explain how food availability and breeding needs influence migration timing and routes
• Describe how migration connects distant habitats and affects population dynamics
• Identify timing cues and energetic demands that shape migratory movement+ Show more

Learning Objectives

• Describe how energy moves through a food web from producers to consumers and decomposers
• Identify trophic levels and dependency chains in an interconnected food web
• Explain how adding or removing a species can change trophic connections and network stability

Learning Objectives

• Describe how beam bending, shear, and deflection relate to loads and supports
• Identify how span-to-depth ratio and material stiffness affect beam performance
• Use service load ideas to judge whether a beam meets stability and comfort needs

Learning Objectives

• Describe how population trends, threats, and recovery potential are used to evaluate conservation risk.
• Identify how land use, genetic diversity, and habitat connectivity affect a species' vulnerability.
• Interpret evidence from examples such as the swift fox and at-risk plants to explain regional persistence.

Learning Objectives

• Describe how standardized ecological monitoring protocols help detect trends over time.
• Identify appropriate methods for collecting habitat and species data (e.g., fixed-site surveys, point counts, remote sensing, water quality sampling).
• Explain why temporal replication and data quality checks improve the reliability of results.+ Show more

Learning Objectives

• Identify abiotic factors and explain how they affect living organisms in an ecosystem.
• Describe cause-and-effect relationships between resource availability and community patterns.
• Classify examples as biotic or abiotic and use evidence from a passage to support answers.

Learning Objectives

• Describe how adaptation traits can improve survival and reproduction in specific environments.
• Explain how selective pressures change which traits become more common in a population over generations.
• Identify examples of structural, physiological, and behavioural adaptations from an Alberta habitat context.+ Show more

Learning Objectives

• Identify the defining features of mutualism, commensalism, and parasitism.
• Use examples to explain how different symbiosis types affect populations over time.
• Describe how symbiotic relationships can change resource distribution and drive coevolution.

Learning Objectives

• Describe how traditional ecological knowledge (TEK) helps people understand seasonal cycles and ecological relationships
• Identify examples of place-based indicators and oral histories used to observe species and habitats over time
• Explain why multiple knowledge systems can complement each other when interpreting long-term environmental patterns+ Show more

Learning Objectives

• Identify chemical formulas and distinguish between reactants and products in a chemical equation.
• Understand the mole concept and its application in quantifying substances.
• Use balanced symbolic equations to determine ratios of substances involved in chemical reactions.+ Show more

Learning Objectives

• Identify and describe conduction, convection, and radiation as modes of energy transfer.
• Differentiate between conduction, convection, and radiation in various energy systems.
• Understand how these transfer modes affect system efficiency and building design.+ Show more

Learning Objectives

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