Grade 7 Science Worksheets

Learning Objectives

• Explain how forces add to create a net force using both magnitude and direction
• Predict how an unbalanced net force changes an object’s speed and/or direction
• Determine when forces are balanced and describe the resulting motion

Learning Objectives

• Describe the temperature-time behavior of matter during heating curve phases (warming, melting plateau, liquid warming, boiling plateau).
• Explain why temperature can remain constant during phase changes even while heat energy is added.
• Use heating curve data to connect particle-level changes to observable temperature patterns.

Learning Objectives

• Explain how gravity creates weight and affects the motion of objects near Earth.
• Compare the effects of mass on gravitational force and the acceleration of gravity near Earth.
• Describe how support forces (like the normal force) can balance weight and prevent motion.

Learning Objectives

• Explain how friction opposes relative motion and how it affects whether forces balance or not.
• Predict how changes in surface texture (roughness/smoothness) change the size of friction and the resulting motion.
• Use the idea of net force to describe when an object speeds up, slows down, or moves at constant velocity.

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 density using the particle view of matter (mass and how particles are spaced).
• Predict how sinking, floating, and heating relate to changes in volume and average particle spacing.
• Use evidence from particle spacing to compare the densities of different substances.

Learning Objectives

• Identify different types of adaptive traits in plants and animals.
• Understand how environmental pressures influence trait development.
• Describe various structural, physiological, and behavioral adaptations.+ Show more

Learning Objectives

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

Learning Objectives

• Understand how sunlight, soil, water, temperature, and topography influence ecosystems.
• Identify the relationships between living organisms and non-living environmental factors.
• Explain how cause-and-effect links shape community patterns in Alberta landscapes.+ Show more

Learning Objectives

• Understand the systematic approaches used in ecological inquiry, including posing questions and collecting observations.
• Interpret ecological data within natural variability and evaluate evidence to draw conclusions.
• Recognize local examples such as riparian health assessments and their role in ecological relationships.+ Show more

Learning Objectives

• Understand the criteria used to evaluate the conservation status of species.
• Interpret evidence related to population trends, threats, and recovery potential.
• Identify factors like land use, genetic diversity, and connectivity that influence species vulnerability.+ Show more

Learning Objectives

• Describe the different levels of ecological organization from individual organisms to ecosystems.
• Explain how properties and processes emerge at higher levels that are not evident at individual levels.
• Use Alberta examples to differentiate among levels such as individual trout, trout populations, communities, and ecosystems.

Learning Objectives

• Understand the role of oral histories and land-use practices in traditional ecological knowledge.
• Identify examples of species interactions and habitat indicators used by Indigenous communities.
• Recognize the importance of integrating different knowledge systems to interpret environmental patterns.+ Show more

Learning Objectives

• Explain how energy transfers from higher-energy systems to lower-energy systems
• Identify common forms of energy involved in energy transfer (heat, light, motion, sound)
• Describe energy transformations and how they relate to observable changes (temperature, motion, light)

Learning Objectives

• Understand the drivers and timing of animal migration across landscapes.
• Describe how migration connects ecosystems and supports biodiversity.
• Identify examples of migration in Alberta, including waterfowl flyways and ungulate movements.+ Show more

Learning Objectives

• Explain how density relates mass and volume to identify and compare materials.
• Calculate and interpret density using appropriate units.
• Distinguish intensive properties from extensive properties using density as an example.

Learning Objectives

• Understand the concept of food webs and how energy transfers through ecosystems.
• Identify roles of producers, consumers, and decomposers within a regional ecological context.
• Analyze how changes in species populations can affect the stability of food webs.+ Show more

Learning Objectives

• Understand how position-time graphs represent motion and interpret their slopes and curves.
• Identify patterns in velocity-time graphs and relate slopes to acceleration.
• Use data tables alongside graphs to analyze and interpret different types of motion.+ Show more

Learning Objectives

• Understand different methods used in ecological monitoring.
• Identify the importance of data consistency and data quality in long-term studies.
• Describe various sampling techniques such as fixed-site surveys, point counts, remote sensing, and water quality sampling.

Learning Objectives

• Explain the conservation of matter principle using the idea that total mass is conserved in a closed system
• Identify evidence for conservation of matter, such as constant mass in sealed-container experiments
• Use particle/atom thinking to describe chemical reactions as rearrangements rather than creation or destruction

Learning Objectives

• Describe basic types of pollutants affecting terrestrial and aquatic ecosystems.
• Explain how pollutants travel pathways lead to bioaccumulation and community impacts.
• Identify measurable ecological effects caused by different pollutants.+ Show more

Learning Objectives

• Understand how scientific reasoning uses specific data references to support claims.
• Identify evidence such as graph changes, value comparisons, and observations that support scientific claims.
• Explain how evidence supports claims by using appropriate relationships, units, and explanations.+ Show more

Learning Objectives

• Understand how to calculate average speed using distance and time data.
• Distinguish between average speed and instantaneous speed through examples.
• Convert speed units between meters per second and kilometers per hour.+ Show more

Learning Objectives

• Understand the purpose of control methods in scientific experiments.
• Identify key features of a well-designed control plan.
• Explain how consistent timing and calibration contribute to reliable results.+ Show more

Learning Objectives

• Distinguish balanced and unbalanced forces by reasoning about net force and motion.
• Explain how net force affects changes in velocity (speed and/or direction).
• Use a tug-of-war scenario to predict whether an object’s motion stays the same or changes.

Learning Objectives

• Understand how data is organized in tables with proper units and labels.
• Interpret graphs by analyzing trends, clusters, and relationships.
• Compare data groups by examining the shape and direction of data patterns.+ Show more

Learning Objectives

• Distinguish weather from climate using examples and evidence
• Identify key weather variables such as temperature, precipitation, humidity, and wind
• Explain how climate is influenced by geography and long-term energy patterns

Learning Objectives

• Understand how to connect evidence to reasoning in scientific arguments.
• Identify specific data values, graph features, or direct observations that support claims.
• Evaluate the strength of scientific arguments, including addressing limitations and avoiding unsupported cause-and-effect claims.+ Show more

Learning Objectives

• Define acceleration and explain how it relates to changes in velocity.
• Describe how force and mass influence acceleration in objects.
• Identify patterns of constant and changing acceleration from velocity data.+ Show more

Learning Objectives

• Identify the different types of variables in scientific investigations.
• Understand how to design investigation plans with clear variables and evidence.
• Distinguish between independent, dependent, and controlled variables in experiments.+ Show more

Learning Objectives

• Understand how to evaluate scientific models and compare predicted outcomes with evidence.
• Identify assumptions in models that may be oversimplified or incomplete.
• Learn how computational simulations can reveal the impact of input changes on model outputs.+ Show more

Learning Objectives

• Explain how water, storms, earthquakes, and volcanic activity change Earth’s surface in both gradual and sudden ways
• Describe how erosion and sediment deposition reshape local landforms
• Identify evidence of surface change processes in real-world landscapes

Learning Objectives

• Understand how models translate observations into representations for predictions.
• Identify different types of models: physical, diagrammatic, and computational.
• Explain the role of diagrams linking Earth, Moon, and Sun in lunar phases.+ Show more

Learning Objectives

• Explain how igneous, sedimentary, and metamorphic rocks form in the rock cycle
• Describe how heat, pressure, weathering, and cementation drive changes among rock types
• Use rock-cycle ideas to make evidence-based predictions about Earth materials over time

Learning Objectives

• Understand how structural, behavioral, and functional adaptations support survival.
• Identify examples of adaptations that facilitate specific life processes.
• Explain the trade-offs involved in functional adaptations and their impact on survival.+ Show more

Learning Objectives

• Understand the concept of ecosystem resilience and its importance.
• Identify factors that influence how ecosystems recover from disturbances.
• Analyze patterns in population changes following environmental disruptions.+ Show more

Learning Objectives

• Understand how environmental changes influence ecosystems and organism survival.
• Identify different types of environmental alterations and their effects on resources and species.
• Analyze how shifts in species populations affect ecosystem interactions and patterns.+ Show more

Learning Objectives

• Understand how energy flows through food webs from producers to consumers.
• Explain the process of matter cycling in ecosystems and its importance.
• Identify the roles of producers, consumers, and decomposers in an ecosystem.+ Show more

Learning Objectives

• Explain how the law of superposition and cross-cutting relationships help determine the relative order of geologic events.
• Identify which rock layers or features are older or younger based on observable evidence.
• Use relative dating reasoning to construct a simple geologic history when numerical ages are not available.

Learning Objectives

• Explain how gravity and water-driven forces contribute to mass wasting and coastal erosion
• Describe how prolonged rain can trigger landslides by changing soil or rock stability
• Identify how waves and storm surge reshape coastlines by moving and removing sediment+ Show more

Learning Objectives

• Explain how tectonic activity, weathering, erosion, and deposition shape Earth’s surface.
• Identify how transporting agents and energy changes lead to deposition.
• Use geologic vocabulary (tectonic activity, weathering, erosion, deposition) to describe landform change over time.

Learning Objectives

• Explain how fossils form and what conditions help preserve remains, traces, and imprints
• Use fossil assemblages to infer past environments and relate rock layers to Earth’s history
• Differentiate among body fossils, trace fossils, and imprints and describe what each can reveal

Learning Objectives

• Explain how matter and energy move among the geosphere, hydrosphere, atmosphere, and biosphere.
• Describe how changes in one Earth system can cause changes in another system.
• Use evidence to support claims about Earth system interactions and their effects on landforms, ecosystems, and water availability.

Learning Objectives

• Explain how latitude affects the angle of incoming sunlight and leads to regional temperature differences
• Describe how elevation, distance from water, and ocean currents influence climate and precipitation
• Use climate driver concepts to interpret how deserts, rain forests, and seasonal weather patterns form

Learning Objectives

• Explain what air masses are and how their temperature and moisture properties affect weather.
• Describe how fronts form when air masses with different properties meet.
• Compare typical weather changes caused by cold fronts versus warm fronts.+ Show more

Learning Objectives

• Understand the different types of organism interactions in a community.
• Identify examples of competition, predation, and symbiosis.
• Explain how these interactions affect resource availability and population dynamics.+ Show more

Learning Objectives

• Explain how inherited differences and recombination create variation within populations
• Describe how scientists measure variation by examining trait frequency across many individuals
• Connect changes in trait frequency to environmental pressures over generations

Learning Objectives

• Explain how births, deaths, immigration, and emigration affect population size over time
• Identify limiting factors and predict how they influence population growth
• Use predator–prey relationships to describe how populations can fluctuate (oscillate)+ Show more