Grade 7 Science Worksheets

Learning Objectives

• Identify biotic and abiotic components of ecosystems and describe how each affects living things
• Distinguish producers, consumers, and decomposers and explain their roles in energy flow
• Use simple food chains (pond and forest examples) to describe how matter cycles through an ecosystem+ Show more

Learning Objectives

• Understand the concept of measurable design requirements
• Identify the importance of clear criteria and constraints in problem-solving
• Recognize trade-offs in the design process+ Show more

Learning Objectives

• Explain the difference between design criteria for success and constraints (such as time, materials, cost, and safety).
• Identify measurable or observable design criteria in a real-world engineering scenario.
• Analyze trade-offs between requirements and explain what counts as improvement based on evidence.

Learning Objectives

• Explain how allele frequencies change over time using simple quantitative models.
• Use probability and basic population-genetics ideas to interpret patterns of inheritance and selection.
• Analyze fitness differences with graphs or frequency tables to predict population responses.+ Show more

Learning Objectives

• Understand the relative sizes of planets and the distances between them.
• Learn how astronomical units, light-years, and planetary diameters are used to express scale.
• Interpret scaled diagrams and logarithmic representations of celestial distances.+ Show more

Learning Objectives

• Understand how rainfall and water flow influence Earth's surface
• Identify how water can cause erosion and shape landforms
• Recognize the role of storms, earthquakes, and volcanic activity in surface changes+ Show more

Learning Objectives

• Explain how gravitational force affects weight and motion near Earth
• Use the relationship between force and acceleration to compare objects with different masses
• Describe how support forces (normal forces) balance gravity when objects are at rest

Learning Objectives

• Understand how to interpret distance–time graphs
• Identify the meaning of slope in kinematic graphs
• Learn how to extract average and instantaneous speed from graphs+ Show more

Learning Objectives

• Define resource tradeoffs and their importance in human decision-making.
• Identify various factors that influence resource management.
• Analyze the consequences of different choices on ecosystems and communities.+ Show more

Learning Objectives

• Explain how calibration and traceable reference points improve temperature measurement accuracy.
• Describe how sensor response time, placement, shielding, and thermal contact affect measured temperature in environmental settings.
• Interpret temperature readings using uncertainty, resolution limits, and an uncertainty budget.+ Show more

Learning Objectives

• Explain qualitatively how truss members carry tension and compression along internal force paths
• Describe the method of joints to determine unknown member forces in a planar truss
• Compare common truss forms used in bridges and roofs and identify which members are typically loaded in tension or compression

Learning Objectives

• Understand the different types of weathering and how they break down rocks.
• Identify examples of physical weathering processes.
• Explain how weathering influences landscape features and soil formation.

Learning Objectives

• Explain how decreasing transport energy leads to deposition and the formation of landforms such as deltas and floodplains
• Describe how sediment characteristics and depositional processes create layered strata and clues about past environments
• Compare glacial, aeolian, and coastal deposition and relate them to specific landforms (moraines, drumlins, dunes, beaches, shelves)+ Show more

Learning Objectives

• Understand the structure of Earth's lithospheric plates
• Identify the different types of plate boundaries
• Recognize the geological features associated with plate interactions+ Show more

Learning Objectives

• Define invasive species and describe their characteristics.
• Explain how invasive species affect native ecosystems.
• Identify ecological consequences caused by invasive species.+ Show more

Learning Objectives

• Explain how biodiversity can be described using richness, evenness, and habitat heterogeneity.
• Interpret what different biodiversity metrics may indicate about ecosystem resilience and ecological function.
• Connect habitat complexity to changes in species assemblages in Alberta-like environments.

Learning Objectives

• Identify features of divergent boundaries
• Describe landforms associated with divergent boundaries
• Explain the processes that create mid-ocean ridges and rift valleys

Learning Objectives

• Explain conservation of matter in a closed system using the atomic model
• Distinguish between physical changes and chemical changes in terms of atoms and mass
• Use mass measurements of reactants and products to support the law of conservation of matter

Learning Objectives

• Identify different types of weathering
• Describe physical, chemical, and biological weathering processes
• Understand how weathering influences landscape formation+ Show more

Learning Objectives

• Explain why surface-area-to-volume ratio limits how large cells can be
• Describe how diffusion and transport depend on exchange surfaces
• Identify adaptations that increase exchange efficiency in cells and organisms+ Show more

Learning Objectives

• Explain what tradeoffs are in design and why they happen when criteria improve while other limits worsen.
• Use criteria and constraints to compare multiple design options and identify acceptable and unacceptable tradeoffs.
• Represent tradeoffs clearly using simple mapping tools (tables, charts, or decision statements).

Learning Objectives

• Explain how different biodiversity management strategies (protected areas, restoration, corridors, and invasive species control) can affect ecosystem services.
• Evaluate trade-offs among ecological, economic, and social constraints when planning biodiversity solutions.
• Use evidence from case examples to predict likely outcomes for species persistence and ecosystem functions.

Learning Objectives

• Explain recoil and thrust using Newton’s third law (action–reaction force pairs).
• Identify the correct force pair and the opposite directions of forces in a two-object interaction.
• Relate equal-and-opposite forces to different accelerations using mass.

Learning Objectives

• Identify different types of air masses based on temperature and moisture
• Understand how boundaries, called fronts, form between air masses
• Explain how air masses influence weather changes like storms and precipitation+ Show more

Learning Objectives

• Understand how environmental constraints can affect design choices.
• Identify potential social and environmental impacts of engineering solutions.
• Analyze the balance between technical feasibility and responsible decision-making.+ Show more

Learning Objectives

• Understand how weathering breaks down rocks into sediments.
• Identify transport and depositional environments for sediments.
• Describe the processes of lithification that turn sediments into sedimentary rocks.+ Show more

Learning Objectives

• Describe different species interactions such as competition, predation, mutualism, and parasitism.
• Explain how niche partitioning reduces competition among species.
• Understand the role of keystone species in community ecology.+ Show more

Learning Objectives

• Explain how the rock cycle and Earth processes (lithification, metamorphism, and magmatism) contribute to the rock record
• Use sedimentary stratigraphy and fossils (especially index fossils) to interpret relative time and correlate layers
• Describe relative and absolute dating methods, including radiometric decay, and explain how dated evidence anchors Earth’s history+ Show more

Learning Objectives

• Understand how the sun's position changes throughout the year
• Identify the effects of seasonal thermal cycles on environments
• Describe energy transfer processes related to seasons+ Show more

Learning Objectives

• Explain how decomposers return nutrients to soil and water by breaking down dead organisms and waste.
• Describe how decomposition supports the continuity of matter in an ecosystem.
• Identify the roles of decomposers such as fungi and bacteria in nutrient recycling.

Learning Objectives

• Explain how diffusion and osmosis are passive transport processes driven by concentration differences.
• Distinguish diffusion from osmosis using the role of semipermeable membranes and water movement.
• Predict how concentration gradients and environmental factors affect the rate of diffusion and osmosis.+ Show more

Learning Objectives

• Identify the structure of the cell nucleus
• Describe the basic functions of the nucleus
• Understand how the nucleus controls cell activities

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

• Distinguish between mixtures and pure substances based on composition and uniformity.
• Classify mixtures as heterogeneous or homogeneous using observable particle patterns.
• Identify physical properties used for separation and match them to appropriate methods.

Learning Objectives

• Explain how temperature relates to average kinetic energy and how heat relates to energy transfer.
• Describe how heat moves from warmer to cooler objects through conduction, convection, and radiation.
• Use Alberta winter/practice examples to connect thermal transfer to real-world situations.

Learning Objectives

• Define conduction and explain how it involves the transfer of kinetic energy between particles in solids.
• Identify materials that are good conductors of heat and those that are poor conductors.
• Describe how contact resistance and material properties affect heat conduction in structures.+ Show more

Learning Objectives

• Understand what traits contribute to an organism's survival
• Learn how environment influences which traits are advantageous
• Explore the concept of fitness in different habitats+ Show more

Learning Objectives

• Select an appropriate graph type for different kinds of data (categorical vs. continuous).
• Construct graphs with clear axes, proportional scaling, units, and correctly interpreted measurements.
• Interpret patterns in graphs by using slope, correlation, trends, and error bars without assuming causation.

Learning Objectives

• Understand how to define design problems with clear criteria and measurable constraints.
• Identify real-world examples of specifying success measures and constraints.
• Translate societal and environmental requirements into quantitative targets.+ Show more

Learning Objectives

• Define a food web and distinguish it from a simple food chain.
• Identify various relationships among producers, consumers, and decomposers.
• Understand how energy flows through an ecosystem via food webs.+ Show more

Learning Objectives

• Describe the process of meiosis and its purpose.
• Understand how meiosis leads to genetic variation.
• Recognize the significance of genetic diversity for species survival.

Learning Objectives

• Explain how weathering, erosion, deposition, and mass wasting reshape Earth’s surface.
• Identify the driving forces (water flow, wind, glaciers, and gravity) behind common landforms.
• Use observational evidence and basic mapping ideas to interpret how landforms change over time.

Learning Objectives

• Explain the concepts of diffusion and osmosis.
• Identify differences between diffusion and osmosis.
• Understand how these processes affect cells and living organisms.

Learning Objectives

• Classify rocks as igneous, sedimentary, or metamorphic based on origin and observable features.
• Use evidence such as mineral content, grain size, and rock structures to support a rock-type identification.
• Explain how heat, pressure, and fluids change existing rocks into metamorphic rocks.

Learning Objectives

• Explain how models use abstraction, assumptions, and parameters to represent real-world phenomena.
• Identify how units consistency and scaling affect model results.
• Describe validation using empirical observations and sensitivity testing to understand model limits.+ Show more

Learning Objectives

• Identify different insulating materials and their properties
• Understand mechanisms by which insulation reduces heat transfer
• Compare common insulating materials such as fibreglass, foam, and reflective foils+ Show more

Learning Objectives

• Explain the steps of engineering design thinking from problem definition to solution iteration.
• Write clear problem specifications that include measurable criteria and realistic constraints.
• Use trade-off thinking to compare conceptual solutions using feasibility, cost, and environmental factors.

Learning Objectives

• Explain how predation and competition change access to resources and affect survival and reproduction
• Describe how mutualism can increase persistence of both species through shared benefits
• Connect changes in survival and reproduction rates to population size trends over time