Grade 7 Science Worksheets

Learning Objectives

• Understand the key processes involved in landscape evolution, including tectonic uplift, volcanic activity, and surface processes.
• Identify how climate influences weathering, erosion, and sediment transport in landscape change.
• Explain the cycle of mountain building and denudation over geologic time.+ Show more

Learning Objectives

• Understand how habitat fragmentation affects ecosystems and species.
• Identify the consequences of habitat fragmentation on biodiversity.
• Analyze strategies like corridors to mitigate habitat fragmentation effects.+ Show more

Learning Objectives

• Understand the definition of saturation and supersaturation in solutions.
• Identify examples of saturation and supersaturation in real-world scenarios.
• Explain the conditions leading to solubility limits and phase changes between dissolved and solid states.+ Show more

Learning Objectives

• Explain how anthropogenic pollutants enter aquatic and terrestrial ecosystems through different exposure pathways.
• Describe how pollution can affect organism health and disrupt food web integrity.
• Connect pollutant sources (nutrient runoff, hydrocarbons, airborne deposition) to measurable ecological changes.

Learning Objectives

• Understand the concept of conservation of mass in chemical reactions.
• Explain how mass is balanced in closed-system reactions.
• Predict product masses based on reactant measurements using mass relationships.+ Show more

Learning Objectives

• Describe different types of population interactions such as competition, predation, and mutualism.
• Explain how populations compete for resources and how this affects community composition.
• Identify mechanisms like niche partitioning, temporal separation, and habitat differentiation that enable species to coexist.+ Show more

Learning Objectives

• Understand the classification of matter into pure substances, mixtures, and solutions.
• Identify characteristics of elements, compounds, and homogeneous mixtures.
• Explain real-world examples of different matter types under environmental conditions.+ Show more

Learning Objectives

• Explain the purpose of filtration in separating mixtures
• Identify how particle size affects which materials pass through a filter
• Use physical property clues to predict filter results

Learning Objectives

• Identify the main idea and key vocabulary (tension, compression, load path) from an informational passage.
• Explain, using qualitative reasoning, how truss members carry loads through triangular shapes.
• Judge whether a truss behavior is better described as tension or compression based on the described member role.

Learning Objectives

• Explain how the particle model describes matter as atoms and molecules in constant motion.
• Describe how chemical changes involve breaking and forming bonds between particles.
• Use the particle model to justify why mass is conserved in a closed system.

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 trophic levels and understand their roles in ecosystems
• Explain the concept of energy transfer between trophic levels
• Describe why energy diminishes at higher trophic levels+ Show more

Learning Objectives

• Understand predator and prey relationships
• Identify examples of predator-prey interactions in ecosystems
• Explain the importance of predator-prey dynamics in maintaining ecological balance

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

• Identify biotic and abiotic components in an ecosystem
• Understand the interaction between living organisms and their environment
• Explain how energy flows through an ecosystem

Learning Objectives

• Explain how solubility depends on the nature of the solute and solvent, temperature, and pressure.
• Describe how surface area, particle size, and agitation affect the rate and extent of dissolution.
• Apply solubility factors to real-world situations such as lake salt changes and winter road de-icing.

Learning Objectives

• Understand what invasive species are and how they affect native ecosystems.
• Identify mechanisms by which invasive species spread and establish.
• Analyze ecological consequences of invasive species on biodiversity and habitat structure.+ Show more

Learning Objectives

• Understand how test results inform design modifications.
• Identify specific weaknesses in performance data.
• Connect evidence from data to targeted design changes.+ Show more

Learning Objectives

• Understand how simple systems and mechanisms transfer motion and force.
• Identify different types of mechanisms like gears, pulleys, and levers.
• Explain how connecting components in a system clarifies energy transfer and performance.+ Show more

Learning Objectives

• Understand the concept of design criteria and constraints in problem-solving.
• Identify measurable and observable criteria for evaluating solutions.
• Analyze trade-offs when meeting multiple design requirements.+ Show more

Learning Objectives

• Understand the roles of producers and consumers in an ecosystem
• Identify different types of consumers: primary, secondary, tertiary
• Explain how energy transfer occurs in food chains and food webs+ Show more

Learning Objectives

• Compare mutualism, commensalism, and parasitism based on how both species are affected.
• Use ecological examples to explain how symbiosis influences population sizes and community structure.
• Describe how adaptations and coevolution can develop in species that interact over time.

Learning Objectives

• Understand different types of pollutants relevant to Alberta contexts.
• Identify pathways of pollutant exposure and bioaccumulation risks.
• Recognize ecological impacts of various pollutants across terrestrial and aquatic systems.+ Show more

Learning Objectives

• Understand the drivers of seasonal and annual migration in animals.
• Identify examples of migration routes and their ecological significance.
• Explain how migration connects different ecosystems and supports biodiversity.+ Show more

Learning Objectives

• Understand the role of oral histories and place-based knowledge in ecological understanding.
• Recognize examples of stewardship and land-use practices derived from indigenous knowledge systems.
• Analyze how different knowledge systems contribute to interpreting environmental patterns.+ Show more

Learning Objectives

• Understand the components of food webs including producers, consumers, and decomposers.
• Explain the direction of energy flow in food webs and how species interactions affect ecosystem stability.
• Identify regional examples of food web relationships in Alberta wetlands and river systems.+ Show more

Learning Objectives

• Understand the main factors influencing population size and distribution.
• Identify how environmental and human activities affect regional biodiversity.
• Analyze the impact of resource availability, climate, and land use on populations.+ Show more

Learning Objectives

• Understand the hydrological, chemical, and biological functions of wetlands.
• Identify examples of wetland processes such as water storage, nutrient cycling, and filtration.
• Recognize the role of wetlands in supporting biodiversity and landscape water regulation.+ Show more

Learning Objectives

• Understand the various measures used to assess biodiversity, including richness, evenness, and habitat heterogeneity.
• Interpret what different biodiversity metrics reveal about ecosystem resilience and health.
• Evaluate the relationship between habitat complexity and species assemblages in Alberta contexts.+ Show more

Learning Objectives

• Understand the concept of ecological models and their applications.
• Identify different types of modelling approaches and their uses.
• Recognize regional examples of ecological models, such as watershed nutrient models.+ Show more

Learning Objectives

• Classify chemical reactions as synthesis, decomposition, single displacement, double displacement, acid–base neutralization, or combustion
• Use particle-level reasoning to explain how atoms are conserved during reaction type changes
• Predict the general product type for common reaction patterns using balanced chemical ideas

Learning Objectives

• Understand the principles of mass conservation in chemical and environmental systems.
• Identify practical examples and applications of mass balancing in real-world scenarios.
• Explain how conservation principles are used in waste management and environmental monitoring.+ Show more

Learning Objectives

• Define and identify basic motion quantities: distance and time.
• Understand the units used to measure distance and time.
• Calculate average speed using distance and time.+ Show more

Learning Objectives

• Define and identify structural, physiological, and behavioral adaptation traits in species.
• Explain how adaptive traits contribute to survival and reproduction in specific environments.
• Analyze examples of adaptation in boreal species, prairie plants, mammals, and root architectures.+ Show more

Learning Objectives

• Understand the classification of matter into pure substances, mixtures, and solutions based on uniformity and measurable properties.
• Identify characteristics of elements and compounds as pure substances with fixed compositions.
• Differentiate between variable composition mixtures and homogeneous solutions.+ Show more

Learning Objectives

• Describe different adaptation traits in plants and animals in various habitats.
• Explain how adaptations contribute to survival and niche occupation.
• Identify specific adaptation traits such as drought resistance, cold tolerance, and seasonal coat changes.+ Show more

Learning Objectives

• Identify problems, criteria, constraints, solutions, and prototypes
• Sequence the steps of the engineering design process
• Compare design solutions using criteria and test data+ Show more

Learning Objectives

• Identify matter, particles, and the three states of matter.
• Compare particle arrangement and movement in solids, liquids, and gases.
• Explain changes of state using the particle model.+ Show more

Learning Objectives

• Understand the concepts of span, support conditions, and load types in beam performance.
• Relate beam behavior to real-world examples like highway overpasses and building floor joists.
• Evaluate how span-to-depth ratios, material stiffness, and service loads affect beam stability and comfort.+ Show more

Learning Objectives

• Define physical change and distinguish it from chemical change.
• Identify examples of physical changes in everyday life.
• Understand the reversibility of physical changes.+ Show more

Learning Objectives

• Identify signs that a physical change has occurred, such as reversible phase changes and changes in shape or size.
• Explain how particle rearrangement and energy changes can produce physical changes without forming new substances.
• Use evidence from mass measurements in closed systems to support whether a change is physical or chemical.

Learning Objectives

• Understand how energy pathways are represented in system models.
• Identify energy transformations and conservation principles in regional energy systems.
• Interpret Sankey diagrams and energy flow diagrams to evaluate efficiencies.+ Show more

Learning Objectives

• Understand the classification of matter into pure substances, mixtures, and solutions.
• Identify properties of pure substances, including fixed composition and melting points.
• Differentiate between mixtures and solutions based on uniformity and separability.+ Show more

Learning Objectives

• Understand how material properties influence heat transfer in building insulation.
• Identify examples of insulation techniques used in Alberta's climate.
• Evaluate the impact of R-values and thermal bridges on energy efficiency.+ Show more

Learning Objectives

• Identify substances based on observable physical properties such as color, density, melting point, and boiling point.
• Understand how physical properties help in differentiating materials.
• Explain how substances respond to heat and solubility in water.+ Show more

Learning Objectives

• Understand how conservation of mass relates to chemical reactions in closed systems.
• Identify how mass accounting can predict reaction yields and assess reaction completeness.
• Explain examples of sealed combustion and corrosion assays in studying mass transfer.+ Show more

Learning Objectives

• Understand different separation techniques based on physical properties.
• Identify methods like filtration, decanting, evaporation, and magnetic separation.
• Explain real-world examples of mixture separation in regional contexts.+ Show more

Learning Objectives

• Understand what constitutes a physical change and its signs.
• Identify examples of physical changes in real-world contexts.
• Recognize indicators that a change is physical rather than chemical.+ Show more