Grade 7 Science Worksheets

Learning Objectives

• Understand the differences between homogeneous and heterogeneous mixtures.
• Identify insoluble and soluble substances in various mixtures.
• Describe methods used to separate different types of mixtures.+ Show more

Learning Objectives

• Explain the transfer of energy through different trophic levels in ecosystems.
• Calculate and interpret trophic efficiency percentages in various environments.
• Describe how biomass pyramids illustrate energy flow and limitations at higher levels.+ Show more

Learning Objectives

• Compare design alternatives using clear criteria and evidence from testing or observations.
• Justify a final design choice by linking each criterion to outcomes and constraints.
• Explain how tradeoffs are managed and how design parameters can be refined when results are not sufficient.

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

• Differentiate between physical changes and chemical changes using evidence from observations.
• Identify indicators of chemical change such as gas production, precipitate formation, color change, or temperature change.
• Explain how matter can change form or state without creating a new substance.+ Show more

Learning Objectives

• Describe the principles of chromatographic separation, including differential partitioning and the roles of stationary and mobile phases.
• Identify the applications of paper and thin-layer chromatography using plant dyes and ink examples.
• Interpret retention factors, resolution, and limitations in chromatography.+ Show more

Learning Objectives

• Explain how vapor pressure and boiling point differences allow separation of miscible liquids using simple distillation.
• Describe the roles of condensation and collection in producing a distillate with higher purity.
• Identify common limitations of distillation, including close boiling points and azeotropes.+ Show more

Learning Objectives

• Compare elements and compounds using atomic composition, chemical formulas, and bonding
• Explain how chemical combination changes observable properties such as melting point and conductivity
• Identify substances as elements or compounds based on particle type and fixed ratios

Learning Objectives

• Understand how tectonic processes influence landscape changes
• Identify the role of uplift, erosion, and climate in shaping terrain
• Explain the cycle of mountain building and denudation+ 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 the roles of independent, dependent, and controlled variables in experiments.
• Explain the importance of operational definitions and clear criteria in variable measurement.
• Identify sources of confounding and how to minimize bias in experimental design.+ Show more

Learning Objectives

• Understand how to define clear and measurable design problems
• Identify societal and environmental requirements to set constraints
• Translate real-world needs into quantitative targets for solutions+ Show more

Learning Objectives

• Understand the physical and chemical methods used in separating bitumen from oil sands.
• Identify and differentiate between physical separation and chemical treatment processes.
• Analyze how temperature, density, and additives influence the separation process.+ Show more

Learning Objectives

• Understand the signs that indicate a chemical change has occurred.
• Identify different types of evidence such as colour change, gas release, and precipitate formation.
• Explain at the particle level how bonds are broken and formed during chemical changes.+ 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

Learning Objectives

• Understand the application of mass conservation principles in chemical and environmental systems.
• Identify practical examples of mass budgeting in closed and near-closed systems.
• Analyze regional case studies involving conservation principles and mass tracking.+ Show more

Learning Objectives

• Explain how phase changes involve energy absorption or release without altering chemical identity.
• Describe latent heat phenomena during melting, freezing, evaporation, and condensation.
• Connect microscopic particle interactions to macroscopic energy behaviors during phase changes.+ Show more

Learning Objectives

• Explain the law of conservation of mass and its importance in physical and chemical changes.
• Predict mass relationships in closed systems based on reactants and products.
• Observe and describe experiments demonstrating mass conservation in sealed reactions.+ Show more

Learning Objectives

• Identify observable indicators of chemical reactions such as gas production, heat exchange, colour shifts, and precipitate formation.
• Explain how qualitative evidence supports understanding of reaction types and extents.
• Connect observational patterns to reaction pathways and particle interactions.+ Show more

Learning Objectives

• Explain the particle model and how it describes the structure of matter.
• Relate microscopic particle behavior to macroscopic phenomena like evaporation and condensation.
• Differentiate between physical rearrangements and chemical changes using the particle model.+ Show more

Learning Objectives

• Understand the key factors that influence solubility in liquids and gases.
• Recognize how temperature, pressure, surface area, and agitation affect dissolving processes.
• Identify real-world examples of solubility variation in nature and industry.+ Show more

Learning Objectives

• Understand the properties that characterize pure substances such as melting point, boiling point, density, and reactivity.
• Differentiate between elements and compounds through physical and chemical tests.
• Identify examples of pure substances in local contexts like Alberta mines and limestone.+ 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

• Understand how solution concentration quantifies the amount of solute relative to solvent.
• Identify common measures of concentration such as mass percent and grams per litre.
• Explain how concentration affects physical properties like boiling point and freezing point.+ Show more

Learning Objectives

• Define and distinguish between pure substances, mixtures, and solutions.
• Identify examples of each classification from real-world scenarios.
• Understand measurable properties like melting points and how they relate to substance classification.+ Show more

Learning Objectives

• Understand the concept of carrying capacity
• Identify factors that influence an ecosystem's capacity to support organisms
• Recognize the importance of balancing population size with available resources

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Explain how unbalanced forces cause changes in an object's motion.
• Describe the relationship among net force, mass, and acceleration using diagrams and reasoning.+ Show more

Learning Objectives

• Explain how natural selection works using the ideas of heritable variation and differential survival and reproduction.
• Identify examples of how environmental pressures can change allele or trait frequencies over generations.
• Distinguish natural selection from changes caused by an organism’s lifetime behavior or “trying to adapt.”+ Show more

Learning Objectives

• Understand the principles of relative dating such as superposition, original horizontality, and cross-cutting relationships.
• Identify how fossils, unconformities, and intrusive contacts serve as markers for correlating rock layers.
• Explain how stratigraphic data can be used to construct sequences of Earth’s geological events.+ Show more

Learning Objectives

• Understand factors that influence seasonal and annual migration in animals.
• Identify examples of migration in Alberta, such as waterfowl flyways and ungulate movements.
• Analyze the timing, energetic demands, and ecological importance of migration.+ Show more

Learning Objectives

• Understand different long-term ecological monitoring techniques used in Alberta.
• Identify factors influencing sampling design and data quality.
• Recognize how consistent monitoring can detect ecological trends over time.

Learning Objectives

• Understand the criteria used to evaluate species conservation risk.
• Interpret evidence related to population trends and threats.
• Analyze how land use, genetic diversity, and connectivity influence species vulnerability.+ Show more

Learning Objectives

• Describe the different types of inter-species relationships in ecology.
• Identify examples of mutualism, commensalism, and parasitism in Alberta habitats.
• Explain ecological consequences of symbiosis on community structure and population dynamics.+ Show more

Learning Objectives

• Understand how sunlight, soil, water, temperature, and topography affect ecosystems.
• Identify cause-and-effect relationships between environmental factors and living organisms.
• Describe regional community patterns in Alberta landscapes such as mountain valleys and prairie grasslands.+ Show more

Learning Objectives

• Understand different types of pollutants and their sources in Alberta contexts.
• Identify pathways of pollutant exposure and bioaccumulation risks.
• Link pollutant sources to measurable ecological effects on ecosystems.+ Show more

Learning Objectives

• Understand the systematic approaches involved in ecological inquiry.
• Identify key variables and evidence used in ecological data analysis.
• Evaluate ecological relationships and human impacts through evidence interpretation.+ Show more

Learning Objectives

• Understand the hydrological, chemical, and biological functions of wetlands.
• Identify examples of wetland roles such as water storage, nutrient cycling, and habitat provision.
• Differentiate among wetland types like peatlands and marshes based on their functions.+ Show more

Learning Objectives

• Understand the role of oral histories and place-based knowledge in ecological understanding.
• Identify examples of stewardship practices within Indigenous communities in Alberta.
• Explain how different knowledge systems contribute to interpreting environmental patterns.+ Show more

Learning Objectives

• Understand different types of adaptation traits in various species.
• Analyze how environmental pressures influence trait development.
• Identify examples of physiological, structural, and behavioral adaptations.+ Show more

Learning Objectives

• Understand the different levels of ecological organization from individuals to ecosystems.
• Identify properties and processes unique to each level of organization.
• Analyze examples of ecological levels using Alberta-specific scenarios.+ Show more

Learning Objectives

• Understand different measures of biodiversity such as richness, evenness, and habitat heterogeneity.
• Interpret what biodiversity metrics reveal about ecosystem resilience and health.
• Analyze the relationship between habitat complexity and species assemblages.+ Show more

Learning Objectives

• Explain how energy flows through organisms in a food web from producers to consumers and decomposers.
• Identify how removing or adding a species can change trophic connections and affect ecosystem stability.
• Use vocabulary from food webs (producer, consumer, decomposer, trophic level) to describe feeding relationships.

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 physical and biological disturbances influence ecosystem dynamics.
• Interpret empirical data to determine causes of population changes in ecosystems.
• Describe mechanisms of ecosystem resilience, resistance, and succession.+ Show more

Learning Objectives

• Understand the relationship between heat, mass, and temperature change using the equation Q = mcΔT.
• Calculate the amount of heat energy required to change the temperature of various substances.
• Explain factors affecting heat transfer such as area, temperature gradient, and time.+ Show more

Learning Objectives

• Understand how distance–time and speed–time graphs represent motion.
• Interpret the meaning of slopes and areas under curves in motion graphs.
• Learn methods to compute average and instantaneous rates from graphs.+ Show more