Grade 7 Science Worksheets

Learning Objectives

• Describe how mathematical and statistical tools support understanding evolutionary processes.
• Analyze allele frequency changes, trait distributions, and population dynamics using models.
• Apply Hardy-Weinberg principles, rate calculations, and graphs to interpret genetic data.+ Show more

Learning Objectives

• Explain tradeoffs among freshwater options such as storage, recharge, recycling, and desalination.
• Identify design constraints (quality, infrastructure limits, ecosystem impacts) that affect water-system decisions.
• Use cause-and-effect reasoning to predict how changes in a water system can impact reliability and pollution risk.

Learning Objectives

• Understand the causes of deforestation and how it affects ecosystems.
• Analyze data and scientific indicators related to human impacts.
• Evaluate various mitigation strategies to reduce environmental damage.+ Show more

Learning Objectives

• Understand the principles of hazard identification in laboratory and field settings.
• Analyze the different types of risks associated with chemical, biological, electrical, and mechanical hazards.
• Apply appropriate mitigation strategies and control measures to ensure safety and compliance.+ Show more

Learning Objectives

• Understand key descriptive statistics such as mean, median, and mode.
• Explain concepts of dispersion including interquartile range and variance.
• Interpret graphical summaries and confidence intervals.+ Show more

Learning Objectives

• Understand the principles of measurement accuracy and precision.
• Identify sources of systematic and random measurement errors.
• Learn techniques for estimating and reporting measurement uncertainty.+ Show more

Learning Objectives

• Understand the concepts of independent, dependent, and controlled variables in experiments.
• Identify sources of confounding factors and how to minimize bias in scientific testing.
• Learn the importance of operational definitions, control groups, sampling considerations, and replication for valid causal conclusions.+ Show more

Learning Objectives

• Understand fundamental digital tools used for data acquisition, organization, and initial analysis.
• Identify common data formats such as CSV, timestamps, and metadata tags, and their roles in data interoperability.
• Learn basic sensor interfaces, spreadsheet functions, and techniques for data cleaning.+ Show more

Learning Objectives

• Understand the principles of selecting appropriate graph types for data presentation.
• Learn how to construct and interpret various types of graphs, including bar charts, histograms, line graphs, and scatter plots.
• Identify key features such as axis scaling, error bars, trend lines, and annotations for clarity in data visualization.+ Show more

Learning Objectives

• Understand the key concepts of modeling and simulation in science.
• Identify different types of models and their purposes.
• Explain the importance of assumptions, scaling, and validation in modeling.+ Show more

Learning Objectives

• Understand how friction acts as a force opposing motion and how surface roughness affects resistance.
• Explain how gravity causes acceleration and influences objects in free fall or on inclines.
• Differentiate between contact forces like friction and long-range forces such as gravity.+ Show more

Learning Objectives

• Understand the basic concepts of speed, velocity, and acceleration through examples.
• Distinguish between scalar and vector quantities in motion scenarios.
• Analyze motion cases such as a bicycle accelerating, a car braking, and a ball thrown upward.+ Show more

Learning Objectives

• Understand the core principles of Newton's three laws of motion.
• Explain how force and mass affect motion using real-world examples.
• Identify examples of inertia, acceleration, and action–reaction pairs in everyday systems.+ Show more

Learning Objectives

• Interpret and describe patterns of motion from distance–time and velocity–time graphs.
• Relate slopes to speed and understand areas under velocity curves as displacement.
• Compare different types of motion graphs qualitatively using real-world examples.+ Show more

Learning Objectives

• Understand human impacts on ecosystems, including habitat change, pollution, resource extraction, and invasive species.
• Recognize the consequences of human activities on species diversity, ecosystem functions, and resilience.
• Learn principles of ecological stewardship such as mitigation, habitat protection, restoration, and monitoring.+ Show more

Learning Objectives

• Identify characteristics of invasive species
• Understand ecological and economic consequences
• Recognize pathways of species introduction+ Show more

Learning Objectives

• Understand the concept of species richness and its importance in ecological communities.
• Identify different habitats based on biodiversity measures.
• Interpret values of biodiversity indices and their ecological implications.+ Show more

Learning Objectives

• Define trophic levels in an ecosystem.
• Explain how energy is transferred between trophic levels.
• Calculate energy transfer efficiency in ecological pyramids.+ Show more

Learning Objectives

• Identify major sources of anthropogenic pollution relevant to Alberta (nutrient runoff, hydrocarbons, and airborne deposition).
• Explain how pollutants move through ecosystems (runoff, atmospheric deposition, and food-web transfer).
• Describe how pollution can change organism health and ecosystem chemistry, including risks from bioaccumulation.+ Show more

Learning Objectives

• Understand how material properties influence heat flow and energy efficiency.
• Identify examples of insulation in Alberta regional architecture.
• Explain the importance of R-values, thermal bridges, and lifecycle energy in building design.+ Show more

Learning Objectives

• Understand the role of predators and prey in ecosystems.
• Identify examples of predator-prey relationships.
• Analyze how predator behaviors influence prey populations.+ Show more

Learning Objectives

• Explain how engineered and composite materials (cross-laminated timber, fibre-reinforced polymers, and high-performance concrete) achieve improved strength, stiffness, and durability.
• Describe how manufacturing methods and microstructure influence material performance and long-term reliability.
• Evaluate trade-offs among cost, fabrication complexity, and performance when selecting advanced materials for buildings and bridge retrofits.+ Show more

Learning Objectives

• Understand various methods of organizing data such as tables and graphs.
• Interpret graphical displays to identify trends and relationships.
• Select appropriate graph types for different data sets.+ Show more

Learning Objectives

• Distinguish temperature from internal energy and explain temperature as a measure of average kinetic energy
• Describe how thermal energy flows from higher to lower internal energy and why this flow stops at thermal equilibrium
• Explain that energy is conserved during heat exchange (energy transfers, it is not created or destroyed)

Learning Objectives

• Understand the principles of calorimetry and energy transfer measurements.
• Apply calorimetric reasoning to real-world thermal scenarios.
• Interpret energy conservation equations related to heat transfer and temperature change.+ Show more

Learning Objectives

• Understand the key elements of designing a fair experiment.
• Identify and define variables in experimental setups.
• Learn the importance of reproducibility, sample size, and safety considerations.+ Show more

Learning Objectives

• Understand the drivers of climate change including greenhouse gases, land-use change, and natural variability.
• Analyze evidence from temperature and CO₂ records to interpret climate trends.
• Assess impacts of climate change on sea level, precipitation, and agriculture.+ Show more

Learning Objectives

• Understand the processes of deposition and their role in landform creation.
• Identify different depositional environments and features.
• Describe characteristics of sediment layers and depositional processes.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the relationship between particle motion and temperature.
• Learn how heat transfer occurs through conduction, convection, and radiation.
• Explore regional examples of thermal phenomena in Alberta's climates.+ Show more

Learning Objectives

• Understand the basic principles of the particle model of matter.
• Explain how particle arrangement and motion influence states of matter.
• Describe phenomena like diffusion, evaporation, and condensation using the particle model.+ Show more

Learning Objectives

• Understand the systematic approaches used in ecological inquiry.
• Recognize the importance of hypotheses and measurable variables in ecology.
• Analyze local examples such as riparian health of the Bow River to interpret ecological relationships.+ Show more

Learning Objectives

• Understand the physical and chemical methods used in separating components of bitumen from oil sands.
• Identify the differences between physical separation techniques and chemical treatments in processing mixtures.
• Recognize how process variables such as density, particle size, additives, and temperature affect separation outcomes.+ Show more

Learning Objectives

• Understand the process of convection and how it transfers heat through fluids.
• Identify examples of natural and forced convection in real-world scenarios.
• Explain the role of buoyancy forces, boundary layers, and flow patterns in convection.+ Show more

Learning Objectives

• Understand the key factors that influence the solubility of substances.
• Explain how temperature, pressure, and surface area impact the dissolving process.
• Identify real-life examples of solubility variation under different conditions.+ Show more

Learning Objectives

• Understand the principles of mass conservation in physical and chemical systems.
• Identify real-world applications of mass balancing in environmental and industrial processes.
• Analyze examples of closed systems such as reactors, emissions containment, and corrosion tests.+ Show more

Learning Objectives

• Identify components of ecosystems including biotic and abiotic factors.
• Understand the roles of producers, consumers, and decomposers.
• Describe energy flow within an ecosystem from sunlight to organic matter.+ Show more

Learning Objectives

• Understand what invasive species are and how they differ from native species.
• Identify common pathways through which invasive species are introduced into new environments.
• Recognize ecological and economic consequences caused by invasive species.+ Show more

Learning Objectives

• Understand the physical layers and stratification of lakes and ponds
• Identify oxygen gradients and light penetration in freshwater systems
• Explain how abiotic factors influence community composition and zonation+ Show more

Learning Objectives

• Understand the principles of ecological restoration
• Identify different approaches in habitat restoration
• Recognize key factors in successful restoration projects+ Show more

Learning Objectives

• Understand basic concepts of population growth models
• Distinguish between exponential and logistic growth
• Identify limiting factors influencing population size+ Show more

Learning Objectives

• Identify the role of producers in ecosystems
• Describe how producers convert sunlight into food
• Differentiate between producers and consumers+ Show more

Learning Objectives

• Understand basic population growth models, including exponential and logistic growth.
• Identify factors that limit population size such as food availability, predation, disease, and abiotic stresses.
• Distinguish between density-dependent and density-independent factors affecting populations.+ Show more

Learning Objectives

• Understand the concept of measurement uncertainty and its importance in scientific measurements.
• Identify and distinguish between sources of systematic and random errors in measurements.
• Learn how to interpret significant figures and proper reporting of measurement results.+ Show more

Learning Objectives

• Understand the concept of tradeoffs in land use decisions
• Analyze how human choices affect the environment and community
• Evaluate the long-term impacts of land development and conservation+ Show more

Learning Objectives

• Understand the principles of lever classes and pulley systems in reducing effort.
• Explain how torque, fulcrum placement, and mechanical advantage relate through geometry.
• Apply simple arithmetic to determine effort and load relationships in common lever and pulley setups.+ Show more

Learning Objectives

• Understand the origins and formation of the solar system.
• Identify key properties and features of planets and other celestial bodies.
• Describe orbital relationships and phenomena such as eclipses and phases.+ Show more

Learning Objectives

• Understand major human-induced alterations to ecosystems such as habitat fragmentation, pollution, and invasive species.
• Identify examples like deforestation and eutrophication and their effects on biodiversity.
• Explain how human activities impact ecosystem services, trophic structures, and community composition.+ Show more