Grade 7 Science Worksheets

Learning Objectives

• Describe how nutrient runoff, hydrocarbons, and airborne deposition can enter ecosystems.
• Explain how pollutants can affect organism health and alter food web interactions.
• Identify the role of bioaccumulation and biomagnification in aquatic and terrestrial systems.+ Show more

Learning Objectives

• Describe how light energy is converted into chemical energy during photosynthesis.
• Explain the process of cellular respiration and how organisms harvest energy from food.
• Connect chloroplast-based sugar production to mitochondrial ATP generation across different taxa.+ Show more

Learning Objectives

• Explain how particle kinetic and potential energy change during melting
• Describe energy absorption during melting using the idea of latent heat
• Distinguish physical phase changes from chemical changes

Learning Objectives

• Understand different types of adaptations: morphological, physiological, and behavioral.
• Identify examples of adaptations in various organisms and environments.
• Explain how adaptations improve survival and reproductive success.+ Show more

Learning Objectives

• Explain how design criteria describe what a solution must achieve in measurable ways.
• Differentiate design criteria from constraints and identify common examples of each.
• Use criteria and constraints to evaluate whether a design is acceptable, safe, and effective.

Learning Objectives

• Understand the hierarchy of biological organization from individuals to the biosphere
• Identify roles of producers, consumers, and decomposers in an ecosystem
• Explain the flow of energy through different trophic levels+ Show more

Learning Objectives

• Understand how running water causes erosion and transports sediments
• Identify the features formed by river erosion
• Describe the process of sediment sorting and deposition by rivers+ Show more

Learning Objectives

• Identify key organelles in plant and animal cells and understand their functions.
• Describe the differences between eukaryotic and prokaryotic cells.
• Connect cell structure features to their roles in cell processes like transport, synthesis, and compartmentalization.+ Show more

Learning Objectives

• Understand how atomic models represent the structure of atoms and molecules.
• Identify different types of atomic models: particle, ball-and-stick, and lattice structures.
• Explain the relationship between subatomic particles, atomic number, and chemical formulas.+ Show more

Learning Objectives

• Identify how to organize categorical and numerical data using consistent table headings and units
• Use metadata standards and timestamp conventions to support credible scientific recording
• Create observational logs that include replication details and annotated raw data for later validation+ Show more

Learning Objectives

• Explain how model evaluation compares predicted outcomes to evidence.
• Identify assumptions and missing factors that can cause a model to disagree with data.
• Describe how changing input parameters in a simulation can change outputs.+ Show more

Learning Objectives

• Understand different analytical indicators used to assess the purity of a substance.
• Recognize methods such as melting point, boiling point, conductivity, refractive index, and gravimetric residue.
• Evaluate how multiple criteria support robust purity assessments.+ Show more

Learning Objectives

• Translate distance–time and speed–time data tables into graphs of motion.
• Interpret graph features such as slope (rate) and compare how different curves show different motion.
• Use graphs to estimate average rate and reason about changing speed using familiar scenarios.+ Show more

Learning Objectives

• Understand the concept of plate tectonics and continental movement
• Identify geologic evidence supporting plate movements
• Explain the significance of seafloor features like mid-ocean ridges and trenches+ Show more

Learning Objectives

• Understand the processes and components involved in the rock cycle.
• Identify how tectonic activity and surface processes influence rock transformation.
• Explain the roles of uplift, erosion, burial, and melting in shaping Earth's crust.+ Show more

Learning Objectives

• Describe Earth’s lithospheric plates and how they move on the ductile mantle.
• Compare divergent, convergent, and transform plate boundaries and predict associated geologic hazards.
• Use plate-motion ideas to explain large-scale patterns such as mountain chains and earthquake zones.

Learning Objectives

• Identify common observable indicators of chemical reactions, including gas evolution, precipitate formation, color change, and temperature change
• Connect reaction evidence to underlying changes in chemical composition represented by symbolic formulas
• Explain how mass and energy relationships are consistent with observable evidence during chemical reactions

Learning Objectives

• Identify the independent variable, dependent variable, and controlled variables in a scientific investigation.
• Use tables and graphs to explain how the dependent variable changes in response to the independent variable.
• Describe how controlling variables improves the fairness and trustworthiness of experimental results.

Learning Objectives

• Explain how unequal solar heating and Earth’s rotation drive global atmospheric circulation patterns (cells, winds, and the Coriolis effect).
• Describe how large-scale ocean gyres and major currents redistribute heat and influence regional climate.
• Connect circulation features to expected patterns in precipitation and temperature.

Learning Objectives

• Understand different types of biotic interactions such as predation, competition, mutualism, commensalism, and parasitism.
• Explain how human actions can disrupt biotic relationships and affect ecosystems.
• Analyze the effects of biotic interactions on community structure and biodiversity.+ Show more

Learning Objectives

• Explain the different types of symbiosis: mutualism, commensalism, and parasitism.
• Identify Alberta-specific examples of symbiotic relationships.
• Understand ecological impacts of inter-species relationships on populations and habitats.+ Show more

Learning Objectives

• Explain how albedo affects reflected and absorbed solar radiation
• Describe how emissivity affects long-wave thermal radiation
• Compare how colours and coatings influence solar gain+ Show more

Learning Objectives

• Understand the production processes of common synthetic materials from natural resources.
• Identify different pathways like polymerization, refining, and chemical modification.
• Compare the properties, uses, and environmental impacts of materials like polyethylene, PET, nylon, and metals.+ Show more

Learning Objectives

• Understand the role of seasonal thermal cycles in regional climate and ecosystems.
• Identify how solar radiation, albedo effect, and phase changes influence energy storage and transfer.
• Explain the processes responsible for snowpack insulation, soil freeze-thaw, and lake stratification.+ Show more

Learning Objectives

• Explain how energy transfers occur through conduction, convection, and radiation
• Identify and compare the evidence of different energy transfer mechanisms in everyday situations
• Describe how energy can transform from one form into another in common devices

Learning Objectives

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

Learning Objectives

• Understand the basic concepts of ecological modeling
• Identify different types of models used in ecology
• Recognize the applications and limitations of ecological models+ Show more

Learning Objectives

• Explain ecological restoration principles, including reference conditions, active vs. passive approaches, and evidence-based goals
• Describe how species selection, genetic considerations, and habitat connectivity influence restoration planning
• Identify trade-offs between short-term recovery and long-term resilience, and connect restoration to monitoring and adaptive management

Learning Objectives

• Understand the importance of clear criteria for success in designing solutions.
• Identify measurable and observable goals in a design problem.
• Learn how trade-offs affect meeting different design criteria.+ Show more

Learning Objectives

• Explain how surface albedo and emissivity affect radiative heat exchange between structures and the environment.
• Describe how color and surface coatings (e.g., reflective roofs, low-emissivity glazing) change net radiative heat flux.
• Predict how diurnal and seasonal changes in irradiance influence the effectiveness of radiative heat strategies.

Learning Objectives

• Describe what happens to temperature during solid warming, melting, liquid warming, and boiling.
• Explain how particle arrangement and energy use differ during phase changes compared to temperature increases.
• Interpret features of a heating curve (rising segments vs. plateaus) using the particle model.

Learning Objectives

• Identify common observable indicators of chemical reactions, such as gas production, heat change, colour shifts, and precipitate formation.
• Describe reaction observations using clear scientific language and connect observations to possible reaction pathways and mass changes.
• Interpret qualitative evidence from real-world contexts (e.g., combustion emissions and spoilage-related gas release) to support explanations of chemical processes.

Learning Objectives

• Define net force as the vector sum of all forces acting on an object.
• Explain how unbalanced forces cause changes in motion.
• Use free-body diagrams to visualize forces.+ Show more

Learning Objectives

• Identify different types of evidence for adaptation in various populations
• Understand how trait differences among populations support the concept of natural selection
• Describe how fossil records and environmental responses provide evidence for adaptation

Learning Objectives

• Identify abiotic drivers (temperature gradients, light availability, soil composition, moisture regimes, and pH) and describe how they affect organisms.
• Explain how abiotic variability creates microhabitats and influences resource distribution and physiological constraints.
• Connect abiotic regimes to organism tolerance ranges and predict how species occurrence can change across physical gradients.

Learning Objectives

• Understand the basic concept of solubility.
• Identify factors affecting solubility such as temperature, pressure, and solvent polarity.
• Interpret solubility curves and concepts like saturation and supersaturation.+ 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

• Identify the main parts of levers
• Classify levers into first, second, and third classes
• Understand how pulleys change direction of force+ Show more

Learning Objectives

• Evaluate freshwater management options by identifying tradeoffs in cost, reliability, energy use, and environmental impact.
• Explain how design constraints (water quality, infrastructure limits, and altered flow patterns) affect water system decisions.
• Propose improvements that reduce risk from scarcity and pollution while supporting long-term sustainability.

Learning Objectives

• Differentiate weather from climate using time scales and patterns
• Explain how temperature, precipitation, humidity, and wind help describe weather
• Describe how geography and global energy patterns influence a region’s climate

Learning Objectives

• Understand the concepts of action and reaction forces
• Identify examples of Newton's Third Law in everyday life
• Explain how forces produce acceleration in systems like rockets and skaters

Learning Objectives

• Understand basic weather data and how it varies over time and location.
• Learn to identify weather patterns by analyzing temperature, wind, humidity, and pressure data.
• Recognize the difference between weather and climate.+ 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

• Explain how buoyancy and density differences drive convective heat transfer in fluids
• Describe how temperature gradients create circulation cells in air and water
• Use examples (sea/land breezes, thermals, lake overturning) to connect convection to environmental phenomena+ Show more

Learning Objectives

• Describe how beams and cantilevers respond to loads through bending, shear, and deflection
• Relate support conditions and load placement to internal force distribution (bending moment and shear force)
• Contrast bending-dominated members with axial-dominated members such as columns and truss bars+ Show more

Learning Objectives

• Explain how latitude affects the angle of sunlight and long-term temperature patterns
• Describe how elevation can lower temperature and influence precipitation
• Connect distance from water and ocean currents to changes in temperature and rainfall+ Show more

Learning Objectives

• Understand the difference between pure substances and mixtures
• Identify elements, compounds, and mixtures in everyday items
• Distinguish between homogeneous and heterogeneous mixtures+ Show more

Learning Objectives

• Understand how matter cycles through ecosystems via different nutrient pathways.
• Identify the roles of carbon, nitrogen, and phosphorus in nutrient cycling.
• Explain processes such as photosynthesis, respiration, decomposition, and bacterial transformations.+ Show more