Grade 7 Science Worksheets

Learning Objectives

• Understand the different types of interactions between populations such as competition, predation, and mutualism.
• Identify how these interactions influence community composition and population dynamics.
• Explain concepts like resource partitioning and niche separation that allow coexistence of species.+ Show more

Learning Objectives

• Understand the mechanisms of active transport in cells and how molecules are moved against concentration gradients.
• Identify the role of membrane proteins like pumps in active transport.
• Describe vesicular transport processes such as endocytosis and exocytosis.+ Show more

Learning Objectives

• Understand how cells organize into tissues, organs, and systems.
• Identify different tissue types and their functions.
• Explain the role of tissues in supporting organism activities.+ Show more

Learning Objectives

• Describe the roles of producers and consumers in an ecosystem.
• Explain how energy transfer occurs between trophic levels and why it is inefficient.
• Understand the structure of energy pyramids and population dynamics within a food web.+ Show more

Learning Objectives

• Understand the role of the nucleus in cellular activities.
• Identify the components of the nucleus and their functions.
• Explain how nuclear processes influence cell growth and response.+ Show more

Learning Objectives

• Understand how deposition shapes various landforms such as deltas, beaches, and glacial features.
• Identify characteristics of depositional processes and their geological evidence.
• Explain the formation of stratigraphic layers and their significance in interpreting past environments.+ Show more

Learning Objectives

• Understand how cellular structures and transport mechanisms work together to maintain homeostasis.
• Identify the roles of transport proteins, membrane pumps, and hormones in regulating nutrient and ion levels.
• Explain how organ systems coordinate to match supply and demand for water, nutrients, and ions.+ Show more

Learning Objectives

• Describe the stages involved in the formation of sedimentary rocks.
• Identify the processes of weathering, transport, and deposition.
• Explain how sedimentary structures and fossils provide information about Earth's past environments.+ Show more

Learning Objectives

• Explain the difference between passive and active transport mechanisms across cell membranes.
• Describe how diffusion, osmosis, and active transport operate to move substances in and out of cells.
• Identify the roles of membrane proteins in facilitating selective transport and maintaining ion balance.+ Show more

Learning Objectives

• Identify the functions of key organ systems such as circulatory, respiratory, and digestive.
• Explain how tissues and organs work together within organ systems to perform vital life functions.
• Describe the specialized structures that increase efficiency in gas exchange and nutrient absorption.+ Show more

Learning Objectives

• Understand the structure and function of different specialized cells in the human body and plants.
• Identify morphological features that enable cells to perform their specific roles efficiently.
• Explain how cellular specialization contributes to the overall functioning of tissues and organs.+ Show more

Learning Objectives

• Understand the difference between closed and open systems in terms of matter transfer.
• Explain how mass is conserved in a closed system during reactions.
• Identify scenarios where systems are open versus closed and interpret mass changes accordingly.+ Show more

Learning Objectives

• Explain Newton’s third law using the idea of equal and opposite force pairs between two interacting objects
• Distinguish between the action-reaction forces on different objects and relate them to motion using mass and acceleration
• Apply action-reaction reasoning to both contact forces and noncontact forces such as gravity

Learning Objectives

• Explain density using the particle view (mass per unit volume and particle spacing).
• Predict how density changes when temperature changes and particles spread out or come closer together.
• Use particle reasoning to explain sinking and floating based on density differences.

Learning Objectives

• Explain how friction opposes relative motion between two touching surfaces
• Use force comparisons (applied force vs. friction) to predict whether motion speeds up, slows down, or stays constant
• Describe how surface texture affects the magnitude of friction and the outcome of motion

Learning Objectives

• Define and identify physical properties such as density, melting point, boiling point, color, hardness, solubility, and electrical conductivity.
• Explain how physical properties can be used to identify and separate substances.
• Describe the concepts of density and solubility and their practical applications in material identification.+ Show more

Learning Objectives

• Define and differentiate physical change from chemical change.
• Identify common examples of physical changes in everyday life.
• Describe the properties that change during physical changes.+ Show more

Learning Objectives

• Explain phase changes using energy transfer and particle motion and arrangement.
• Differentiate melting, freezing, evaporation, and condensation in terms of energy flow.
• Use the particle model to predict properties of solids, liquids, and gases during and after phase changes.

Learning Objectives

• Understand the different types of phase changes and what causes them.
• Describe how energy transfer affects particle arrangement during phase transitions.
• Identify the processes involved in melting, freezing, vaporization, condensation, sublimation, and deposition.+ Show more

Learning Objectives

• Understand how observable physical and chemical properties influence material selection for specific applications.
• Learn to match material properties such as corrosion resistance, hardness, melting point, solubility, and reactivity to application requirements.
• Recognize the importance of chemical stability, density, and strength in structural and environmental decision-making.+ Show more

Learning Objectives

• Understand the differences between mixtures and pure substances.
• Identify the observable traits of heterogeneous and homogeneous mixtures.
• Learn methods of separation based on physical properties such as filtration, evaporation, and distillation.+ Show more

Learning Objectives

• Understand the different types of energy changes in chemical reactions.
• Distinguish between exothermic and endothermic reactions based on energy transfer.
• Explain how bond breaking and formation relate to energy absorption and release.+ Show more

Learning Objectives

• Identify major freshwater water-supply and treatment options and describe their key tradeoffs.
• Explain how design constraints (water quality, infrastructure limits, and ecosystem impacts) affect water-system decisions.
• Use cause-and-effect reasoning to predict risks from scarcity, pollution, or altered flow patterns.+ Show more

Learning Objectives

• Explain how gravity provides the centripetal force needed for orbital motion
• Describe why objects follow curved (often elliptical) paths instead of traveling in straight lines
• Use the balance between gravity and inertia to predict repeating orbital patterns

Learning Objectives

• Explain how infiltration and aquifers contribute to groundwater storage in the water cycle
• Describe how hydraulic pressure differences and gravity influence groundwater movement
• Identify how recharge and pumping affect groundwater levels, baseflow, and water availability+ Show more

Learning Objectives

• Explain how Earth’s tilt and yearly orbit change the Sun’s apparent height and daylight length.
• Describe how seasonal solar energy patterns differ between the Northern and Southern Hemispheres.
• Use evidence from day length changes to predict summer and winter conditions at different latitudes.

Learning Objectives

• Describe how the water cycle moves water among the atmosphere, land, and oceans.
• Explain how energy from the Sun and cooling lead to evaporation and condensation.
• Model how gravity drives precipitation and how runoff and infiltration return water to Earth’s systems.

Learning Objectives

• Explain how producers convert light energy into chemical energy during photosynthesis
• Describe how carbon dioxide and water are used to build sugars and store energy in biomass
• Connect photosynthesis to the flow of matter and the availability of energy through food chains

Learning Objectives

• Identify the characteristics that define pure substances and mixtures.
• Differentiate between elements, compounds, and mixtures using examples.
• Understand the criteria for classifying substances as pure or impure.+ Show more

Learning Objectives

• Understand the factors affecting solubility such as temperature, pressure, and solvent polarity.
• Interpret and analyze solubility curves and concepts of saturation and supersaturation.
• Explain how solubility concepts relate to solution processes like recrystallization, separation, and concentration calculations.+ Show more

Learning Objectives

• Understand the principles of simple distillation and its applications.
• Identify the factors affecting vapour pressure and boiling point differences in distillation.
• Explain the limitations of simple distillation with close-boiling mixtures and azeotropes.+ Show more

Learning Objectives

• Understand the importance of ethical considerations in STEM communication.
• Identify responsible practices for data sharing and attribution.
• Recognize conventions for transparent reporting and graphical annotation.+ Show more

Learning Objectives

• Define and understand the physical properties used as diagnostic criteria.
• Link macroscopic measurements to molecular structure and intermolecular forces.
• Explain how density, phase-change temperatures, and conductivity differentiate substances.+ Show more

Learning Objectives

• Understand core concepts of optimization in design, including key performance metrics and constraints.
• Identify different methods such as parameter variation and sensitivity analysis used to improve design outcomes.
• Evaluate trade-offs among strength, cost, durability, and sustainability in engineering decisions.+ 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 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 classification of mixtures into solutions, colloids, and suspensions based on uniformity and particle size.
• Identify examples of each mixture type such as salt water, milk, and muddy water.
• Explain the concepts of homogeneous and heterogeneous mixtures and their observable characteristics.+ Show more

Learning Objectives

• Understand the key steps of the scientific inquiry process including question formulation, hypothesis development, and operational definitions.
• Identify and explain variables, measurement accuracy, and reproducibility in experiments.
• Recognize laboratory safety protocols such as PPE, chemical labeling, and emergency signage.+ Show more

Learning Objectives

• Understand how to quantify energy transfer in heat processes using numerical representations.
• Apply formulas involving specific heat, mass, and temperature change to calculate energy in Joules and kilojoules.
• Explore real-world thermal processes in Alberta, including heating water, melting snow, and warming air.+ Show more

Learning Objectives

• Understand how differential survival and reproduction influence the prevalence of adaptive traits in populations.
• Identify the roles of variation, heritability, and selective pressures in evolution.
• Analyze examples such as pesticide resistance and camouflage to illustrate natural selection.+ Show more

Learning Objectives

• Understand how to organize data into tables and graphs for analysis.
• Identify appropriate graph types for different data sets.
• Interpret trends and relationships from charts and summary statistics.+ Show more

Learning Objectives

• Understand the criteria used to assess the conservation status of species.
• Identify regional examples and factors influencing species vulnerability.
• Interpret evidence related to population trends, threats, and recovery potential.+ Show more

Learning Objectives

• Apply critical thinking skills to evaluate explanations, models, and evidence quality.
• Identify logical fallacies, differentiate correlation and causation, and assess limitations of data.
• Evaluate competing explanations and interpret conflicting data sources for reliability.+ Show more

Learning Objectives

• Understand microscopic particle motion and its relation to temperature and energy.
• Explain how particle speed distribution influences thermal states and pressure.
• Compare thermal energy among different materials and heat transfer mechanisms.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical transformations.
• Apply mass accounting techniques to reactions and dissolution processes.
• Balance simple chemical formulas to illustrate mass relationships.+ Show more

Learning Objectives

• Understand the differences between ionic and covalent bonding and their effects on macroscopic properties.
• Identify and describe simple formation of binary ionic salts and molecular compounds using empirical formulas.
• Relate bonding types to observable properties such as melting point, solubility, and electrical conductivity.+ Show more

Learning Objectives

• Describe qualitatively how pressure, volume, and temperature interrelate in gases.
• Explain phenomena such as diffusion and compressibility in gases.
• Relate macroscopic observations like pressure variation and buoyant behavior to gas responses.+ Show more

Learning Objectives

• Describe observable indicators of chemical reactions such as gas production, precipitate formation, color change, and temperature change.
• Connect qualitative evidence of chemical reactions to changes in mass and energy.
• Identify common reaction types like acid–carbonate effervescence and precipitation based on observable evidence.+ Show more