Grade 7 Science Worksheets

Learning Objectives

• Identify the main components of a cell
• Understand the functions of cell membranes, nuclei, mitochondria, and organelles
• Recognize the diversity of cell structures in plants and animals

Learning Objectives

• Understand the principles of relative dating such as superposition, original horizontality, and cross-cutting relationships
• Identify markers in rock layers used for correlating strata
• Explain how fossil assemblages, unconformities, and intrusive contacts help establish the age of rock layers+ Show more

Learning Objectives

• Understand the role of decomposers in ecosystems
• Identify different decomposers such as fungi and bacteria
• Explain the process of decomposition and nutrient recycling+ Show more

Learning Objectives

• Understand how gears transfer motion and change speed or torque.
• Identify parts of a gear system.
• Explain the function of gears in machines.+ Show more

Learning Objectives

• Understand how Earth's tilt affects the Sun's apparent position and daylight hours during different seasons.
• Explain the reasons for opposite seasons in the Northern and Southern hemispheres.
• Describe how the distribution of solar energy varies throughout the year due to Earth's tilt and orbit.+ Show more

Learning Objectives

• Explain how microscopic particle motion relates to temperature and average random kinetic energy.
• Differentiate between temperature and thermal energy using particle number and phase.
• Use particle-collision ideas to describe how thermal changes can affect pressure.+ Show more

Learning Objectives

• Understand the concept of scientific models and how they predict outcomes.
• Identify evidence used to evaluate the accuracy of models.
• Learn how to interpret computational simulations in model evaluation.+ Show more

Learning Objectives

• Understand how patterns in data can indicate reliability.
• Identify sources of error that affect experimental results.
• Develop reasoning skills to interpret variability and measurement quality.+ Show more

Learning Objectives

• Explain how internal (endogenetic) processes such as uplift, deformation, earthquakes, and volcanism can reshape Earth’s surface.
• Describe how external (exogenetic) processes such as erosion and sediment transport can build landforms like deltas and floodplains.
• Interpret surface-process evidence using rock strata, landform patterns, and connections to hazard histories.

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

• Explain how plate tectonics can cause rapid geologic hazards such as earthquakes and volcanic eruptions
• Describe how weathering, erosion, and deposition reshape Earth’s surface over longer timescales
• Use evidence (fault features, lava flows, ash layers, sediment layers) to connect geologic processes to landforms+ Show more

Learning Objectives

• Identify key beam terms such as span, supports, bending, shear, and deflection.
• Explain how load type and span-to-depth ratio affect beam performance.
• Use passage details to evaluate beam stability and comfort criteria for service loads.

Learning Objectives

• Explain how limited resources (land and water) force communities to make tradeoffs among reliability, cost, health, and ecosystem protection.
• Describe how environmental constraints affect human decisions about farming, development, and water use.
• Use evidence from a scenario to predict potential outcomes of different management choices under changing conditions.

Learning Objectives

• Explain how natural processes (precipitation, groundwater storage, and ecosystems) affect the availability of Earth’s resources
• Describe how natural events and human demands can increase stress on shared resources
• Use evidence from a text to identify main ideas about resource availability challenges and responses

Learning Objectives

• Explain how gravity creates weight and affects the motion of objects near Earth.
• Compare the effects of mass on gravitational force and the acceleration of gravity near Earth.
• Describe how support forces (like the normal force) can balance weight and prevent motion.

Learning Objectives

• Explain how scientists use long-term natural records and modern measurements to study climate change.
• Identify major climate drivers and describe how they can affect Earth’s energy balance and circulation.
• Compare evidence from ice cores, sediment layers, and tree rings to understand past temperature and precipitation patterns.

Learning Objectives

• Understand the different methods of energy transfer: conduction, convection, and radiation.
• Identify examples of each energy transfer method in real-life scenarios.
• Describe how energy transforms from one form to another in various systems.

Learning Objectives

• Explain how energy decreases as it moves through trophic levels in a food web.
• Describe the role of producers and consumers in energy transfer.
• Understand why food chains are typically short and biomass varies with trophic position.+ Show more

Learning Objectives

• Explain how energy enters an ecosystem and moves through trophic levels.
• Describe the roles of producers, consumers, and decomposers in energy flow.
• Use the concept of energy loss between trophic levels to predict food-chain limits.

Learning Objectives

• Identify components of ecosystems, including biotic and abiotic elements.
• Describe the roles of producers, consumers, and decomposers in ecosystems.
• Understand the flow of energy from sunlight through food chains.+ Show more

Learning Objectives

• Explain how adaptations are inherited traits that can improve survival or reproduction in a specific environment.
• Identify different types of evidence for adaptation, including population trait differences and fossil records.
• Connect environmental change to shifts in traits using the idea of natural selection.

Learning Objectives

• Explain the conservation of matter principle in terms of atoms being rearranged during chemical reactions.
• Use the idea of a closed system to predict when total mass should stay the same before and after a reaction.
• Apply conservation of mass to interpret evidence from sealed-container experiments.

Learning Objectives

• Explain the concept of saturation and supersaturation.
• Identify real-life examples of saturation and crystallization.
• Understand the conditions that lead to solute crystallization.+ Show more

Learning Objectives

• Classify pure substances and mixtures based on composition and uniformity.
• Differentiate elements, compounds, and mixtures using examples and particle-level reasoning.
• Use evidence from properties (such as fixed vs. variable composition) to identify materials in everyday contexts.

Learning Objectives

• Understand the importance of surface area in cells.
• Explain how surface area affects material exchange.
• Identify adaptations that increase surface area in cells.+ Show more

Learning Objectives

• Explain how evidence from tests or validated models is used to evaluate a design against specific criteria
• Interpret evaluation results by connecting performance data to intended function and realistic conditions
• Identify tradeoffs between criteria and justify which option best meets constraints

Learning Objectives

• Understand the concept of corrosion in steel and its effects over time.
• Identify various environmental factors that contribute to material degradation.
• Learn protective measures used to enhance material durability.+ Show more

Learning Objectives

• Understand how temperature variations affect ecosystems
• Recognize the relationship between environmental factors and organisms
• Analyze examples of ecological responses to temperature changes+ Show more

Learning Objectives

• Understand how heat conduction occurs within solids and across interfaces.
• Identify materials with high and low thermal conductivity and their applications.
• Explain how conductivity coefficients and contact resistance influence temperature gradients.+ Show more

Learning Objectives

• Explain how to interpret patterns and relationships in scientific graphs such as scatter plots, histograms, and line graphs
• Use summary measures (range and averages) while also considering variability and outliers
• Evaluate the strength of evidence for a scientific claim, including uncertainty and random variation

Learning Objectives

• Explain how iterative refinement and quantitative comparison improve structural designs while balancing weight, cost, and performance.
• Distinguish topology optimization from form optimization and describe how performance-based criteria guide design choices.
• Describe how life-cycle assessment, constructability constraints, and building codes with safety margins affect feasible optimization results.

Learning Objectives

• Distinguish balanced and unbalanced forces by reasoning about net force and motion.
• Explain how net force affects changes in velocity (speed and/or direction).
• Use a tug-of-war scenario to predict whether an object’s motion stays the same or changes.

Learning Objectives

• Describe Earth’s main internal layers (crust, mantle, outer core, inner core) and how their properties differ
• Explain how seismic wave behavior provides evidence for internal structure and state of matter
• Connect heat transport, mantle convection, and density/ buoyancy contrasts to plate motion+ Show more

Learning Objectives

• Explain how engineering design thinking starts with defining a problem and writing clear specifications.
• Use criteria and constraints to evaluate ideas with measurable performance indicators and trade-off reasoning.
• Describe how feasibility criteria consider materials, cost, and environmental impacts during ideation and selection.

Learning Objectives

• Explain how abiotic factors (sunlight, soil, water, temperature, topography) affect ecosystem structure and function.
• Describe cause-and-effect relationships between abiotic conditions and biotic outcomes (plant growth, shelter, survival).
• Compare how ecosystems can change across environmental gradients in Alberta (prairie, parkland, mountain valleys).

Learning Objectives

• Explain how mantle convection, slab pull, and ridge push can create plate motion.
• Describe how these plate mechanisms can differ in strength across Earth’s surface.
• Use cause-and-effect reasoning to predict how changes in forces can affect plate velocity and direction.

Learning Objectives

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

Learning Objectives

• Understand the different levels of ecological organization from individual to ecosystem.
• Identify examples of each level within Alberta ecosystems.
• Explain how patterns emerge at higher levels that are not evident at lower levels.+ Show more

Learning Objectives

• Identify the three principal tectonic plate boundary types: divergent, convergent, and transform.
• Describe the characteristic landforms and geologic processes produced by each boundary type.
• Explain how plate motion along boundaries relates to earthquakes, volcanic activity, and mountain building.

Learning Objectives

• Explain how insulating materials reduce heat transfer by limiting conduction, convection, and radiation
• Compare common insulators (fiberglass, foam, reflective foils) based on practical thickness and thermal resistance
• Describe how air leakage and thermal bridging increase heat loss in building envelopes+ Show more

Learning Objectives

• Explain how structural, physiological, and behavioral adaptations help organisms survive in specific environments
• Describe how selective pressures such as temperature, moisture, predation, and resource availability influence adaptation
• Identify adaptive trade-offs and how they affect what traits are most useful in different habitats+ Show more

Learning Objectives

• Understand what groundwater is and how it is stored beneath Earth's surface.
• Learn the process of groundwater recharge and movement.
• Recognize the importance of groundwater for Earth's water cycle and human use.+ Show more

Learning Objectives

• Evaluate scientific explanations by checking assumptions, logical reasoning, and the quality of evidence.
• Distinguish correlation from causation and judge how strong evidence is for a claim.
• Identify limitations of data, models, and methods, including possible alternative hypotheses.

Learning Objectives

• Explain how biodiversity helps ecosystems stay stable after disturbances.
• Describe how overlapping species roles can buffer the impacts of species declines.
• Identify examples of disturbances that reduce biodiversity and increase ecosystem vulnerability.

Learning Objectives

• Understand the concept of active transport in cellular processes.
• Identify the role of cellular energy (ATP) in moving molecules against concentration gradients.
• Recognize the function of cellular pumps like the sodium-potassium pump.+ Show more

Learning Objectives

• Explain how predators, prey, and competitors influence access to resources and survival
• Describe how mutualism can increase resource availability and persistence for both species
• Connect population interactions to changes in survival and reproduction rates over time+ 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

• Identify different forms of energy such as kinetic and potential energy
• Understand how energy is stored and transferred in daily phenomena
• Relate height and motion to specific energy types+ Show more