Grade 7 Science Worksheets

Learning Objectives

• Explain the processes involved in the rock cycle and how they connect tectonics, magmatism, and surface processes.
• Identify different types of rocks and the transformations they undergo during geological processes.
• Describe how surface agents and internal Earth processes contribute to the recycling of crustal materials.+ Show more

Learning Objectives

• Identify and describe the three main types of rocks: igneous, sedimentary, and metamorphic.
• Explain how rocks are formed through different processes such as cooling, accumulation, and alteration.
• Analyze mineral content, grain size, and structures to distinguish between rock types.+ Show more

Learning Objectives

• Understand how phenotype results from interactions between genetics and environment.
• Identify examples of environmental influence on traits such as height, skin color, and temperature-sensitive pigmentation.
• Distinguish inherited genetic traits from environmentally modulated traits.+ Show more

Learning Objectives

• Explain the process of active transport and how it moves molecules against concentration gradients.
• Describe the function of the sodium-potassium pump in maintaining cell electrochemical gradients.
• Identify different types of vesicular transport such as endocytosis and exocytosis.+ Show more

Learning Objectives

• Identify the main biotic and abiotic components of an ecosystem.
• Explain how energy flows through an ecosystem from producers to consumers.
• Understand the interactions between living organisms and their environment.+ Show more

Learning Objectives

• Understand the roles of producers and consumers in an ecosystem.
• Explain how energy transfers through trophic levels and why it is inefficient.
• Describe how energy transfer constraints influence population sizes and community structure.+ Show more

Learning Objectives

• Understand the different force systems that drive plate motion within the Earth.
• Describe how mantle convection, slab pull, and ridge push operate and interact.
• Explain the scale and relative strength of each plate mechanism.+ Show more

Learning Objectives

• Understand how disturbances such as fire, flood, and windthrow affect habitats and ecosystems.
• Identify factors like frequency, intensity, and spatial scale that influence disturbance outcomes.
• Explain how some species adapt to disturbance regimes and recover quickly, while others are negatively impacted.+ Show more

Learning Objectives

• Understand the concept of carrying capacity and its significance in ecosystems.
• Identify limiting factors that influence population size.
• Explain how populations adjust when exceeding carrying capacity.+ Show more

Learning Objectives

• Understand how physical and chemical properties influence material suitability for different applications.
• Identify key properties such as corrosion resistance, hardness, melting point, solubility, and reactivity.
• Analyze how properties like chemical stability, density, and strength impact environmental and structural decisions.+ Show more

Learning Objectives

• Understand the particle model as a representation of matter composed of atoms and molecules.
• Explain how chemical changes involve breaking and forming bonds between particles without changing mass.
• Visualize and describe particle interactions during chemical reactions to explain conservation of mass.

Learning Objectives

• Understand the difference between mixtures and pure substances.
• Identify the types of mixtures: homogeneous and heterogeneous.
• Learn how physical properties enable separation methods like filtration, evaporation, and distillation.+ Show more

Learning Objectives

• Explain the concept of saturation and supersaturation in solutions.
• Identify real-world examples of saturation and supersaturation.
• Describe the conditions that lead to crystallization and phase change.+ Show more

Learning Objectives

• Analyze historical and instrumental data to identify patterns of natural hazards such as earthquakes, volcanic eruptions, hurricanes, floods, and tsunamis.
• Interpret hazard maps, recurrence intervals, and probabilistic forecasts to assess risks and inform mitigation strategies.
• Understand the cascading impacts of natural hazards on infrastructure, ecosystems, and settlements, and differentiate between short-term event dynamics and long-term trends.

Learning Objectives

• Explain how forces (pushes and pulls) can change an object’s motion
• Describe net force and predict whether motion changes using balanced vs. unbalanced forces
• Use real-world examples to connect friction and acceleration to observable changes in motion

Learning Objectives

• Understand and identify various measurable physical properties such as density, melting point, boiling point, color, hardness, solubility, and electrical conductivity.
• Explain how physical properties are used to identify and sort substances.
• Compare different physical properties and describe their significance in material selection and separation processes.

Learning Objectives

• Describe how receptor proteins in cell membranes detect signals like hormones and neurotransmitters.
• Explain the roles of gap junctions and plasmodesmata in direct cell communication.
• Understand the processes of signal amplification and feedback regulation in cells.+ Show more

Learning Objectives

• Differentiate between homogeneous and heterogeneous mixtures and solutions.
• Understand concepts of solubility, saturation, and concentration in mixtures.
• Identify examples of solutions, colloids, and suspensions based on particle size and behavior.+ Show more

Learning Objectives

• Describe the different mechanisms of membrane transport, including passive and active processes.
• Explain the roles of membrane proteins in maintaining cell function and homeostasis.
• Differentiate between diffusion, osmosis, and active transport in terms of energy use and movement direction.+ Show more

Learning Objectives

• Understand how cellular structures and transport processes work together to maintain homeostasis.
• Identify key mechanisms like transport proteins, membrane pumps, and hormone signaling in regulating nutrient and water balance.
• Explain how disruption at cellular or tissue levels can affect organ function and organism stability.+ Show more

Learning Objectives

• Understand how matter cycling and energy flow influence ecosystem stability.
• Identify factors that cause shifts in nutrient availability and biomass.
• Explain the cascading effects of resource input changes on consumer populations.+ Show more

Learning Objectives

• Understand the processes of diffusion and osmosis and how they differ.
• Describe how concentration gradients drive passive transport in cells.
• Explain the effects of diffusion and osmosis on cell volume and plant turgor pressure.+ Show more

Learning Objectives

• Describe how chloroplasts capture light energy for photosynthesis.
• Identify the structures within chloroplasts involved in photosynthesis.
• Explain the process of carbon fixation in the stroma of chloroplasts.+ Show more

Learning Objectives

• Understand how organisms influence each other's survival and reproduction through different types of interactions.
• Identify examples of predator-prey, competition, and mutualism relationships in ecosystems.
• Analyze how population sizes change over time due to interactions and resource availability.+ Show more

Learning Objectives

• Understand how physical and biological disturbances impact population sizes and community composition.
• Identify mechanisms like resilience, resistance, and succession that influence ecosystem recovery.
• Interpret empirical observations and longitudinal data to attribute ecosystem changes to specific disturbances.+ Show more

Learning Objectives

• Understand how energy is transferred through food webs and the limitations of energy transfer between trophic levels.
• Explain why food chains typically have only a few trophic levels due to energy loss.
• Describe the role of biomass and energy transfer efficiency in predator-prey relationships.+ Show more

Learning Objectives

• Explain what empirical knowledge means and why evidence from observations and measurements matters.
• Describe how uncertainty and transparency support scientific reasoning.
• Use evidence to evaluate an explanation and consider alternative interpretations.+ Show more

Learning Objectives

• Understand how resource availability affects population size in ecosystems.
• Identify examples of resources that limit organism survival and reproduction.
• Explain the relationship between environmental resources and habitat health.+ Show more

Learning Objectives

• Explain how assumptions and simplifications create limits in scientific models
• Use discrepancy between observations and predictions to suggest model revisions
• Distinguish reliable predictions from approximate ones by recognizing where a model works best

Learning Objectives

• Explain how explanatory models use relationships (such as cause-and-effect) to organize evidence about natural phenomena.
• Describe how models help predict outcomes and how well they match observations and new evidence.
• Evaluate why models are useful representations but not exact replicas of real systems.

Learning Objectives

• Describe the key differences between pure substances, mixtures, and solutions.
• Identify examples of each classification in real-world contexts.
• Explain how the uniformity and measurable properties distinguish matter types.+ Show more

Learning Objectives

• Explain how energy availability decreases across trophic levels in a food web.
• Describe why only a fraction of ingested energy becomes biomass for the next consumer level.
• Interpret energy-flow ideas to predict patterns in food chain length and biomass.

Learning Objectives

• Understand the processes involved in the rock cycle, including melting, crystallization, and metamorphism.
• Identify the transformations among igneous, sedimentary, and metamorphic rocks.
• Describe how Earth's internal and surface processes drive the rock cycle.+ Show more

Learning Objectives

• Explain how the kinetic motion of particles relates to thermal phenomena.
• Describe how temperature measures average kinetic energy and heat measures energy transfer.
• Identify the methods of heat transfer: conduction, convection, and radiation.+ Show more

Learning Objectives

• Calculate average speed using distance and time with correct units
• Convert between meters per second (m/s) and kilometers per hour (km/h)
• Differentiate average speed from instantaneous speed using real-world examples+ Show more

Learning Objectives

• Understand the geological evidence supporting plate tectonics and continental movement.
• Identify features such as seafloor structures, earthquakes, and volcanoes that indicate plate activity.
• Explain how fossil distributions and rock types record past continental positions.+ Show more

Learning Objectives

• Explain the law of conservation of matter in terms of total mass before and after chemical reactions
• Connect conservation of matter to atoms being rearranged rather than created or destroyed
• Interpret real-world examples (sealed container vs. open container) using conservation of mass

Learning Objectives

• Identify observable signs of chemical changes such as colour change, gas evolution, precipitate formation, temperature change, and odour alteration.
• Explain at particle level how bonds are reorganized during chemical changes.
• Differentiate between physical and chemical changes based on observable evidence.+ Show more

Learning Objectives

• Explain how light energy is converted into chemical energy during photosynthesis.
• Describe the process of cellular respiration and how organisms harvest energy from food.
• Connect the roles of chloroplasts and mitochondria in energy transfer within cells.+ Show more

Learning Objectives

• Understand the interactions between living organisms and non-living environmental factors in ecosystems.
• Identify how sunlight, soil, water, temperature, and topography influence plant, animal, and microbial communities.
• Explain cause-and-effect relationships that shape ecosystem patterns across Alberta landscapes.+ Show more

Learning Objectives

• Describe cyclic patterns produced by the relative motions of the Sun, Earth, and Moon.
• Explain how orbital geometry and axial tilt influence day-night cycles and phases.
• Identify observational evidence that connects positional relationships to predictable solar and lunar patterns.+ Show more

Learning Objectives

• Define and distinguish among mutualism, commensalism, and parasitism.
• Identify regional examples of different symbiosis types in Alberta ecosystems.
• Explain ecological consequences of inter-species relationships on population dynamics and resource distribution.+ Show more

Learning Objectives

• Identify key signs indicating a physical change has occurred.
• Differentiate between physical and chemical changes based on observable indicators.
• Explain particle behavior during physical changes using real-world examples.+ Show more

Learning Objectives

• Understand how friction influences movement and stability.
• Identify factors that affect friction between surfaces.
• Explain the relationship between applied force, friction, and motion.+ Show more

Learning Objectives

• Understand different measures of solution concentration such as mass percent and grams per litre.
• Explain how solution concentration affects physical properties like boiling point and freezing point.
• Describe real-world examples of solution concentration impacts, including salinity in lakes and water treatment.+ Show more

Learning Objectives

• Understand various physical separation techniques such as filtration, decanting, evaporation, and magnetic separation.
• Identify the physical properties exploited by different separation methods.
• Analyze regional examples of separation processes and their effectiveness.+ Show more

Learning Objectives

• Understand how different pollutants impact ecosystems and organisms.
• Identify sources and pathways of environmental contamination.
• Analyze ecological consequences of nutrient runoff, hydrocarbons, and airborne deposition.+ Show more

Learning Objectives

• Construct and interpret graphical relationships between kinetic energy, potential energy, mass, and speed.
• Analyze how doubling mass or speed affects kinetic energy using quantitative patterns.
• Understand and apply energy calculations and interpret graphs related to motion and energy.