Grade 7 Science Worksheets

Learning Objectives

• Understand the concept of density and how it impacts separation techniques.
• Identify different density separation methods such as decanting, floatation, and centrifugation.
• Explain how buoyant force, sedimentation rate, and centrifugal acceleration relate to particle density and size.+ Show more

Learning Objectives

• Understand how producers create energy from sunlight through photosynthesis.
• Identify the role of producers in the food chain.
• Explain why plants are important for ecosystems.+ Show more

Learning Objectives

• Understand the three principal boundary types and their characteristic landforms.
• Identify the processes and landforms associated with divergent, convergent, and transform boundaries.
• Explain how boundary transitions can produce complex regional geological patterns.+ Show more

Learning Objectives

• Understand how the rock cycle links tectonics, magmatism, and surface processes.
• Identify the pathways of material transformation in the rock cycle.
• Explain how uplift, erosion, burial, and heat contribute to different rock types.+ Show more

Learning Objectives

• Describe different types of volcanic landforms based on magma composition and eruption style.
• Identify the tectonic settings associated with various volcanic features such as arcs and hotspots.
• Explain how volcanic activity influences local topography and crustal growth.+ Show more

Learning Objectives

• Describe how magma forms through partial melting due to decompression, volatiles, or heat transfer.
• Explain the processes of cooling and crystallization that determine rock textures and mineral assemblages.
• Identify the roles of fractional crystallization and magma mixing in producing diverse igneous rocks.+ Show more

Learning Objectives

• Understand the causes and effects of earthquakes related to fault movements.
• Identify different fault types and their seismic signatures.
• Explain how seismic waves are generated and how they travel through the Earth.+ Show more

Learning Objectives

• Understand the processes involved in orogeny and mountain formation.
• Identify key geological features associated with mountain belts and subduction zones.
• Explain how surface processes shape mountain regions over time.+ Show more

Learning Objectives

• Understand the structure and movement of Earth's lithospheric plates.
• Identify different types of plate boundaries and their effects on surface features.
• Explain how plate interactions influence geological activity such as earthquakes and volcanoes.+ Show more

Learning Objectives

• Describe the three main types of rocks: igneous, sedimentary, and metamorphic.
• Explain the processes by which each type of rock forms.
• Identify distinguishing features of each rock type based on texture and mineral content.+ Show more

Learning Objectives

• Understand the processes of deposition and how they shape landforms.
• Identify different types of depositional features such as deltas, beaches, and moraines.
• Describe the characteristics of sediments involved in depositional environments.+ Show more

Learning Objectives

• Understand how agents like water, glaciers, wind, and gravity cause erosion and transport Sediment.
• Describe distinctive sedimentary signatures produced by different erosion agents.
• Interpret landscape features to deduce past environments and erosion history.+ Show more

Learning Objectives

• Describe the key force systems within the Earth's crust that drive plate motion.
• Explain how mantle convection, slab pull, and ridge push influence tectonic activity.
• Analyze the interaction of different plate force mechanisms and their impact on Earth's surface.+ Show more

Learning Objectives

• Understand the different types of weathering processes and how they affect rocks and landscapes.
• Identify examples of physical, chemical, and biological weathering mechanisms.
• Explain how weathering influences soil formation and landform development.+ Show more

Learning Objectives

• Describe the processes involved in metamorphism and how rocks change mineralogically and texturally.
• Differentiate between contact and regional metamorphism and their effects on rocks.
• Identify mineral assemblages and textures that indicate metamorphic grade and history.+ Show more

Learning Objectives

• Describe the processes involved in the formation of sedimentary rocks.
• Identify different types of weathering and how they contribute to sediment formation.
• Explain how sediments are transported and deposited in various environments.+ Show more

Learning Objectives

• Define and describe the different states of matter in terms of particle arrangements and energy levels.
• Explain phase changes such as melting, freezing, vaporization, condensation, and sublimation.
• Relate temperature and pressure to phase transition points and properties like density and viscosity.+ 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 how human population growth affects demand for natural resources and ecosystems.
• Analyze regional examples showing the relationship between consumption patterns and environmental pressures.
• Evaluate sustainable resource management strategies to mitigate negative impacts of population growth.

Learning Objectives

• Explain how friction and other resistive forces oppose motion and cause objects to slow down.
• Describe how surface texture and contact affect the size of frictional force.
• Connect resistive forces to energy changes (kinetic energy to thermal energy) during realistic motion.+ Show more

Learning Objectives

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

Learning Objectives

• Describe the basic principles of the particle model of matter.
• Explain how particle arrangement and motion account for states of matter and observable phenomena.
• Differentiate between physical rearrangements and chemical transformations at the particle level.

Learning Objectives

• Understand the forces of friction and gravity and how they affect motion.
• Explain how surface roughness influences resistance between objects.
• Describe the effects of gravity on objects in free fall and on inclined planes.+ Show more

Learning Objectives

• Explain the production pathways of common synthetic materials from natural resources.
• Identify key process steps such as polymerization and refining that alter chemical composition and functional performance.
• Analyze trade-offs involved in material choices, including durability, recyclability, and environmental impact.+ Show more

Learning Objectives

• Understand the structure of DNA and how it forms chromosomes.
• Learn how genes influence observable traits.
• Explore the process of chromosome segregation during cell division.+ Show more

Learning Objectives

• Understand how matter is cycled and conserved within organisms during processes like digestion, biosynthesis, and respiration.
• Describe the flow of carbon and nitrogen through different biological pathways.
• Explain how atoms are reused and transformed in biochemical pathways such as macromolecule synthesis and decomposition.+ Show more

Learning Objectives

• Explain how genetic information in reproductive cells leads to inherited traits in offspring
• Compare inherited traits and environmental influences using examples
• Use simple inheritance patterns (dominant/recessive concepts) to predict trait outcomes+ Show more

Learning Objectives

• Understand the causes of urban heat island phenomena and their effects on microclimates.
• Identify various mitigation strategies to reduce urban heat and their benefits.
• Analyze the impact of urban heating on energy consumption, air quality, and outdoor comfort.

Learning Objectives

• Identify the three primary modes of thermal energy transfer: conduction, convection, and radiation.
• Describe the molecular mechanisms underlying each mode of energy transfer.
• Compare the typical media and rates at which conduction, convection, and radiation transfer heat.+ Show more

Learning Objectives

• Understand the properties of reflective and emissive surfaces in heat management.
• Analyze how surface treatments like coatings and colours influence solar radiation absorption and reflection.
• Evaluate the effectiveness of low-emissivity glazing and reflective roofs in different seasonal and diurnal contexts.+ Show more

Learning Objectives

• Understand the principles of temperature measurement and instrument characteristics.
• Differentiate between liquid-in-glass, bimetallic, and digital thermometers and their appropriate applications.
• Explain the Celsius scale, fixed points, and the importance of calibration for reliable temperature readings.+ Show more

Learning Objectives

• Explain the difference between internal energy and temperature.
• Identify common sources of thermal energy in natural and built environments.
• Describe the direction of heat flow from higher to lower internal energy.+ Show more

Learning Objectives

• Understand how walls, roofs, windows, and foundations contribute to thermal performance.
• Identify methods for measuring envelope performance and retrofit strategies.
• Explain the concepts of interfaces, thermal bridging, and air infiltration in building envelopes.+ Show more

Learning Objectives

• Explain how species richness and species evenness describe biodiversity in a habitat.
• Interpret common biodiversity index values to compare diversity across ecosystems.
• Describe how habitat heterogeneity and niche diversity can increase species turnover.+ Show more

Learning Objectives

• Understand the principle of conservation of mass in physical and chemical changes.
• Explain why mass remains constant in a closed system during reactions.
• Interpret observations of sealed-container reactions to demonstrate mass conservation.+ Show more

Learning Objectives

• Understand the defining properties of pure substances, including fixed melting and boiling points, density, and reactivity.
• Differentiate between elements and compounds through physical and chemical tests.
• Identify examples of pure substances such as elemental metals and common compounds like calcium carbonate.+ Show more

Learning Objectives

• Understand the key indicators of physical changes in substances.
• Identify examples of physical changes in everyday life.
• Explain how particle behavior relates to observable physical transformations.+ Show more

Learning Objectives

• Understand how phase changes involve changes in particle energy and structure.
• Explain the concepts of latent heat during melting, freezing, evaporation, and condensation.
• Relate microscopic particle interactions to macroscopic energy phenomena in phase changes.+ Show more

Learning Objectives

• Understand the definition of saturation and how it relates to solubility.
• Describe the phenomenon of supersaturation and how it can lead to precipitation.
• Identify real-world examples of saturation and supersaturation conditions.+ Show more

Learning Objectives

• Understand the physical and chemical processes involved in separating bitumen from oil sands.
• Identify different methods used for physical separation based on density and particle size.
• Explain how chemical treatments and temperature adjustments influence emulsions and dissolved organics.+ Show more

Learning Objectives

• Understand the concept of conservation of mass in chemical reactions.
• Explain how mass is balanced in closed-system reactions.
• Predict product masses based on reactant measurements using mass relationships.+ Show more

Learning Objectives

• Identify observable indicators that signify chemical reactions.
• Explain the significance of gas production, heat exchange, colour shifts, and precipitate formation in reactions.
• Relate observation patterns to reaction types and particle interactions.+ Show more

Learning Objectives

• Identify observable signs of chemical changes such as colour change, gas evolution, and precipitate formation.
• Explain how bond reorganization at the particle level indicates chemical transformations.
• Differentiate between chemical changes and physical changes based on observable evidence.+ Show more

Learning Objectives

• Understand the factors that affect the solubility of substances.
• Explain how temperature, surface area, pressure, and agitation influence solubility.
• Apply knowledge of solubility factors to real-world examples like seasonal salt variation and de-icing procedures.+ Show more

Learning Objectives

• Understand the physical properties exploited by different separation techniques.
• Identify common separation methods like filtration, decanting, evaporation, and magnetic separation.
• Relate regional examples of separation processes to their underlying principles.+ Show more

Learning Objectives

• Explain the principles of mass conservation and their importance in chemical and environmental systems.
• Identify real-world applications of mass conservation in reaction stoichiometry and environmental monitoring.
• Describe how mass budgets and balances are used in closed or near-closed systems.+ Show more

Learning Objectives

• Explain how detritivores, fungi, bacteria, and abiotic factors work together during decomposition
• Describe carbon and nitrogen transformations that occur as organic matter breaks down
• Connect decomposition rates to soil fertility and productivity in different ecosystems

Learning Objectives

• Understand what invasive species are and how they differ from native species.
• Identify the mechanisms by which invasive species spread.
• Recognize the ecological and economic impacts of invasive species.+ Show more