Grade 8 Science Worksheets

Learning Objectives

• Understand how gravity influences the motion of objects in space.
• Identify orbital paths of planets, moons, comets, and asteroids.
• Explain the mutual gravitational attraction between celestial bodies.+ Show more

Learning Objectives

• Explain how fluid mechanics principles apply to blood transport in the circulatory system.
• Describe the effects of non-Newtonian blood properties on perfusion and flow resistance.
• Relate systolic and diastolic pressures to arterial function and health.+ Show more

Learning Objectives

• Identify different types of Earth materials
• Understand properties of rocks and minerals
• Describe the processes of the rock cycle

Learning Objectives

• Describe the components and architecture of cell membranes, including the phospholipid bilayer, proteins, cholesterol, and carbohydrates.
• Explain the functions of membrane proteins in transport, signaling, and structural support.
• Compare structural variations in membranes among different cell types, such as plant cells and specialized animal cells, and how these influence permeability and interactions with the environment.

Learning Objectives

• Analyze fossil records to identify transitional species
• Recognize homologous structures across different vertebrates
• Interpret molecular data to infer shared ancestry+ Show more

Learning Objectives

• Understand the proportions and distribution of freshwater and saline reservoirs around the world.
• Identify spatial patterns related to climate, topography, and geology in water storage.
• Analyze the limitations of accessible freshwater sources and their implications for human use.+ Show more

Learning Objectives

• Analyze and map energy transfer through mechanical and hydraulic subsystems.
• Identify points of energy conversion and quantify energy losses at each interface.
• Apply system principles to evaluate efficiency in real-world applications like conveyor and pump systems.+ Show more

Learning Objectives

• Explain the mechanisms of surface water and groundwater interactions.
• Identify factors influencing exchange rates such as permeability, hydraulic gradients, and recharge zones.
• Describe how river stage and seasonal variability affect surface and groundwater exchanges.+ Show more

Learning Objectives

• Understand the structure and functions of aquifers and groundwater flow systems.
• Identify key factors such as porosity, permeability, and hydraulic head that influence groundwater movement.
• Explain the concepts of confined and unconfined aquifers, recharge and discharge zones.+ Show more

Learning Objectives

• Identify the main organelles in a cell
• Describe the functions of key cellular structures
• Understand how model representations illustrate cellular processes

Learning Objectives

• Recognize the basic concepts of exponential and logistic population growth
• Interpret simple graphical representations of population changes
• Identify factors that influence population size and growth limits

Learning Objectives

• Understand how to interpret surface pressure maps and temperature gradients.
• Identify the relationship between air masses and weather changes.
• Explore the processes of frontogenesis and cyclogenesis.+ Show more

Learning Objectives

• Analyze how population growth influences resource consumption and Earth system changes.
• Evaluate evidence linking demographic patterns to climate change, water availability, and biodiversity.
• Interpret data trends and cause-effect relationships related to resource use and environmental impact.+ Show more

Learning Objectives

• Explain the basic mechanisms of plate movements and tectonic activity.
• Identify key evidence supporting plate tectonics, such as seafloor spreading and magnetic striping.
• Describe processes like subduction, rifting, and continental collision that shape Earth's surface.

Learning Objectives

• Explain the motion of Earth around the Sun and how it influences seasons.
• Identify and describe key lunar phases and related phenomena such as eclipses.
• Understand the significance of axial tilt and orbital geometry in cyclic phenomena.+ Show more

Learning Objectives

• Understand the concept of mechanical advantage in simple machine systems.
• Apply algebraic formulas to calculate ideal and actual mechanical advantage.
• Analyze how forces, distances, and efficiencies relate in different machine configurations.+ Show more

Learning Objectives

• Understand the basic structure and function of DNA
• Explain how DNA sequences determine traits
• Describe the processes of transcription and translation+ Show more

Learning Objectives

• Explain what gravity is and how it causes objects to attract each other.
• Describe how mass and distance affect the strength of gravitational pull.
• Identify real-world examples of gravitational effects, such as planets orbiting the sun and tides in oceans.+ Show more

Learning Objectives

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

Learning Objectives

• Identify the three main methods of heat transfer: conduction, convection, and radiation.
• Understand how material properties influence thermal energy flow.
• Recognize practical applications of insulation and heat exchangers.+ Show more

Learning Objectives

• Understand the basic concepts of electric forces and magnetic forces.
• Compare how electric and magnetic forces interact and depend on different factors.
• Recognize examples of electric and magnetic interactions in everyday life.

Learning Objectives

• Identify dominant and recessive traits in Mendelian inheritance.
• Understand how Punnett squares predict genotype and phenotype ratios.
• Interpret basic pedigrees to determine inheritance patterns.+ Show more

Learning Objectives

• Identify key organelles within plant and animal cells
• Describe the functions of major cell structures such as nucleus, mitochondria, and chloroplasts
• Differentiate between prokaryotic and eukaryotic cells+ Show more

Learning Objectives

• Explain how atmospheric pressure influences weather and physical systems.
• Describe how barometers operate based on pressure changes.
• Understand the relationship between altitude and pressure variation.+ Show more

Learning Objectives

• Understand the mechanics of inclined planes and how they provide mechanical advantage.
• Calculate ideal and actual mechanical advantage for ramps and wedges.
• Analyze how factors like friction and surface finish impact input force requirements.+ Show more

Learning Objectives

• Understand the different types of membrane transport mechanisms, including passive and active processes.
• Identify and describe processes such as diffusion, osmosis, facilitated diffusion, and active transport.
• Explain the roles of carrier proteins and pumps in membrane transport.+ Show more

Learning Objectives

• Understand the historical development of the cell theory.
• Identify the core principles that define cellular biology.
• Connect microscopic evidence and imaging techniques to cell discovery.+ Show more

Learning Objectives

• Understand torque, lever arm, and conditions for equilibrium in rotational systems.
• Explain the relationship between net torque and angular acceleration.
• Perform simple calculations linking rotational inertia, applied torque, and rotational speed.+ Show more

Learning Objectives

• Understand how crude oil is processed into plastics
• Identify the basic source materials for different synthetic materials
• Explain how molecular structures influence material properties+ Show more

Learning Objectives

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

Learning Objectives

• Explain the basic principles of hydraulic systems based on Pascal's law.
• Describe how force and area relate in hydraulic pistons to produce force multiplication.
• Identify common applications of hydraulic transmission, such as jacks and brake systems.+ Show more

Learning Objectives

• Describe various nature-based and engineered stormwater management practices.
• Explain the functions such as infiltration, runoff control, and sediment capture.
• Identify key design parameters affecting green infrastructure effectiveness.+ Show more

Learning Objectives

• Identify principles and methods for the stewardship of freshwater resources.
• Analyze trade-offs among water supply, ecological health, and economics.
• Evaluate community and individual actions that influence water sustainability.+ Show more

Learning Objectives

• Identify the main components of the circulatory system
• Describe how blood circulates throughout the body
• Explain the role of the heart and blood vessels+ Show more

Learning Objectives

• Understand how particle theory applies to environmental systems.
• Classify environmental processes based on phases and chemical signatures.
• Explain the principle of mass conservation in ecosystems and contamination sites.+ Show more

Learning Objectives

• Understand the concept of centripetal force and how it causes objects to move in a circle.
• Analyze how forces, mass, and radius affect the necessary centripetal force in circular motion.
• Describe real-world phenomena involving circular motion, such as road curves and amusement rides.+ Show more

Learning Objectives

• Understand the relationship between voltage, current, and resistance in electrical circuits.
• Identify factors affecting resistance in different materials and conditions.
• Explain how resistance influences energy dissipation and component heating.+ Show more

Learning Objectives

• Understand and calculate the ideal and actual mechanical advantage of simple machines.
• Apply algebraic formulas to relate force, distance, and work in machine systems.
• Analyze the effects of frictional losses on real mechanical advantage.+ Show more

Learning Objectives

• Understand the concept of voltage as electric potential difference.
• Identify sources of voltage such as batteries and generators.
• Explain how voltage affects current flow in circuits.+ Show more

Learning Objectives

• Explain how cell specialization allows cells to perform specific biological tasks.
• Identify examples of specialized cells and their adaptations.
• Describe how structural modifications support cell function in tissues.+ Show more

Learning Objectives

• Describe different types of population growth curves, including exponential and logistic models.
• Analyze case studies such as snowshoe hare–lynx cycles and forest insect outbreaks to understand population dynamics.
• Explain factors like carrying capacity, reproductive strategies, and time lags in shaping population trajectories.+ Show more

Learning Objectives

• Explain how intermolecular forces affect melting and boiling points.
• Relate the strength of intermolecular forces to chemical volatility and solubility.
• Describe regional phenomena like freeze-thaw cycles, volatility of hydrocarbons, and humidity effects in Alberta.+ Show more

Learning Objectives

• Understand the concepts of species richness, evenness, and diversity indices in measuring biodiversity.
• Explain how habitat heterogeneity, sampling methods, and temporal factors influence biodiversity estimates.
• Analyze patterns of biodiversity across different environments to inform conservation efforts.+ Show more

Learning Objectives

• Describe the different types of plate boundaries and their associated landforms.
• Explain the mechanisms of plate tectonics such as mantle convection and subduction.
• Identify observable evidence of geological processes like mid-ocean ridges and volcanic arcs.+ Show more

Learning Objectives

• Explain the purpose and components of trophic models in ecological systems.
• Identify different types of models used to represent energy and matter fluxes.
• Analyze assumptions and limitations of quantitative and conceptual trophic models.+ Show more

Learning Objectives

• Understand the difference between density-dependent and density-independent factors affecting populations.
• Identify examples of resource competition, disease transmission, and social behaviors as density-dependent influences.
• Recognize weather events, drought, and fire as density-independent factors affecting populations.+ Show more

Learning Objectives

• Understand the particle arrangement and energy differences among solids, liquids, and gases.
• Identify real-world examples of each state from Alberta context.
• Explain how particle bonding strength affects the shape and flow of different states.+ Show more

Learning Objectives

• Understand the concepts of mechanical energy, including kinetic and potential energy.
• Connect force interactions to changes in energy during motion.
• Apply qualitative relationships between force, displacement, and energy transfer.+ Show more