Grade 8 Science Worksheets

Learning Objectives

• Explain why total mass remains constant in a closed reaction system
• Track how atoms are rearranged during chemical reactions
• Interpret balanced equations as evidence of atom conservation+ Show more

Learning Objectives

• Calculate acceleration using net force and mass.
• Explain how net force affects acceleration when mass stays constant.
• Compare acceleration for objects with different masses.+ Show more

Learning Objectives

• Explain how DNA base sequences affect protein amino acid sequences
• Describe how transcription and translation connect DNA to proteins
• Compare point mutations and frameshift mutations+ Show more

Learning Objectives

• Identify conduction, convection, and radiation as thermal transfer processes.
• Explain how temperature differences drive thermal energy movement.
• Describe how particle kinetic energy relates to temperature.+ Show more

Learning Objectives

• Compare solar system objects using diameter, mass, distance, and orbital period data
• Interpret astronomical units when comparing large solar system distances
• Identify patterns in object size, orbital distance, and orbital period+ Show more

Learning Objectives

• Identify observable evidence that indicates a chemical change
• Distinguish chemical changes from physical changes using evidence
• Interpret qualitative and quantitative data from chemical interactions+ Show more

Learning Objectives

• Explain how population growth affects resource use
• Connect fossil fuel use with greenhouse gas emissions
• Describe how agricultural expansion affects ecosystems+ Show more

Learning Objectives

• Explain how tradeoffs affect engineering design decisions
• Compare design options using weighted scoring and cost-benefit estimates
• Interpret Pareto comparisons and sensitivity analysis+ Show more

Learning Objectives

• Understand what makes a question testable in scientific investigations.
• Identify questions that can be answered through observation or measurement.
• Differentiate between testable and non-testable questions.

Learning Objectives

• Understand the concept of biodiversity at genetic, species, and ecosystem levels
• Identify different methods used to measure biodiversity
• Recognize the importance of biodiversity for ecosystem stability and health+ Show more

Learning Objectives

• Explain how scientists use multiple observations and measurements to support evidence-based claims.
• Distinguish between direct observations and data derived from measurements or models.
• Evaluate the strength of a claim by considering data quality, consistency, and reasonable interpretation.+ Show more

Learning Objectives

• Understand how hydraulic systems transmit force using Pascal's principle.
• Identify the key components of hydraulic systems, including pistons and chambers.
• Explain the concept of force multiplication and pressure distribution in hydraulic devices.+ Show more

Learning Objectives

• Describe the differences between static and kinetic friction and their dependence on surface texture, normal force, and materials.
• Explain how friction influences real-world scenarios such as tire traction, snowpack interaction, and gravel road wear.
• Analyze how friction opposes motion and contributes to heat generation and wear in mechanical systems across transportation and agriculture.

Learning Objectives

• Explain how divergent, convergent, and transform plate boundaries affect Earth’s surface
• Identify ways uplift, faulting, and erosion reshape landscapes over long periods
• Use evidence from volcanism and earthquakes to infer plate interactions+ Show more

Learning Objectives

• Explain how temperature and salinity differences change fluid density and create layered (stratified) systems.
• Describe how buoyancy and density gradients limit vertical mixing and can form a pycnocline.
• Predict how conditions that promote or suppress overturning affect pollutant or heat dispersion.

Learning Objectives

• Explain how gravitational force depends on the masses of two objects and their separation distance.
• Use the inverse-square relationship to predict how changes in distance affect gravitational force.
• Describe how gravity governs orbits, satellite motion, and tidal effects using cause-and-effect reasoning.

Learning Objectives

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

Learning Objectives

• Identify observable indicators of chemical reactions such as color change, gas production, precipitate formation, and temperature change.
• Interpret qualitative and quantitative data to distinguish between physical and chemical changes.
• Understand how macroscopic evidence relates to microscopic particle rearrangements and formation of new substances.+ Show more

Learning Objectives

• Explain how scientific claims are strengthened by quality evidence from multiple observations or measurements.
• Distinguish between direct observations, measured data, and evidence derived from models.
• Evaluate whether a claim is supported by patterns, consistency, and reasonable interpretations rather than a single result.

Learning Objectives

• Describe observable indicators that suggest a chemical change has occurred
• Differentiate between physical and chemical changes based on qualitative and quantitative data
• Interpret data from reactions such as corrosion, combustion, and acid-base interactions to identify chemical transformations+ Show more

Learning Objectives

• Understand the concept of pressure transmission in fluids according to Pascal's principle.
• Apply formulas to calculate force and pressure in hydraulic systems.
• Identify real-world applications of Pascal's principle such as hydraulic presses and braking systems.+ Show more

Learning Objectives

• Define different forms of stored energy such as gravitational, elastic, and magnetic potential energy.
• Explain how changes in object positions and configurations alter stored energy in systems.
• Describe real-world examples of potential energy changes, including compressed springs, elevated objects, and magnets.

Learning Objectives

• Explain how scientific predictive models relate variables to expected outcomes.
• Identify the assumptions and variables in a model and describe what they let scientists predict.
• Use a model to make testable predictions and connect those predictions to data patterns.

Learning Objectives

• Identify systematic and random errors in measurements
• Understand how instrument limitations and human factors introduce errors
• Learn methods to quantify uncertainty in measurements+ Show more

Learning Objectives

• Understand the causes and mechanisms of seismic activity at faults.
• Identify different types of seismic waves and their propagation.
• Learn how to locate epicenters and interpret earthquake intensity and magnitude.+ Show more

Learning Objectives

• Explain how density relates to mass and volume and use it to predict whether an object sinks or floats
• Describe buoyancy as a force caused by differences in pressure in fluids
• Analyze how changes in fluid density (including temperature) affect buoyant behavior, such as hot air balloons rising

Learning Objectives

• Explain density as mass per unit volume using SI units
• Calculate and interpret density values to predict whether objects float or sink in water
• Differentiate relative density and specific gravity using water as the reference+ Show more

Learning Objectives

• Understand the concept of density as a relation between mass and volume.
• Explain how density influences buoyancy and object behavior in fluids.
• Calculate density using given mass and volume measurements.+ Show more

Learning Objectives

• Describe the five main types of species interactions: predation, competition, parasitism, mutualism, and commensalism.
• Explain how different species interactions influence population dynamics and community structure.
• Identify examples of each species interaction in ecological contexts.+ Show more

Learning Objectives

• Explain how net force is determined when multiple forces act on an object
• Use Newton’s second law idea (a depends on net force and mass) to predict acceleration
• Connect net force to changes in velocity, including changes in speed and direction+ Show more

Learning Objectives

• Explain how models show structure-function relationships in cells.
• Use models to describe how diffusion and osmosis support cell survival.
• Connect organelle roles to energy transfer in cell processes.+ Show more

Learning Objectives

• Explain how particle models connect the structure of atoms and molecules to observable properties such as state of matter.
• Compare polar and nonpolar molecular arrangements and predict how they affect interactions with water (solubility and separation).
• Describe how extended structures (polymers and crystalline solids) differ in properties based on particle connections and energy movement.

Learning Objectives

• Explain how abiotic and biotic factors interact to change population size and distribution
• Describe how birth, death, immigration, and emigration influence local population trajectories
• Use examples from Alberta to connect density dependence and seasonal climate to population dynamics

Learning Objectives

• Describe how energy transfers through different mechanical subsystems such as gears, pulleys, and hydraulics.
• Identify points of energy conversion and quantify energy losses in system components.
• Calculate the net useful energy transfer in case study systems like conveyor assemblies and pump–actuator systems.+ Show more

Learning Objectives

• Differentiate between static friction and kinetic friction and explain when each applies.
• Describe how surface texture, normal force, and material pairing affect frictional force.
• Apply friction concepts to real-world scenarios involving traction, road/gravel wear, and slope driving force.

Learning Objectives

• Understand the concept of kinetic energy and its dependence on mass and speed.
• Interpret graphs relating kinetic energy to mass and the square of speed.
• Analyze the energy interchange in systems like pendulums and roller coasters.+ Show more

Learning Objectives

• Understand the basic concepts of particles and their behavior in different states of matter.
• Recognize how particle motion and arrangement influence properties like rigidity, flow, and compressibility.
• Relate microscopic particle behavior to macroscopic observable traits in real-world examples.

Learning Objectives

• Describe the classification of igneous, sedimentary, and metamorphic rocks.
• Explain the processes of the rock cycle, including melting, cooling, sedimentation, and metamorphism.
• Identify geological evidence such as strata, fossils, and radiometric dating used to interpret Earth's history.+ Show more

Learning Objectives

• Describe the particle arrangements of solids, liquids, and gases.
• Explain how particle bonding strength and energy influence state properties.
• Identify examples of different states of matter in Alberta environments.+ Show more

Learning Objectives

• Understand the fundamental principles of measurement including accuracy, precision, and SI units.
• Apply measurement conventions and unit conversions accurately in scientific contexts.
• Identify appropriate instruments for measuring mass, volume, length, and temperature.+ Show more

Learning Objectives

• Define and differentiate between dynamic and kinematic viscosity.
• Explain how viscosity affects fluid flow in pipes and systems.
• Identify factors influencing viscosity, such as temperature and shear.+ Show more

Learning Objectives

• Explain how electric and magnetic forces can be described using field interactions
• Describe how interaction strength changes with separation distance for electric forces and with orientation/pole strength for magnetic interactions
• Use examples (charged pith balls, bar magnets, compass near a wire) to predict force direction and relative magnitude

Learning Objectives

• Explain how intermolecular forces influence melting point, boiling point, and solubility.
• Describe regional phenomena such as freeze–thaw cycles, hydrocarbon volatility, and humidity effects in terms of molecular interactions.
• Compare the strength of different types of intermolecular forces and their effects on physical properties.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the principles of habitat reclamation and restoration.
• Identify different strategies used to restore ecological functions.
• Analyze the importance of monitoring recovery metrics.+ Show more

Learning Objectives

• Describe characteristics of drainage basins and watershed boundaries.
• Explain how runoff generation, stream networks, and tributary hierarchy affect watershed functions.
• Analyze the influence of land cover, slope, and soil type on infiltration and overland flow.+ Show more

Learning Objectives

• Explain how magnetic fields are produced by magnets and by moving electric charges in current-carrying conductors.
• Use field line ideas to describe polarity, relative strength, and how field patterns form around magnets.
• Compare the behavior of ferromagnetic materials to non-magnetic materials in magnetic fields.+ Show more

Learning Objectives

• Explain how the hydrologic cycle shapes water availability in a large basin
• Describe how watershed connectivity influences nutrient loading and ecosystem impacts
• Distinguish groundwater–surface water exchange and identify possible contaminant pathways+ Show more