Grade 8 Science Worksheets

Learning Objectives

• Understand how to construct physical and computational models to generate data.
• Identify the limitations and sources of measurement uncertainty in models.
• Learn best practices for data recording, input conditions, and repeatability.+ Show more

Learning Objectives

• Understand the components and structure of ecosystem models, including biotic and abiotic factors.
• Interpret system diagrams and stock-and-flow representations to analyze ecosystem dynamics.
• Evaluate how changes in one component affect the entire ecosystem, supporting concepts of resilience and equilibrium.+ Show more

Learning Objectives

• Describe the roles of producers, consumers, and decomposers within food webs.
• Explain energy transfer and energy loss across trophic levels in ecosystems.
• Analyze how community structure and population sizes are affected by energy flow.+ Show more

Learning Objectives

• Explain the molecular basis of inheritance and how DNA sequences determine traits.
• Describe gene structure, transcription, translation, and how mutations affect proteins.
• Use examples like sickle cell hemoglobin to illustrate mutation impacts.+ Show more

Learning Objectives

• Understand how masses of reactants and products are related through stoichiometry.
• Use proportional reasoning to predict quantities in chemical reactions.
• Interpret observed mass changes using mass conservation principles.+ Show more

Learning Objectives

• Understand the concept of phase transitions and the particles involved.
• Identify different types of phase changes such as melting, freezing, vaporization, and condensation.
• Explain how energy exchange and pressure influence phase transitions.+ Show more

Learning Objectives

• Understand the principles of momentum exchange during collisions.
• Differentiate between elastic and inelastic collisions based on energy conservation.
• Apply the concept of impulse to analyze velocity changes in colliding objects.+ Show more

Learning Objectives

• Understand how energy is stored in systems through gravitational, elastic, and magnetic interactions.
• Identify factors that influence the amount of stored potential energy in various configurations.
• Explain how changes in position or configuration can release or transfer stored energy.+ Show more

Learning Objectives

• Understand how relative velocity depends on the reference frame.
• Apply proportional relationships among speed, distance, and time in different scenarios.
• Analyze how objects moving in the same or opposite directions affect observed speeds.+ Show more

Learning Objectives

• Describe the key features and functions of different organelles within cells.
• Compare prokaryotic and eukaryotic cells in terms of structure and organization.
• Understand the differences between single-celled and multicellular organisms.+ Show more

Learning Objectives

• Understand the relationship between energy transfer, material properties, and temperature change
• Learn about specific heat capacity and how it affects heating and cooling processes
• Apply calorimetric reasoning to compare material responses to heat transfer+ Show more

Learning Objectives

• Describe the particle arrangement, bonding strength, and energy in solids, liquids, and gases.
• Explain why solids retain fixed shape, liquids flow, and gases expand.
• Identify real-world examples of each state of matter in Alberta's environment and industry.+ Show more

Learning Objectives

• Understand the principle of mass conservation in chemical reactions.
• Track atoms and mass before and after reactions in closed systems.
• Interpret symbolic chemical equations to demonstrate mass balance.+ Show more

Learning Objectives

• Interpret scale relationships among solar system objects using quantitative data.
• Compare diameters, masses, and distances of planets and other celestial bodies.
• Understand and apply astronomical units and relative scaling to analyze spatial and temporal patterns.+ Show more

Learning Objectives

• Understand how particle motion relates to temperature and phase changes.
• Identify the microscopic and macroscopic signs of heat transfer.
• Explain phase changes such as melting, boiling, and condensation in terms of energy transfer.+ Show more

Learning Objectives

• Analyze observable indicators such as color change, gas production, precipitate formation, and temperature change to identify chemical reactions.
• Interpret qualitative and quantitative data to distinguish between physical and chemical changes in substances.
• Link macroscopic reaction evidence to particle rearrangement and formation of new substances with different properties.+ Show more

Learning Objectives

• Articulate a coherent model of the Earth–Sun–Moon system explaining cyclic phenomena.
• Describe the relative positions and motions that produce lunar phases, eclipses, and seasonal changes.
• Explain how orbital geometry and axial tilt influence observable sky patterns and calendar cycles.+ Show more

Learning Objectives

• Understand the role of gravity in governing motions within the solar system and galaxies.
• Explain how mutual gravitational attraction influences orbital trajectories.
• Describe the concepts of centripetal acceleration and the balance between inertia and gravity.+ Show more

Learning Objectives

• Understand the principles of conduction, convection, and radiation in heat transfer.
• Identify factors that influence heat flow in systems.
• Describe strategies for minimizing or maximizing thermal energy transfer.+ Show more

Learning Objectives

• Understand how models represent cellular processes and organelle functions.
• Identify different types of models used in biology such as diagrams and computational tools.
• Explain the relationships between cell structure and function, including membrane transport and energy pathways.+ Show more

Learning Objectives

• Understand how climate variation impacts temperature, precipitation, and extreme events.
• Analyze the effects of climate change on ecosystems and species distributions.
• Evaluate interactions such as pollination and migration affected by climate shifts.+ Show more

Learning Objectives

• Understand how abiotic factors affect species distribution and growth.
• Identify examples of abiotic factors in ecosystems.
• Analyze how changes in abiotic conditions can impact community composition.+ Show more

Learning Objectives

• Identify the key components that make up an ecosystem.
• Explain the roles of producers, consumers, and decomposers.
• Understand how sunlight, water, soil, and temperature influence ecosystems.+ Show more

Learning Objectives

• Understand the basic structure of atoms and how atoms form molecules.
• Describe the process of bonding and how atoms combine to create different substances.
• Explain the significance of chemical reactions and how they involve rearrangement of atoms.+ Show more

Learning Objectives

• Understand the concept of ecological succession and its stages.
• Differentiate between primary and secondary succession.
• Identify factors that influence successional pathways and landscape diversity.+ Show more

Learning Objectives

• Understand the factors influencing population change such as birth rates, death rates, immigration, and emigration.
• Analyze patterns of population increase, stability, and decline.
• Explore how reproductive strategies and resource availability impact growth rates.+ Show more

Learning Objectives

• Understand how pollution affects ecosystems and nutrient cycles.
• Identify the types and sources of pollutants and their environmental pathways.
• Assess the biological impacts of pollutants throughout food webs.+ Show more

Learning Objectives

• Explain how to predict reaction products based on reactant identities and reaction patterns.
• Understand the importance of balancing chemical equations to conserve atoms and determine formulas.
• Perform mole-to-mass conversions to compare quantities and estimate yields in reactions.+ Show more

Learning Objectives

• Understand the concept of constant speed and its representation on graphs.
• Learn how to calculate average and instantaneous speed in different motion scenarios.
• Interpret distance-time graphs to identify constant speed and acceleration.+ Show more

Learning Objectives

• Understand the concept of balanced forces and how they result in no change in motion.
• Differentiate between static and dynamic equilibrium in objects.
• Identify examples of balanced and unbalanced forces in real-world situations.+ Show more

Learning Objectives

• Describe what a force is and its effect on objects.
• Identify different types of forces such as gravity, air resistance, and contact forces.
• Explain how forces combine as net forces to change motion.+ Show more

Learning Objectives

• Understand the concept of energy dissipation and its effects on mechanical systems.
• Identify different mechanisms of energy dissipation such as friction, air resistance, and inelastic deformation.
• Quantify how efficiency relates to energy losses in machines.+ Show more

Learning Objectives

• Understand the different forms of mechanical energy such as kinetic and potential energy.
• Explain how energy transfers occur when work is done by forces.
• Describe how energy is transformed in simple systems like pendulums and falling objects.+ Show more

Learning Objectives

• Understand the concept of homeostasis and its importance in maintaining internal stability.
• Identify feedback mechanisms involved in regulating body conditions.
• Describe how cellular and organ systems work together to maintain balance.+ Show more

Learning Objectives

• Describe how actin and myosin filaments interact during muscle contraction.
• Explain the roles of ATP and calcium signaling in muscle function.
• Understand how sarcomere organization influences contraction strength and speed.+ Show more

Learning Objectives

• Understand the characteristics of drainage basins and watershed boundaries.
• Explain how land cover, slope, and soil type influence runoff and infiltration.
• Identify storage elements like lakes and wetlands that modulate flow regimes.+ Show more

Learning Objectives

• Understand how gear ratios influence torque and speed in simple and compound gear trains.
• Calculate overall gear ratios and analyze their effects on mechanical advantage.
• Describe the roles of spur gears and idler gears in gear train configurations.+ Show more

Learning Objectives

• Understand how matter cycles through ecosystems involving living and nonliving components.
• Identify processes such as decomposition, gas exchange, and nutrient transformation that return elements to the environment.
• Explain how producers and consumers transfer matter within ecosystems.+ Show more

Learning Objectives

• Understand the concept of homeostasis and its importance in organisms.
• Identify the roles of receptors, control centers, and effectors in feedback systems.
• Explain how internal variables are regulated to maintain stability.+ Show more

Learning Objectives

• Understand how to evaluate whether evidence supports a causal relationship or just correlation.
• Identify variables, alternative causes, and patterns across different conditions or trials.
• Analyze media claims to determine if they match the strength and limitations of available data.+ Show more

Learning Objectives

• Understand how to represent data visually using different types of graphs.
• Identify patterns, trends, and relationships between variables in graphs.
• Learn to interpret scatter plots, line graphs, and bar graphs accurately.+ Show more

Learning Objectives

• Understand how particle models explain chemical reactions and energy changes.
• Identify observable evidence of chemical reactions such as color change, gas formation, and temperature change.
• Connect changes at the particle level to real-world evidence of reactions.+ Show more

Learning Objectives

• Understand the different states of matter and their particle arrangements.
• Describe how temperature affects particle motion in solids, liquids, and gases.
• Explain the process of state changes and how particles rearrange during these changes.+ Show more

Learning Objectives

• Understand how climate patterns are summarized from long-term weather data.
• Identify different types of climate feedback mechanisms and their effects.
• Interpret climate data trends and distinguish natural variability from persistent change.+ Show more

Learning Objectives

• Compare surface features of different planetary bodies to understand their geologic history.
• Identify the significance of crater density and resurfacing processes in planetary geology.
• Explain how erosion and atmospheric effects influence surface features.+ Show more

Learning Objectives

• Describe how igneous, sedimentary, and metamorphic rocks form under different conditions.
• Identify key mineral properties and what they reveal about mineral composition.
• Explain how the rock record connects Earth’s tectonic activity to geological changes.+ Show more

Learning Objectives

• Identify key features of the solar system and the evidence supporting their characteristics.
• Understand how planetary compositions, densities, and surface features relate to planetary history.
• Analyze orbital patterns and the arrangement of planets to infer gravitational interactions during early solar system evolution.+ Show more

Learning Objectives

• Understand how water movement shapes Earth's surface through erosion, transport, and deposition.
• Identify the roles of runoff, groundwater, and tectonic uplift in landscape evolution.
• Describe models that combine reservoir flow with surface pathways to explain water and landform interactions.+ Show more