Grade 8 Worksheets

Learning Objectives

• Identify and describe different types of energy, including kinetic, gravitational potential, elastic, thermal, chemical, and electrical energy.
• Explain examples of energy transfer and transformation in everyday systems.
• Use basic equations to compare kinetic and potential energy in real-world contexts.+ Show more

Learning Objectives

• Understand the criteria and constraints involved in defining engineering problems.
• Identify measurable performance goals, safety, and environmental requirements.
• Analyze trade-offs among cost, time, durability, and stakeholder needs.+ Show more

Learning Objectives

• Identify different types of energy present in mechanical systems.
• Describe how potential and kinetic energy convert within systems.
• Recognize thermal and acoustic energy as energy sinks.+ Show more

Learning Objectives

• Explain that gravitational interactions are universally attractive and depend on mass and distance.
• Describe how gravity influences planetary orbits, satellite motion, and ocean tides.
• Understand the inverse-square relationship between force, mass, and distance in gravity.+ Show more

Learning Objectives

• Analyze the relationship between net force, mass, and acceleration using mathematical models.
• Interpret graphical representations and perform proportional calculations related to force and motion.
• Predict change in motion when force or mass varies within middle-grade numerical ranges.

Learning Objectives

• Understand how electric and magnetic forces interact via field interactions.
• Explain Coulomb's law and how force depends on charge and separation distance.
• Describe magnetic dipole interactions and factors affecting their force.+ Show more

Learning Objectives

• Understand the principles of momentum exchange during collisions
• Differentiate between elastic and inelastic collisions using conservation laws
• Apply the impulse-momentum theorem to collision scenarios+ Show more

Learning Objectives

• Understand what invasive species are and how they disrupt ecosystems.
• Identify examples of invasive plants and aquatic organisms in Alberta.
• Explain ecological impacts such as competition with native species and changes to energy pathways.+ Show more

Learning Objectives

• Understand processes that create new species through genetic divergence and reproductive isolation.
• Recognize the role of geographic isolation, adaptive radiation, and selection in speciation.
• Identify fossil and genetic evidence supporting episodes of diversification and mass extinction.+ Show more

Learning Objectives

• Classify materials as elements, compounds, or mixtures based on their composition and properties
• Distinguish between pure substances and mixtures using evidence such as uniformity and composition
• Explain why classification helps scientists choose appropriate testing and treatment methods+ Show more

Learning Objectives

• Explain how changes in an object's kinetic energy relate to energy transfers within a system.
• Describe examples of energy transfer in collisions, friction, and energy conversions.
• Analyze how energy is conserved across system boundaries through work and heat transfer.+ Show more

Learning Objectives

• Explain the difference between an observation and a testable claim.
• Identify independent, dependent, and constant variables in a hypothesis.
• Write and evaluate hypotheses using measurable variables and realistic expectations.

Learning Objectives

• Explain the principles of conduction, convection, and radiation in thermal energy transfer.
• Identify materials and design strategies that minimize or maximize heat flow in systems.
• Understand how macroscopic temperature differences relate to microscopic particle energies and how material properties influence heat transfer rates.+ Show more

Learning Objectives

• Understand the concept of variability in measurements
• Interpret ranges and variability measures in data sets
• Analyze scatterplots to identify correlations+ Show more

Learning Objectives

• Understand the differences between weather and climate patterns.
• Describe how atmospheric variables like temperature, humidity, and pressure influence weather events.
• Explain the role of air mass interactions, fronts, and circulation cells in weather formation.+ Show more

Learning Objectives

• Interpret the slope and area of distance–time and velocity–time graphs to analyze motion.
• Distinguish between uniform and uniformly accelerated motion using graphical representations.
• Apply methods to calculate speed and acceleration from graph features.+ Show more

Learning Objectives

• Explain the transfer of energy within terrestrial and aquatic food webs.
• Identify producers, consumers, and decomposers and their roles in ecosystems.
• Describe different trophic levels and energy loss between levels.+ Show more

Learning Objectives

• Understand the difference between static and kinetic friction.
• Identify factors affecting frictional forces such as surface texture and normal force.
• Analyze regional examples where friction plays a vital role in transportation and agriculture.+ Show more

Learning Objectives

• Understand how friction and fluid drag oppose motion and influence acceleration.
• Identify factors affecting friction and drag, such as surface types, speed, and shape.
• Explain how resistive forces transform mechanical energy into thermal energy.+ Show more

Learning Objectives

• Identify phenotypic variation among organisms
• Explain how traits are inherited
• Understand environmental factors influencing natural selection+ Show more

Learning Objectives

• Identify the structural differences between plant and animal cells and their functional implications.
• Compare prokaryotic and eukaryotic cells in terms of organization and roles in ecosystems.
• Explain how cellular structures like cell walls, chloroplasts, and lysosomes support specific physiological functions.+ Show more

Learning Objectives

• Explain the principle of mass conservation in chemical reactions.
• Identify real-world examples of mass conservation in industry and environmental settings.
• Apply the principle to analyze closed system reactions and processes.

Learning Objectives

• Identify a speaker’s main claim in an oral or written argument.
• Evaluate how well reasons and evidence support a claim, including relevance, sufficiency, and credibility.
• Analyze counterpoints by checking assumptions, weaknesses, and missing support in the reasoning.

Learning Objectives

• Explain how watershed boundaries determine where water flows within and between drainage basins
• Describe how land cover, slope, and soil type influence infiltration and runoff generation
• Analyze how stream networks form a hierarchical system of tributaries that affects downstream impacts+ Show more

Learning Objectives

• Explain how density differences from temperature and salinity create layered (stratified) fluids and pycnoclines
• Describe how buoyancy acts to resist vertical displacement and what buoyancy frequency tells us about stability
• Predict how mixing limitations affect pollutant dispersion and thermal layering in natural waters and reservoirs

Learning Objectives

• Understand the concept of risk reduction behaviors and their importance in health.
• Identify various actions that help decrease health-related risks.
• Recognize the impact of personal choices on safety and wellness.+ Show more

Learning Objectives

• Describe the hierarchical levels of cell organization in multicellular organisms.
• Explain how similar cells form tissues with shared functions.
• Identify how tissues combine to form organs with specific roles.+ Show more

Learning Objectives

• Identify how fitness components (cardiovascular endurance, muscular strength, flexibility, and body composition) relate to effort during physical activity.
• Differentiate moderate versus vigorous exertion using observable signs of intensity and safe self-assessment.
• Use effort evaluation to set realistic activity goals and track improvements over time.

Learning Objectives

• Explain why oral histories shared on Grandparents Day help preserve culture, values, and community memory.
• Identify narrative techniques and themes (such as resilience, tradition, and shared values) in an elder’s story.
• Demonstrate comprehension by answering questions about story meaning, tone, and connections to present choices.

Learning Objectives

• Interpret data by identifying trends, patterns, and relationships in graphs and tables.
• Explain whether data suggest correlation, causation, or no clear relationship while using scientific reasoning.
• Evaluate the role of uncertainty and outliers in forming evidence-based conclusions.+ Show more

Learning Objectives

• Understand the importance of accessing reliable health information.
• Identify resources and services available for health support.
• Develop skills for evaluating health information validity.+ Show more

Learning Objectives

• Learn how to identify credible sources of health information.
• Understand how to evaluate the accuracy of health claims.
• Recognize common signs of false or misleading health information.+ Show more

Learning Objectives

• Use scale factors to compare solar system sizes and explain what changes when objects are scaled up or down.
• Interpret patterns in mean orbital distance (in astronomical units) and orbital period (in Earth days/years).
• Describe how orders of magnitude differ between planetary radii and interplanetary distances.

Learning Objectives

• Understand the concept of green infrastructure and its role in stormwater management.
• Identify different types of nature-based and engineered green infrastructure practices.
• Explain how design parameters influence the effectiveness of green infrastructure solutions.+ Show more

Learning Objectives

• Identify observable evidence distinguishing chemical and physical changes.
• Describe examples of physical and chemical reactions based on evidence.
• Explain how observable signs indicate atomic rearrangement or property change.+ Show more

Learning Objectives

• Interpret slopes, areas under curves, and rates of change in graphs.
• Connect graphical data with physical phenomena like motion and energy transfer.
• Translate between equations, data tables, and graphs to analyze rates and relationships.+ Show more

Learning Objectives

• Understand the importance of participation in physical activities for health and well-being.
• Identify common barriers that prevent sustained activity.
• Develop strategies to overcome obstacles to remain active.

Learning Objectives

• Identify components and interactions in a complex physical system.
• Perform systematic force accounting to determine equilibrium or net acceleration.
• Distinguish internal forces from external forces and explain how each affects motion.

Learning Objectives

• Understand how energy influences atomic bonds and phase changes
• Model microscopic atomic behavior during heating and cooling
• Connect energy transfer to macroscopic states of matter+ Show more

Learning Objectives

• Understand the roles of producers, consumers, and decomposers in ecosystems.
• Explain energy transfer across trophic levels within food webs.
• Describe how energy loss affects community structure and population size.+ Show more

Learning Objectives

• Explain how competition, predation, mutualism, commensalism, and parasitism affect survival and reproduction.
• Describe how symbiotic relationships can benefit one or both species in an ecosystem.
• Analyze how species interactions can change population sizes and ecosystem stability.

Learning Objectives

• Develop skills to assess the validity of scientific claims and evidence.
• Identify logical fallacies and distinguish correlation from causation in data.
• Evaluate the quality and credibility of scientific sources and methodologies.+ Show more

Learning Objectives

• Identify the major human body systems and their functions.
• Explain how different body systems work together to maintain health.
• Recognize common habits that support bodily health and disease prevention.

Learning Objectives

• Understand how properties such as pH, conductivity, density, and refractive index indicate chemical changes.
• Identify property shifts that signal the formation of new substances during reactions.
• Distinguish between physical and chemical changes based on indicator property measurements.+ Show more

Learning Objectives

• Understand the mathematical principles behind exponential and logistic growth models in populations.
• Interpret population growth graphs and relate them to real-world ecological scenarios.
• Explain factors such as carrying capacity, predation, and resource availability that influence population dynamics.+ Show more

Learning Objectives

• Understand the difference between criteria and constraints in design processes.
• Identify examples of criteria and constraints in real-world projects.
• Analyze how constraints limit design options and how criteria define success.+ Show more

Learning Objectives

• Understand how abiotic factors influence species distribution and physiology.
• Identify different abiotic factors such as light, temperature, water, and soil composition.
• Analyze the impact of seasonal and microhabitat variations on ecosystems.+ Show more

Learning Objectives

• Understand key concepts of resource management including sustainability and conservation.
• Compare practices for water, forests, minerals, and soils in terms of sustainable use.
• Evaluate the social, economic, and environmental impacts of resource extraction and conservation.+ Show more