Grade 8 Worksheets

Learning Objectives

• Identify and describe the main chemical reaction types: synthesis, decomposition, single displacement, double displacement, and combustion
• Explain how atoms reorganize during each reaction type using bond-making and bond-breaking patterns
• Predict likely products by matching a reaction description to its correct reaction type

Learning Objectives

• Describe how multiple geologic features (rock ages, mountain belts, trenches, and ridges) provide evidence of past plate movement
• Match specific evidence types (fossils, minerals, rock patterns) to what they suggest about once-adjacent landmasses
• Explain how combining lines of evidence leads to a coherent model of plate rearrangement over time

Learning Objectives

• Understand how human activities impact natural habitats
• Identify the effects of habitat fragmentation on ecosystems
• Analyze land use patterns and their long-term consequences

Learning Objectives

• Identify different trophic levels in a food chain.
• Explain how energy flows from producers to consumers.
• Describe the concept of energy transfer efficiency between trophic levels.+ Show more

Learning Objectives

• Explain how density helps predict whether an object will sink or float in a fluid.
• Use comparisons of object density and fluid density to justify buoyant behavior.
• Describe how buoyant force relates to displaced fluid and forces acting on objects.

Learning Objectives

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

Learning Objectives

• Explain how DNA stores hereditary information and is used as instructions inside cells
• Describe how genes and chromosomes relate to the production of proteins
• Connect DNA changes (mutations) to changes in protein production and inherited traits+ Show more

Learning Objectives

• Explain how latitude affects the angle of incoming solar energy and influences regional climate
• Describe how atmospheric circulation, ocean currents, greenhouse gases, and surface reflectivity contribute to climate patterns
• Use evidence-based reasoning to connect climate drivers to short-term weather differences and long-term climate shifts

Learning Objectives

• Explain how plate movement can cause earthquakes and volcanic eruptions by describing energy release in Earth’s interior.
• Identify patterns in where earthquakes and volcanoes occur and relate them to tectonic hazards.
• Compare primary and secondary effects of seismic and volcanic events, such as landslides and tsunamis.

Learning Objectives

• Explain how adaptations help organisms survive in specific environments.
• Describe natural selection as a process involving variation, inheritance, and differential survival.
• Use evidence from an example to predict how traits may change over generations.

Learning Objectives

• Explain how climate variation and change can alter temperature, precipitation, and extreme events in an ecosystem.
• Describe how climate-driven changes can cause timing mismatches that affect reproduction, survival, and species interactions.
• Use examples to predict how species ranges and life-cycle events (phenology) may shift with warming.

Learning Objectives

• Explain conservation of energy in a defined system using kinetic, potential, and thermal energy
• Describe how energy is transferred or converted during collisions and gravity-driven motion
• Use an energy accounting model to predict changes in speed, temperature, and motion over time+ Show more

Learning Objectives

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

Learning Objectives

• Define and differentiate between passive and active transport mechanisms across cell membranes.
• Explain the processes of diffusion, osmosis, facilitated diffusion, and active transport.
• Identify the roles of carrier proteins and pumps in membrane transport.+ Show more

Learning Objectives

• Identify the main goals of ecological restoration.
• Describe how habitat, soils, and species are restored to support ecosystem recovery.
• Explain why monitoring and adaptive management are used in restoration projects.

Learning Objectives

• Understand the basic principles of hydraulic systems and Pascal's law.
• Learn how force is transmitted and amplified using pistons and interconnected chambers.
• Identify real-world applications like hydraulic jacks and brake systems.+ Show more

Learning Objectives

• Understand Newton's third law and how forces act in pairs during interactions.
• Identify examples of action-reaction force pairs in real-world situations.
• Explain why objects respond differently despite experiencing equal and opposite forces.+ Show more

Learning Objectives

• Explain how erosion, transport, and deposition change Earth’s surface through flowing water.
• Describe how runoff and groundwater influence where valleys, deltas, and springs form.
• Connect tectonic uplift and drainage patterns to changes in sediment accumulation over time.

Learning Objectives

• Understand the concept of negative feedback in maintaining body temperature.
• Identify internal mechanisms that regulate temperature, such as sweating and shivering.
• Explain how the body senses temperature changes and responds accordingly.+ Show more

Learning Objectives

• Describe the different states of matter: solid, liquid, gas, and plasma.
• Explain the kinetic molecular theory as it relates to phase changes.
• Identify energy changes associated with phase transitions such as melting, boiling, condensation, and sublimation.+ Show more

Learning Objectives

• Explain how friction is a contact force that opposes relative motion between surfaces
• Describe how surface texture and normal force affect the frictional force and motion of objects
• Use real-world examples (brakes, sleds, tires) to predict how friction changes motion and energy transfer

Learning Objectives

• Understand the concept of work as force applied over a distance.
• Identify different forces and how they do work.
• Relate work to changes in kinetic and potential energy.+ Show more

Learning Objectives

• Identify and describe the main types of chemical reactions: synthesis, decomposition, single displacement, double displacement, and combustion.
• Understand characteristic bond-making and bond-breaking patterns in different reaction types.
• Recognize examples of each reaction type and predict possible products based on reaction patterns.+ Show more

Learning Objectives

• Describe the process of muscle contraction involving actin and myosin filaments.
• Explain the role of ATP and calcium signaling in muscle contraction.
• Identify how sarcomere organization influences contraction strength and speed.+ Show more

Learning Objectives

• Understand the concept of measurement uncertainty and its sources.
• Identify techniques for minimizing and evaluating measurement errors.
• Learn how to propagate error when combining measurements in calculations.+ Show more

Learning Objectives

• Define braking distance and identify the forces involved
• Explain how tire-road friction affects stopping distance
• Analyze the influence of environmental and mechanical factors such as winter conditions and brake systems+ Show more

Learning Objectives

• Identify abiotic and biotic factors affecting population size and distribution
• Understand examples of population dynamics in Alberta wildlife
• Explain how birth, death, immigration, and emigration influence populations+ Show more

Learning Objectives

• Identify key components of the immune system
• Understand the roles of innate and adaptive immunity
• Recognize different immune cells and their functions+ Show more

Learning Objectives

• Explain energy conservation using the idea of a system and its surroundings.
• Identify how energy transfers between forms (mechanical, thermal, and potential) in real-world scenarios.
• Use energy-form tracking to make predictions about changes in motion and temperature.

Learning Objectives

• Describe the phases of interphase and explain why DNA replication is necessary.
• Sequence and explain the stages of mitosis and cytokinesis.
• Explain how checkpoints help maintain DNA fidelity and prevent genomic instability.+ Show more

Learning Objectives

• Explain the processes involved in the rock cycle
• Identify different types of rocks and how they form
• Describe how Earth's materials are recycled through geological processes

Learning Objectives

• Explain how forces act as pushes or pulls that can change an object’s motion
• Use the ideas of balanced and unbalanced forces to predict changes in velocity
• Identify how the direction and size of forces affect speed and direction

Learning Objectives

• Identify how literary texts use plot, characterization, and conflict resolution to develop theme and perspective.
• Identify how informational texts use topic paragraphs, definitions, and organizational patterns to clarify claims and relationships.
• Compare how structural conventions in literary and informational texts support comprehension and interpretation.

Learning Objectives

• Understand the characteristics of drainage basins and watershed boundaries.
• Identify key features such as runoff, stream networks, and tributaries.
• Explain how land cover, slope, and soil influence infiltration and overland flow.+ Show more

Learning Objectives

• Understand how earthquakes are distributed along plate boundaries
• Recognize patterns in seismic activity belts worldwide
• Interpret seismic data to infer Earth’s internal structure+ Show more

Learning Objectives

• Understand the basic processes of evaporation and condensation
• Identify the steps of the water cycle
• Describe how water moves through the environment+ Show more

Learning Objectives

• Understand the relationship between depth and pressure in fluids
• Explain how hydrostatic pressure depends on fluid density and vertical position
• Describe the concepts of communicating vessels and the hydrostatic paradox+ Show more

Learning Objectives

• Explain why voting is an important civic responsibility in a democracy.
• Describe how community service and respectful participation strengthen communities.
• Identify ways to respect laws and work within legal channels to create change.

Learning Objectives

• Explain how specific organelles help cells carry out essential functions
• Describe how differences in organelle structure and abundance match the needs of different cell types
• Use evidence from a passage to answer questions about organelle roles and relationships

Learning Objectives

• Explain the historical origins of International Workers' Day and why it became a global observance.
• Identify key worker struggles related to fair pay, fair hours, and safe working conditions.
• Describe how labor movements and solidarity influenced modern workplace protections.+ Show more

Learning Objectives

• Differentiate point sources from nonpoint sources of water contamination using examples.
• Explain how nutrient enrichment can lead to eutrophication and oxygen depletion in aquatic systems.
• Describe how sediment loading and chemical pollutants move through land-to-water pathways.

Learning Objectives

• Revise sentences to reduce redundancy by replacing repeated words with more specific alternatives.
• Use pronouns appropriately to maintain clear reference without overusing the same noun.
• Evaluate how word choice affects clarity and effectiveness in editorials or reports.

Learning Objectives

• Explain how decomposers break down dead matter and return nutrients to the environment.
• Describe the role of fungi and bacteria in nutrient cycling and ecosystem productivity.
• Connect decomposition to how energy moves through ecosystems over time.

Learning Objectives

• Understand how the circulatory system transports oxygen, nutrients, and wastes throughout the body.
• Identify the main functions of the circulatory, respiratory, digestive, nervous, and endocrine systems.
• Explain how different organ systems work together to maintain homeostasis.+ Show more

Learning Objectives

• Understand the purpose and importance of physical and computational models in scientific investigations.
• Learn how to construct simple physical models to analyze real-world phenomena.
• Recognize the limitations of models and sources of measurement uncertainty.+ Show more

Learning Objectives

• Understand how observable traits are inherited through genetic instructions.
• Identify different forms of genes and their influence on physical traits.
• Explain patterns of dominant and recessive traits and their inheritance in families.+ Show more

Learning Objectives

• Interpret the slope and area of graphs to explain physical motion and energy ideas
• Connect data tables and equations to the correct graphical representation
• Evaluate limits and domain choices to avoid incorrect conclusions from graphs

Learning Objectives

• Understand the concept of systems and their components
• Identify interactions within physical and ecological systems
• Explain how models represent real-world phenomena+ Show more