Grade 8 Worksheets

Learning Objectives

• Identify and describe the layers of the Earth's atmosphere.
• Understand the characteristics and functions of each atmospheric layer.
• Explain the role of ozone, greenhouse gases, and atmospheric pressure in weather and climate.+ Show more

Learning Objectives

• Explain how an author refines a broad claim using qualifiers, definitions, and explanatory details
• Revise sentences to narrow wording and make reasoning more precise and defensible
• Identify which changes strengthen an argument by adding constraints, evidence, or limits

Learning Objectives

• Understand what physical models are and how they are used in science
• Learn about the different types of models such as scale models, force sensors, and simulations
• Recognize the limitations and sources of measurement uncertainty in models+ Show more

Learning Objectives

• Explain how interactions among organisms (predation, competition, disease, and mutualism) influence population size.
• Describe how changes in populations can affect ecosystem stability over time.
• Connect population interactions to changes in energy flow and matter cycling.

Learning Objectives

• Explain how net force is found by combining forces, including forces acting in opposite directions.
• Predict how net force affects acceleration, including changes in speed and direction.
• Use a real-world example (a cart on a smooth track) to justify the direction of motion and acceleration.

Learning Objectives

• Understand the structure and functions of epithelial tissue
• Identify major tissue types: epithelial, connective, muscle, nervous
• Describe cellular components and extracellular matrix in tissues+ Show more

Learning Objectives

• Understand the steps involved in the scientific method and inquiry process.
• Identify key components such as hypotheses, operational definitions, and evidence-based claims.
• Describe how controlled experiments support causal reasoning.+ Show more

Learning Objectives

• Explain how observations and measurements become evidence for a design or claim.
• Compare data from testing to stated criteria to judge whether a solution works.
• Use both quantitative and qualitative evidence to strengthen confidence in results.

Learning Objectives

• Explain how contact time and force magnitude during a collision affect changes in motion
• Describe how deformation can absorb energy during short collisions
• Identify observable effects that relate to the peak force during contact

Learning Objectives

• Describe the relative positions of the Earth, Sun, and Moon during different phases.
• Explain how axial tilt and orbital motion cause seasonal changes.
• Identify the causes of lunar phases, solar eclipses, and lunar eclipses.+ Show more

Learning Objectives

• Explain mechanical energy as the sum of kinetic and potential energy
• Describe how energy transfers occur when forces do work
• Identify how friction and air resistance can convert mechanical energy into thermal energy

Learning Objectives

• Explain what refusal skills are and when using them is necessary for safety and well-being.
• Practice respectful refusal with clear verbal messages and helpful body language.
• Identify effective responses to peer pressure and risky requests in social situations.

Learning Objectives

• Identify the author’s purpose (to inform, persuade, entertain, or express a perspective) in a variety of texts
• Use evidence and craft choices (such as details, tone, and focus) to justify an author’s purpose
• Analyze how an intended message shapes what a reader understands about events, ideas, or issues

Learning Objectives

• Understand the mechanisms of conduction, convection, and radiation in thermal processes
• Identify examples of energy transfer in real-world scenarios
• Explain how energy transfer influences phase changes and temperature changes+ Show more

Learning Objectives

• Analyze the components of forces acting on slopes by resolving gravity into perpendicular and parallel components.
• Understand how slope steepness affects unbalanced forces and potential acceleration.
• Apply vector decomposition concepts to real-world inclined scenarios.

Learning Objectives

• Explain why calibration and instrument accuracy affect motion and force measurements.
• Estimate uncertainty and interpret results using significant figures.
• Compare repeatability and reliability when measurements change across trials.+ Show more

Learning Objectives

• Differentiate physical and chemical changes using particle-level reasoning.
• Identify observable chemical indicators such as gas production, color change, and precipitate formation.
• Use evidence-based claims to decide whether a new substance formed.

Learning Objectives

• Explain the three core statements of cell theory and how they apply to living things
• Describe how microscopy and imaging evidence helped scientists develop cell theory
• Use key cell theory vocabulary (cell, nucleus, organelle, pre-existing cells) to answer science questions

Learning Objectives

• Understand the processes involved in Earth's rock cycle.
• Identify different types of rocks and how they transform from one form to another.
• Explain how Earth's materials cycle through various Earth systems over time.+ Show more

Learning Objectives

• Identify figurative language devices (simile, metaphor, personification) in a text and explain their effects.
• Analyze how word choice (diction) and imagery shape mood, tone, and interpretation.
• Use specific phrases from a passage to support claims about how figurative language influences meaning.

Learning Objectives

• Understand the different design concepts for solutions such as helmets and lighting systems.
• Learn to evaluate and compare solutions using measurable performance indicators.
• Develop skills to create concept sketches, trade-off matrices, and assess solutions qualitatively and quantitatively.+ Show more

Learning Objectives

• Identify and use SI units for mass, length, volume, and temperature.
• Convert between common metric units and report measured values with appropriate significant figures.
• Distinguish accuracy from precision and explain how measurement uncertainty affects results.+ Show more

Learning Objectives

• Understand the definition of density as mass per unit volume.
• Learn how to calculate density using SI units.
• Identify the relationship between density, buoyancy, and object sinking or floating.+ Show more

Learning Objectives

• Define power as the rate of doing work.
• Explain units of power, specifically watts.
• Relate mechanical systems' performance to power output.+ Show more

Learning Objectives

• Identify the main idea and key details about atmospheric layers.
• Describe how pressure and temperature change with altitude.
• Explain why ozone and greenhouse gases matter in different layers.

Learning Objectives

• Explain how forces (pushes and pulls) change an object’s motion, including speed and direction
• Determine how balanced and unbalanced forces relate to stable motion or changes in velocity
• Use the idea of net force to predict the direction and effect of forces acting on an object

Learning Objectives

• Use consistent verb tense to make writing clear and credible.
• Apply correct subject–verb agreement in sentences and revise errors.
• Choose correct pronoun case to improve formal writing.+ Show more

Learning Objectives

• Identify common forces in a free-body diagram and choose their correct vector directions.
• Explain how normal, gravitational, friction, and tension forces act in everyday motion.
• Describe how net force and friction affect acceleration on ramps and in hanging-mass situations.

Learning Objectives

• Compare different energy resources by geographic distribution, infrastructure needs, and environmental footprints.
• Explain how energy choices affect settlement patterns, regional economies, and land use.
• Analyze causes and consequences of extraction and generation, including emissions and policy trade-offs.

Learning Objectives

• Explain how daily habits (hygiene, nutrition, sleep) support long-term health
• Identify lifestyle choices that can prevent illness and improve well-being
• Describe how personal behaviors affect health outcomes and responsibility

Learning Objectives

• Identify the causes and consequences of a specific local community event using evidence from multiple perspectives.
• Explain how economic interests, political decisions, and cultural interactions shaped local identity and memory.
• Compare continuity and change before and after an institutional or commemorative transformation.

Learning Objectives

• Explain how density-dependent factors affect population size through changes in competition, disease, and social behavior.
• Compare density-dependent and density-independent factors and predict how each can influence population change.
• Use examples from Alberta habitats to describe how weather and habitat conditions regulate populations.+ Show more

Learning Objectives

• Select appropriate variables and controls for a fair investigation in applied science contexts.
• Design a comparative procedure and collect reliable data while following safety and ethics guidelines.
• Use graphs and simple statistical summaries to support a conclusion based on evidence.

Learning Objectives

• Identify how audience needs affect tone, detail selection, and vocabulary choices in writing.
• Match writing styles to intended audiences and purposes (news report vs. fiction scene).
• Revise sentences to reduce unsafe assumptions and improve reader understanding.

Learning Objectives

• Identify observable reaction signatures of chemical change (temperature change, precipitate, colour change, gas release).
• Explain how combining multiple indicators increases confidence that a chemical change occurred.
• Apply reaction-signature ideas to environmental and industrial examples.

Learning Objectives

• Represent forces acting on an object using a free-body diagram with correct directions and relative sizes
• Identify and interpret the gravitational, normal, frictional, and applied forces in real-world scenarios
• Determine the direction of net force by reasoning with vector arrows (without focusing on calculations)

Learning Objectives

• Analyze historical and contemporary immigration patterns to Canada.
• Understand the impact of government policies on immigration and communities.
• Explore how demographic shifts influence national and regional identities.+ Show more

Learning Objectives

• Describe how nurses contribute to global health in different settings, including underserved communities.
• Explain how resilience and cultural awareness support effective nursing care.
• Identify challenges nurses face worldwide and discuss possible solutions.

Learning Objectives

• Understand how to interpret and convert numbers using scientific notation.
• Apply exponent laws to simplify and compare scientific notation expressions.
• Use scientific notation to estimate and analyze real-world data in contexts such as astronomy, biology, and finance.+ Show more

Learning Objectives

• Explain how semicolons join closely related independent clauses without a conjunction.
• Use colons to introduce lists, explanations, quotations, and cause-and-effect relationships.
• Choose between semicolons and colons by checking sentence readiness and the type of relationship between ideas.

Learning Objectives

• Define fluid pressure as force per unit area and identify its SI unit
• Explain how contact area affects surface pressure and how pressure acts within fluids
• Use the relationship between newtons per square metre and kilopascals+ Show more

Learning Objectives

• Explain how DNA sequence information is used to produce proteins and how proteins help determine observable traits.
• Describe the roles of genes, coding sequences, transcription, and translation in the inheritance of traits.
• Model how mutations (point mutations and frameshifts) can change amino acid sequences and affect protein function.+ Show more

Learning Objectives

• Maintain consistent verb tense in informational and argumentative sentences to keep timelines clear.
• Apply correct subject–verb agreement by matching singular and plural subjects with the right verb forms.
• Revise sentences to remove unintended tense shifts and fix agreement errors without changing meaning.

Learning Objectives

• Explain the main goals of Progressive reformers in the early 20th century, including improving working conditions and reducing political corruption.
• Describe how Progressive policies reflected changing ideas about government responsibility and regulation.
• Analyze how specific reforms addressed social and economic inequalities.

Learning Objectives

• Explain the concept of power as energy transfer per unit time.
• Compare the efficiency of different electrical devices and systems.
• Identify loss mechanisms such as resistive heating, transformer losses, and transmission dissipation.+ Show more

Learning Objectives

• Identify observable indicators of chemical reactions such as color change, gas evolution, and precipitate formation.
• Differentiate between chemical and physical changes based on reaction evidence.
• Explain how conservation concepts relate to observable reaction indicators in closed systems.

Learning Objectives

• Understand how birth rates, death rates, immigration, and emigration influence population change.
• Identify and analyze factors that contribute to population increase, stability, or decline.
• Interpret demographic models and measures used to assess population dynamics.+ Show more

Learning Objectives

• Identify the central idea of an informational text by locating the author’s direct statement of the main point.
• Explain how supporting statements connect claims to details and strengthen the author’s argument.
• Infer implied conclusions from explicit facts while distinguishing them from statements the author directly says.