Grade 8 Science Worksheets

Learning Objectives

• Define constant speed and describe its characteristics.
• Interpret distance-time graphs to identify constant speed.
• Differentiate between instantaneous speed and average speed.+ Show more

Learning Objectives

• Understand how mass influences the effect of net force on motion
• Compare responses of objects with different masses to pushes
• Apply qualitative proportional reasoning to situations involving force and acceleration

Learning Objectives

• Understand how pollution alters ecosystem chemistry.
• Identify sources of water pollution.
• Explain the effects of pollutants on water quality and aquatic life.+ Show more

Learning Objectives

• Understand the energy transformations occurring in a pendulum system.
• Identify factors that influence the period and energy distribution of a pendulum.
• Explain the concept of conservation of mechanical energy in ideal systems.+ Show more

Learning Objectives

• Define mass and weight using correct scientific meaning
• Explain how weight depends on mass and gravitational acceleration
• Use examples to distinguish mass (matter) from weight (gravity force)

Learning Objectives

• Explain how particle motion and arrangement relate to solids, liquids, and gases
• Use particle theory to predict changes of state when temperature changes
• Describe observable properties such as rigidity, flow, and compressibility using particle-level ideas

Learning Objectives

• Use proportional reasoning to relate reactant and product amounts in balanced chemical reactions.
• Apply the law of mass conservation to interpret mass changes in closed systems.
• Estimate reagent needs and expected residues using stoichiometric thinking.

Learning Objectives

• Explain how human land use can fragment habitats and change habitat size and quality for native species.
• Describe how fragmentation affects edge effects, hydrology, soil properties, and habitat connectivity.
• Use cause-and-effect reasoning to predict how land use changes can influence population survival and biodiversity over time.

Learning Objectives

• Understand the concept of aerodynamic drag and factors that influence it.
• Describe how shape and flow conditions affect air resistance in practical applications.
• Analyze how design choices can mitigate drag in vehicles and wind turbines.+ Show more

Learning Objectives

• Understand what makes a claim testable through evidence-based observations.
• Identify variables and how they influence observable outcomes.
• Construct clear hypotheses that specify relationships between factors.+ Show more

Learning Objectives

• Understand how evidence supports scientific claims and explanations.
• Differentiate between claims, reasoning, and alternative explanations.
• Evaluate explanations by comparing evidence and considering limits and uncertainties.+ Show more

Learning Objectives

• Explain how multiple organs work together as an organ system to maintain internal balance
• Describe how communication signals help coordinate system-wide responses to changing conditions
• Connect how tissue interfaces and compatibility support efficient exchange of materials

Learning Objectives

• Identify the roles of a power source, conductors, loads, and control elements in a simple electric circuit.
• Interpret common circuit schematic symbols and explain how they relate to circuit behavior.
• Predict what happens to current and continuity when switches are open or closed in series and parallel circuits.

Learning Objectives

• Identify common observable signatures of chemical change, including temperature change, precipitate formation, persistent colour change, and gas release.
• Explain how multiple evidence signals together can support the conclusion that a chemical reaction has occurred.
• Apply reaction-signature ideas to environmental and industrial examples such as corrosion, carbonate reactions, and combustion residues.

Learning Objectives

• Identify and describe the major types of tissues: epithelial, connective, muscle, and nervous.
• Compare the structure and function of different tissue types.
• Explain how cellular organization and extracellular components influence tissue properties.+ Show more

Learning Objectives

• Explain how crater density and the presence of smoother plains can indicate relative surface ages on solar system bodies.
• Compare geologic resurfacing processes such as lava flows and impact-related modification of the landscape.
• Use evidence from crater size, spacing, and surrounding materials to infer which surfaces are older or more recently altered.

Learning Objectives

• Understand key weather and climate concepts.
• Analyze data related to weather patterns and climate.
• Interpret weather graphs and tables.+ Show more

Learning Objectives

• Understand the impacts of invasive species on native ecosystems.
• Identify pathways through which invasive species spread and threaten biodiversity.
• Analyze ecological consequences of invasive plants and aquatic organisms in Alberta.+ Show more

Learning Objectives

• Explain what invasive species are and how they establish in new ecosystems.
• Identify ecological traits that enable invasive species to spread rapidly.
• Describe the impacts invasive species have on native biodiversity and ecosystem processes.+ Show more

Learning Objectives

• Explain how environmental impacts can occur before, during, and after a product’s use.
• Identify trade-offs between materials, maintenance, energy use, and end-of-life disposal.
• Use system-level thinking to compare different design options fairly.+ Show more

Learning Objectives

• Explain how vascular and circulatory systems distribute nutrients, gases, and wastes between cells and organs
• Describe how structural features (vessels, valves, and capillary beds) support directional flow and efficient exchange
• Compare bulk flow and diffusion as mechanisms of transport in plants and animals+ Show more

Learning Objectives

• Understand how engineering models connect inputs to expected outputs.
• Explain how measurements from prototypes influence model adjustments.
• Describe the process of refining design models based on testing evidence.+ 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

• Distinguish correlation from causation when evaluating scientific claims
• Use causal reasoning to check variable direction and consider alternative explanations
• Assess how well evidence supports a causal conclusion and what additional evidence would be needed

Learning Objectives

• Explain how trophic modeling uses compartments and environmental pools to represent energy and matter movement.
• Describe mass-balance ideas and how production, respiration, and decomposition relate in simple models.
• Use model assumptions and sensitivity reasoning to interpret what changes in a system could mean.

Learning Objectives

• Compare how series and parallel circuits affect total resistance, current, and voltage across components.
• Predict how current splits among parallel branches and how voltage stays the same across parallel branches.
• Explain how different circuit arrangements affect brightness in lighting circuits and reliability in power distribution.

Learning Objectives

• Understand how mechanical and chemical processes work together in digestion.
• Identify the roles of tissue specialization and organ functions in the digestive system.
• Explain how the circulatory system transports nutrients throughout the organism.+ Show more

Learning Objectives

• Explain how igneous, sedimentary, and metamorphic rocks form from changes in Earth materials
• Describe how mineral composition and crystal structure relate to physical properties
• Use evidence from the rock record to connect tectonic activity to long-term changes in Earth’s crust

Learning Objectives

• Understand how mechanical and chemical processes work together in digestion.
• Identify the roles of tissue specialization and organ functions in the digestive system.
• Explain how cellular structures like microvilli contribute to nutrient absorption.+ Show more

Learning Objectives

• Explain how runoff, erosion, transport, and deposition shape landforms such as valleys and deltas.
• Describe how groundwater influences features like springs and how weathering connects to water movement.
• Interpret how changes in gradient and drainage patterns affect where sediment accumulates.

Learning Objectives

• Explain the difference between weather and climate using long-term data patterns.
• Identify how natural variability can affect short-term observations versus long-term trends.
• Describe climate feedbacks (such as ice-albedo and water-vapor effects) and predict their impacts.+ Show more

Learning Objectives

• Explain how crater density and surface texture help scientists infer the relative ages of planetary surfaces.
• Compare heavily cratered regions with smoother plains in terms of geologic activity and resurfacing history.
• Use evidence from impact craters and surrounding materials to support claims about past processes.

Learning Objectives

• Explain energy conservation using the idea of a system and its surroundings
• Identify how energy transfers and changes form during a friction or lifting process
• Use conservation to make predictions about how speed and height change over time

Learning Objectives

• Define power, energy, and time and identify the main idea of a scientific text.
• Explain how efficiency compares useful output to input using device examples.
• Describe how common loss mechanisms reduce delivered energy in electrical systems.

Learning Objectives

• Understand the importance of calibration and measurement consistency
• Recognize how replication distinguishes random variation from real effects
• Learn how to manage outliers without compromising data integrity+ Show more

Learning Objectives

• Understand how scatter plots illustrate relationships between two variables.
• Interpret data points and identify trends on a scatter plot.
• Learn the importance of proper labeling and scaling in data representation.

Learning Objectives

• Describe the process of muscle contraction and the roles of actin, myosin, ATP, and calcium.
• Explain how sarcomere organization affects contraction strength and speed.
• Understand how cellular architecture and energetic processes contribute to coordinated muscle movements.+ Show more

Learning Objectives

• Describe how different tissue types integrate to form organs.
• Explain how organ architecture reflects functional and mechanical needs.
• Identify examples of organs and their tissue components.+ Show more

Learning Objectives

• Understand the different types of phase transitions between solid, liquid, and gas.
• Identify real-world examples of phase changes affecting environment and infrastructure.
• Explain the energy and particle rearrangements during phase transitions.+ Show more

Learning Objectives

• Understand how particle motion affects pressure and temperature in gases.
• Describe the relationships between pressure, temperature, and volume of gases.
• Explain how gases expand and contract with temperature changes.+ Show more

Learning Objectives

• Explain how particle models represent atoms and molecules before and after a chemical reaction.
• Use particle models to predict what new substances form and how many particles of each substance are present after reaction.
• Connect observable evidence (color change, gas formation, temperature change) to particle-level and energy-level changes.+ Show more

Learning Objectives

• Explain how inherited traits can become more common when they improve survival and reproduction.
• Describe how abiotic and biotic environmental pressures can influence adaptation.
• Predict how a population’s traits may change over multiple generations.

Learning Objectives

• Identify independent, dependent, and controlled variables in a research scenario.
• Design a fair test by choosing appropriate control variables to reduce confounding factors.
• Select measurable data-collection methods and explain how replication improves reliability.

Learning Objectives

• Explain how impacts can occur before a product works, during use, and after disposal using a life-cycle perspective.
• Identify trade-offs between stages (materials/manufacturing vs. maintenance vs. end-of-life) when comparing design options.
• Use system-level thinking to justify the “best” option under given constraints (cost, energy, waste, and feasibility).

Learning Objectives

• Explain how calibration, consistent measurement practices, and replication improve data accuracy and precision.
• Describe how random variation differs from real effects and why replication helps identify each.
• Use justification to manage outliers while preserving data integrity and fairness.+ Show more

Learning Objectives

• Explain how divergent, convergent, and transform plate boundaries shape Earth’s surface
• Describe how earthquakes and volcanism provide evidence for plate interactions
• Connect long-term processes (uplift, faulting, and erosion) to changes in topography

Learning Objectives

• Understand the principle of conservation of matter and energy during phase changes and chemical reactions.
• Explain how mass remains constant despite transformations.
• Describe energy conservation in processes such as freezing and sublimation.+ Show more

Learning Objectives

• Explain how long-term climate trends are identified from many years of weather data.
• Distinguish natural variability from persistent climate change using evidence such as temperature and precipitation trends.
• Describe how climate feedbacks can amplify or reduce warming using examples like ice-albedo and water-vapor effects.+ Show more