Grade 8 Science Worksheets

Learning Objectives

• Explain the energy transformations involved in photosynthesis and cellular respiration.
• Describe how membrane transport processes regulate internal cell conditions.
• Identify the chemical inputs and outputs of photosynthesis and respiration.+ Show more

Learning Objectives

• Understand the major types of tissues: epithelial, connective, muscle, and nervous.
• Identify key features and functions of epithelial tissue.
• Describe the structural components and roles of connective tissue.+ Show more

Learning Objectives

• Describe different models used to represent cellular processes and structures.
• Explain the roles of organelles like mitochondria and chloroplasts in cell function.
• Interpret how membrane transport mechanisms relate to cell viability and overall function.+ Show more

Learning Objectives

• Explain Newton's three laws of motion and their real-world applications.
• Analyze how forces and mass affect the acceleration of an object.
• Identify action–reaction pairs in different physical scenarios.+ Show more

Learning Objectives

• Understand how energy enters and transfers within ecosystems.
• Identify the role of photosynthesis and food webs in energy flow.
• Explain why energy dissipation limits the number of trophic levels.+ Show more

Learning Objectives

• Explain the role of models and systems in understanding complex scientific phenomena.
• Identify components and interactions within various ecological and physical systems.
• Analyze examples of energy transfer, conservation of mass, and forces using diagrams and models.+ Show more

Learning Objectives

• Understand the key principles of ecological restoration in Alberta.
• Identify various habitat reclamation methods.
• Develop comprehension skills through reading and answering questions.

Learning Objectives

• Understand different separation techniques such as filtration, evaporation, and distillation.
• Learn how physical properties like particle size, solubility, boiling point, and magnetic susceptibility are used for separation.
• Interpret real-world applications of separation methods in water treatment, oil refining, and mineral processing.

Learning Objectives

• Describe the components and organization of ecosystems and biomes.
• Identify abiotic factors that influence community composition.
• Understand the roles of producers, consumers, and decomposers in food webs and energy flow.+ Show more

Learning Objectives

• Identify and describe the main parts of an ecosystem, including biotic and abiotic elements.
• Explain how producers, consumers, and decomposers cycle energy and matter.
• Analyze the influence of physical conditions like sunlight, water, soil, and temperature on ecosystems.+ Show more

Learning Objectives

• Analyze how biotic and abiotic factors influence population dynamics.
• Identify concepts such as carrying capacity, feedback mechanisms, and limiting factors.
• Interpret population graphs and trends in birth and death rates.+ Show more

Learning Objectives

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

Learning Objectives

• Understand the components and types of ecosystems and biomes
• Identify abiotic and biotic factors influencing ecosystems
• Explain the roles of producers, consumers, and decomposers in energy flow and nutrient cycling+ Show more

Learning Objectives

• Describe solids, liquids, gases, and plasma in terms of particle arrangement and motion.
• Explain phase changes using the kinetic molecular (particle) model of matter.
• Connect thermal energy changes to melting, boiling, condensation, freezing, and sublimation.+ Show more

Learning Objectives

• Understand different types of inquiry models: hypothesis-driven, descriptive, and correlational.
• Identify the key features, assumptions, and applications of each inquiry model.
• Evaluate the suitability of inquiry models in various scientific contexts like predator–prey relationships or energy flow diagrams.+ Show more

Learning Objectives

• Explain how energy enters ecosystems through photosynthesis.
• Describe the transfer and loss of energy at each trophic level.
• Understand the reasons behind the limited number of top predators and ecosystem productivity constraints.+ Show more

Learning Objectives

• Describe components and biomes of ecosystems, including abiotic factors.
• Explain trophic roles of producers, consumers, and decomposers within food webs.
• Analyze energy flow and matter cycling patterns in different biomes.+ Show more

Learning Objectives

• Analyze factors that influence population size and distribution.
• Explain growth patterns and oscillations in populations using graphs and data.
• Evaluate case examples of invasive species impacts and recovery after disturbances.+ Show more

Learning Objectives

• Compare how crater density helps scientists infer the relative ages of planetary surfaces
• Explain how resurfacing processes (like lava flows) produce smoother regions with fewer visible craters
• Use relationships between impact features and surrounding materials to support claims about geologic activity+ Show more

Learning Objectives

• Understand the development and evaluation of multiple design concepts using selection criteria.
• Differentiate solutions based on measurable performance indicators and constraints.
• Apply qualitative and quantitative assessment methods to compare competing solutions.+ Show more

Learning Objectives

• Differentiate between point and nonpoint sources of pollution with examples.
• Explain the processes of nutrient enrichment, eutrophication, and oxygen depletion in water bodies.
• Describe how land use and landscape practices influence pollutant transport pathways.+ Show more

Learning Objectives

• Understand basic concepts of probability, variability, and correlation in data analysis.
• Identify appropriate measures of central tendency and dispersion for data sets.
• Interpret scatterplots and correlation coefficients to evaluate relationships between variables.+ Show more

Learning Objectives

• Understand the components and forces involved in complex systems such as bridges, conveyor belts, and vehicle load distributions.
• Learn to decompose system forces into their vector components and analyze the effects of internal and external interactions.
• Assess whether systems are in static equilibrium or experiencing net acceleration based on systematic force accounting.+ Show more

Learning Objectives

• Choose appropriate summary statistics (mean, median, range, standard deviation) to describe variability in experimental data
• Interpret distributions and identify how spread and outliers affect conclusions
• Explain what a correlation coefficient does (and does not) tell you about two variables+ Show more

Learning Objectives

• Identify parts of a lever and explain how it works
• Understand the concept of mechanical advantage
• Describe how simple machines like levers, pulleys, and gears transfer energy+ Show more

Learning Objectives

• Explain how birth rates, death rates, immigration, and emigration affect population growth patterns
• Distinguish intrinsic growth factors (reproductive strategies and age structure) from extrinsic factors (density-dependent and density-independent)
• Use counts, estimates, and simple demographic models to interpret population change over time

Learning Objectives

• Describe the structural differences between plant and animal cells and their functional significance.
• Compare prokaryotic and eukaryotic cellular organization and explain how these differences relate to ecological roles.
• Identify and explain the significance of key cellular features such as cell walls, chloroplasts, lysosomes, and centrioles.+ Show more

Learning Objectives

• Explain how allele combinations determine dominant and recessive traits and how genotype relates to phenotype
• Use Punnett squares and basic probability to predict offspring trait ratios for simple Mendelian crosses
• Interpret segregation patterns in heredity and apply them to pedigree-style reasoning+ Show more

Learning Objectives

• Understand how pollution alters ecosystem chemistry and nutrient cycles.
• Identify the consequences of pollution on water quality, soil fertility, and organism health.
• Explain the process of eutrophication and its effects on aquatic systems.+ Show more

Learning Objectives

• Explain the principles of mechanical energy conservation in near-ideal systems such as pendulums and roller coasters.
• Identify how energy transforms between potential and kinetic forms based on height and speed.
• Discuss how energy dissipates into thermal forms due to friction and air resistance.+ Show more

Learning Objectives

• Understand and identify observable indicators of chemical change such as color change, gas production, precipitate formation, and temperature change.
• Analyze qualitative and quantitative data from various reactions like metal corrosion, combustion, and acid-base interactions.
• Differentiate chemical transformations from physical mixing based on macroscopic evidence.+ Show more

Learning Objectives

• Identify observable indicators of chemical reactions such as color change, gas evolution, precipitate formation, temperature change, and irreversible transformations.
• Distinguish between chemical and physical changes based on observable evidence.
• Explain how conservation concepts are involved in chemical reactions within closed systems.+ Show more

Learning Objectives

• Explain mass conservation in chemical reactions by tracking atoms in a closed system.
• Use particulate models and balanced chemical equations to connect microscopic atom conservation to macroscopic mass measurements.
• Predict outcomes in sealed-container reactions by accounting for all matter as reactants and products.

Learning Objectives

• Explain how human activities can change Earth systems by altering energy and matter in the atmosphere, hydrosphere, and geosphere
• Describe how greenhouse-gas emissions can influence temperature patterns and then affect precipitation and storms
• Evaluate environmental solutions using evidence, while considering tradeoffs+ Show more

Learning Objectives

• Identify and describe the major layers of Earth's atmosphere.
• Understand the composition and thermal profiles of atmospheric layers.
• Recognize the roles of ozone and greenhouse gases in climate regulation.+ Show more

Learning Objectives

• Explain how natural resources are transformed into synthetic materials.
• Describe how processing and composition influence material properties.
• Compare properties of natural and synthetic materials and consider environmental impacts.+ Show more

Learning Objectives

• Identify observable indicators of chemical reactions such as color change, gas production, precipitate formation, and temperature change.
• Interpret qualitative and quantitative data from different reactions to determine if a chemical change has occurred.
• Connect macroscopic evidence to particle rearrangement and formation of new substances with distinct properties.+ Show more

Learning Objectives

• Use net force to predict how the motion of a mechanical system changes (acceleration).
• Connect energy transfer (work, kinetic energy, losses) to observed motion outcomes.
• Analyze real systems by including friction, efficiency, and material limits in quantitative reasoning.

Learning Objectives

• Understand the basic principles of the particle theory of matter.
• Describe how particle arrangement and motion determine the properties of solids, liquids, and gases.
• Connect microscopic particle behaviour to observable traits such as rigidity, flow, and compressibility.+ Show more

Learning Objectives

• Explain how energy can change forms within a system during energy transformations.
• Use examples (bouncing balls, electric motors, and friction/heating) to identify potential, kinetic, electrical, and thermal energy.
• Describe how energy is transferred and redistributed even when motion changes.

Learning Objectives

• Explain how forces can change an object’s motion (starting, stopping, or changing direction).
• Describe how net force and its direction influence how motion changes over time.
• Use evidence from examples to connect force interactions to observable motion changes.

Learning Objectives

• Explain how energy transfer drives phase changes such as melting, freezing, evaporation, and condensation
• Describe how particle arrangement and particle motion change during phase changes
• Use real-life examples to distinguish between solid, liquid, and gas behaviors during phase changes

Learning Objectives

• Explain the particle model using constant motion and intermolecular forces (attractive and repulsive).
• Relate particle spacing and particle motion to the properties of solids, liquids, and gases.
• Use the particle model to predict how temperature affects diffusion and compressibility.

Learning Objectives

• Identify different forms of energy, including kinetic, potential, thermal, light, and electrical energy
• Explain how energy can transfer and transform in everyday situations
• Use evidence from observations (like a lit lamp or a warmed pan) to describe the type of energy involved

Learning Objectives

• Understand how energy is stored through the arrangement and interaction of objects at a distance.
• Identify and explain different types of potential energy: gravitational, elastic, and magnetic.
• Analyze how changes in objects' configurations alter stored energy and the energy available for use.+ Show more

Learning Objectives

• Define constant speed and understand its representation on distance-time graphs.
• Calculate average and instantaneous speed in different motion scenarios.
• Interpret changes in graph slopes as acceleration or deceleration.+ Show more

Learning Objectives

• Understand how force, motion, and energy interact within mechanical systems.
• Analyze real-world systems using concepts of net force, energy transfer, and motion outcomes.
• Apply quantitative reasoning to evaluate performance constraints like friction, material limits, and efficiency.

Learning Objectives

• Explain how the Sun provides energy and gravity provides force to drive the water cycle.
• Describe key processes of the water cycle, including evaporation, condensation, precipitation, runoff, and infiltration.
• Trace how water moves through Earth’s systems and how energy transfer relates to weather and climate.