Grade 8 Science Worksheets

Learning Objectives

• Identify the basic components of DNA and their functions.
• Understand how DNA sequences encode proteins.
• Explain the processes of transcription and translation.+ Show more

Learning Objectives

• Analyze patterns, frequency, and magnitude of natural hazards to inform forecasting.
• Interpret hazard data from instrumental records and historical observations.
• Evaluate techniques used in hazard mapping and risk assessment.+ Show more

Learning Objectives

• Explain how protected areas, restoration, and habitat corridors support ecosystem stability and biodiversity
• Describe how sustainable resource management and threat reduction (pollution and overharvesting) improve long-term conservation outcomes
• Use examples to compare species-specific recovery plans with landscape-level conservation strategies+ Show more

Learning Objectives

• Understand the basic ideas of the particle model
• Identify the different states of matter
• Explain how particles behave in solids, liquids, and gases+ Show more

Learning Objectives

• Understand the concept of conduction as a mode of heat transfer
• Identify examples of conduction in everyday life
• Explain how conduction differs from convection and radiation

Learning Objectives

• Identify different forms of energy
• Describe how energy is transferred and transformed
• Recognize examples of energy in daily life

Learning Objectives

• Explain how streams can be gaining or losing with respect to groundwater exchange.
• Describe how permeability, hydraulic gradients, and recharge zones influence exchange rates.
• Analyze how river stage and seasonal changes alter baseflow, spring discharge, and hyporheic flow.+ Show more

Learning Objectives

• Understand the causes of earthquakes and volcanic activity.
• Identify how seismic energy affects Earth's surface.
• Recognize the relationship between tectonic plate movements and surface changes.

Learning Objectives

• Use measures of center (mean, median, mode) and percent change to summarize data from real scientific contexts
• Calculate rates and interpret linear relationships using slope from graphs
• Estimate and discuss uncertainty when combining measurements and drawing conclusions from evidence

Learning Objectives

• Explain electromagnetic induction using changing magnetic flux and Faraday’s law ideas
• Describe how relative motion and coil design (number of turns, circuit load) affect induced voltage and current
• Connect induction to real-world electrical systems such as generators, transformers, and Alberta power production

Learning Objectives

• Explain how divergent, convergent (subduction), and transform plate motions reshape Earth’s surface.
• Describe how earthquakes, volcanism, uplift, faulting, and erosion are connected to plate boundaries.
• Use evidence from patterns of landforms and seismic activity to infer plate interactions.

Learning Objectives

• Explain how multiple organ systems coordinate to maintain homeostasis.
• Describe how hormones and nerves provide communication for systemic responses.
• Connect cell and tissue specialization to organ function in integrated systems.

Learning Objectives

• Understand how matter moves through ecosystems
• Identify processes such as decomposition, gas exchange, and nutrient transformation
• Explain how atoms cycle through living and nonliving components+ Show more

Learning Objectives

• Explain how forces can change an object’s motion, including starting, stopping, and changing direction
• Describe how net force determines acceleration and changes in velocity
• Apply force and motion ideas to real-world situations using scenarios and force comparisons

Learning Objectives

• Explain torque using force and lever arm and identify the axis of rotation
• Determine conditions for rotational equilibrium using net torque
• Connect net torque to angular acceleration using rotational inertia+ Show more

Learning Objectives

• Identify the main organelles within a cell and describe their functions.
• Explain how cell models help scientists understand structural and functional relationships.
• Describe processes like diffusion, osmosis, and membrane transport within cells.+ Show more

Learning Objectives

• Explain how models represent key features of a problem to support predictions before a final design exists.
• Differentiate between physical, graphical, and computational models and identify what each is best used for.
• Use evidence from a model to compare design options and refine predictions.

Learning Objectives

• Explain energy conservation using the idea of a system and its surroundings
• Describe how energy can change form during transfers while the total energy of the combined system stays constant
• Use examples (like a roller coaster) to predict where energy goes during motion

Learning Objectives

• Identify major forms of energy (kinetic, gravitational potential, elastic, thermal, chemical, and electrical) and describe how they store or transfer.
• Explain energy transformations using everyday examples such as swinging pendulums, batteries powering circuits, and heating due to friction.
• Use qualitative energy accounting and basic quantitative ideas to compare kinetic and potential energy in grade-appropriate ways.+ Show more

Learning Objectives

• Explain why scientific models are used to represent phenomena that are too small, too large, or too complex to observe directly
• Identify different types of scientific models and describe how each type helps scientists communicate ideas and organize information
• Describe how evidence affects a model’s usefulness and why models are revised when new observations disagree

Learning Objectives

• Explain how cell structure relates to specific cell functions (cell specialization).
• Identify examples of specialized cells and describe the adaptations that support their roles.
• Use evidence from a text to determine the main idea and evaluate statements about specialized cells.

Learning Objectives

• Identify different atoms in simple molecules.
• Understand how atoms bond to form molecules such as water and carbon dioxide.
• Represent molecules using particle models and symbolic formulas.+ Show more

Learning Objectives

• Identify the relative positions and motions of Earth, Sun, and Moon.
• Understand the cyclic phenomena such as lunar phases, eclipses, and seasons.
• Explain the significance of axial tilt and orbital geometry in observable sky patterns.+ Show more

Learning Objectives

• Explain how particle-level diagrams represent atoms and molecules as discrete units during chemical reactions.
• Use particle diagrams to show how reactants break apart and recombine to form products while preserving identity and count of atoms.
• Connect microscopic particle rearrangements to macroscopic observations such as mass conservation and changes in properties.

Learning Objectives

• Differentiate weather from climate using short-term and long-term atmospheric patterns
• Explain how air masses, fronts, and pressure systems contribute to precipitation and storms
• Describe how temperature, humidity, and pressure variability create measurable weather events+ Show more

Learning Objectives

• Understand how to recognize patterns and trends in temperature data.
• Learn to interpret data variations and outliers.
• Differentiate between correlation and causation in data analysis.+ Show more

Learning Objectives

• Understand the difference between mixtures and chemical changes.
• Identify different types of mixtures such as solutions, suspensions, and colloids.
• Describe how particles behave in various mixtures.+ Show more

Learning Objectives

• Describe how energy transferred affects the temperature and particle kinetic energy of different materials.
• Explain the concept of specific heat capacity and how it influences temperature change during heat transfer.
• Analyze how different materials with varying heat capacities respond to identical energy inputs.+ Show more

Learning Objectives

• Explain how reproductive isolation leads to speciation over time.
• Describe how geographic barriers, habitat changes, and behavioral differences can reduce interbreeding.
• Use natural selection and genetic variation to predict how traits may persist in separated populations.

Learning Objectives

• Explain how igneous, sedimentary, and metamorphic rocks can change into one another through the rock cycle.
• Describe how weathering, erosion, deposition, heat, and pressure drive Earth material changes.
• Connect the rock cycle to plate tectonics and long-term changes in Earth systems.

Learning Objectives

• Understand the difference between weather and climate
• Identify factors that influence weather patterns
• Describe short-term atmospheric conditions+ Show more

Learning Objectives

• Identify the roles of sources, conductors, loads, and control elements in an electric circuit
• Use schematic symbols to interpret how components are connected in simple circuits
• Explain how circuit continuity changes when a switch is open or closed+ Show more

Learning Objectives

• Understand how force and displacement relate to work input in mechanical systems.
• Apply the work–energy theorem to calculate changes in kinetic and potential energies.
• Calculate work done in scenarios involving constant and variable forces.+ Show more

Learning Objectives

• Understand the principle of mass conservation in chemical reactions
• Learn how atoms are conserved during reactions at the particulate level
• Identify real-world examples of mass conservation, such as sealed container reactions and combustion+ Show more

Learning Objectives

• Analyze how population growth influences resource consumption and environmental change
• Evaluate evidence linking demographic trends to climate, water, and biodiversity shifts
• Interpret data and cause-and-effect reasoning in environmental studies

Learning Objectives

• Identify human actions that change habitats and affect biodiversity
• Summarize the main idea of a science passage using evidence
• Explain how habitat alteration can change population sizes and ecosystem functions

Learning Objectives

• Identify a scientific claim and the evidence that supports it.
• Use claim–evidence–reasoning language to explain observations.

Learning Objectives

• Identify the main parts of a cell and describe what each part generally does.
• Explain how cell membranes and internal compartments help cells maintain homeostasis.
• Use key details from a reading passage to answer science questions.

Learning Objectives

• Explain heat transfer by conduction using evidence from temperature changes.
• Identify the main idea and supporting details about how conduction works in materials.
• Distinguish conduction from other ways energy can move (based on temperature changes).+ Show more

Learning Objectives

• Identify key material properties that affect performance in real applications.
• Match material choices to needs such as insulation, durability, or separation.
• Explain trade-offs among conductivity, density, reactivity, and energy behavior.

Learning Objectives

• Explain what an atom is and identify key parts used in simple atomic models.
• Distinguish elements from compounds using representative examples.
• Interpret basic formula notation such as H, O, Na, and NaCl in terms of particles.

Learning Objectives

• Identify the aims of hypothesis-driven, descriptive, and correlational inquiry models.
• Explain how each model supports different types of scientific explanations.

Learning Objectives

• Interpret the slope of a velocity-time graph as acceleration.
• Read and explain velocity values and changes from a velocity-time graph.
• Use rate ideas from graphs to make predictions and justify reasoning.

Learning Objectives

• Explain how a distance–time graph shows speed during uniform motion.
• Interpret slope as the rate of change of distance with time.
• Use graph features to estimate displacement from distance–time information.

Learning Objectives

• Describe what makes a homogeneous mixture uniform at the macroscopic scale
• Distinguish homogeneous mixtures from heterogeneous mixtures using observable evidence
• Explain how concentration and solubility relate to forming and measuring solutions

Learning Objectives

• Identify the main idea of how circular motion changes direction
• Explain how centripetal force, radius, and mass relate to the needed inward force
• Describe what happens when inward force is not sufficient for a curve

Learning Objectives

• Define a closed system in terms of matter exchange
• Identify examples of what can change and what stays the same in a closed system
• Use mass conservation ideas to interpret reactants and products in a contained process

Learning Objectives

• Define voltage as electric potential difference and relate it to energy per unit charge.
• Explain how voltage influences electric current using the ideas of energy, charge, and resistance.
• Identify common voltage sources and understand the role of reference points in circuit analysis.