Science Worksheets

Learning Objectives

• Explain how different biodiversity management strategies (protected areas, restoration, corridors, and invasive species control) can affect ecosystem services.
• Evaluate trade-offs among ecological, economic, and social constraints when planning biodiversity solutions.
• Use evidence from case examples to predict likely outcomes for species persistence and ecosystem functions.

Learning Objectives

• Explain how energy and matter are transformed during photosynthesis and cellular respiration
• Describe how cells convert chemical energy in food into ATP for cellular work
• Compare energy use in active versus resting tissues and relate it to metabolism

Learning Objectives

• Explain how principles such as superposition, original horizontality, and cross-cutting relationships can be used for relative dating of rock strata
• Identify how fossils, unconformities, and intrusive contacts help geologists correlate layers and establish relative ages
• Construct a logical sequence of tectonic, depositional, and erosional events using stratigraphic evidence

Learning Objectives

• Explain how concentration differences relate to diffusion.
• Describe osmosis across a selectively permeable boundary.
• Identify the sequence from cells to organ systems.+ Show more

Learning Objectives

• Compare historical explanations of sight using scientific evidence.
• Explain how reflected light allows ordinary objects to be seen.
• Evaluate the beam model using observations in different media.+ Show more

Learning Objectives

• Develop a testable prediction about changes in stream turbidity
• Identify safe procedures for investigating environmental chemistry questions
• Interpret turbidity observations and explain sources of uncertainty+ Show more

Learning Objectives

• Explain how applied force and surface area determine pressure
• Compare the compressibility of gases and liquids using particle spacing
• Describe how valves control fluid direction in simple pumps+ Show more

Learning Objectives

• Summarize environmental measurements using descriptive statistics.
• Compare bar graphs, line graphs, and scatter plots.
• Interpret scientific observations without overstating conclusions.+ Show more

Learning Objectives

• Explain how inherited variation can influence survival and reproduction.
• Describe an organism's ecological niche using resource needs and environmental conditions.
• Compare mutualism, commensalism, and parasitism using species interactions.+ Show more

Learning Objectives

• Identify plant products and explain their uses in meeting human needs.
• Compare natural land with managed land used for plant production.
• Interpret crop yield and resource use when evaluating farming practices.+ Show more

Learning Objectives

• Distinguish experimental evidence from theoretical atomic models.
• Explain how atomic number determines an element's identity.
• Describe the relationship between neutral atoms, protons, and electrons.+ Show more

Learning Objectives

• Calculate electrical power from voltage and current measurements.
• Determine energy transferred using power and operating time.
• Convert operating time into seconds for energy calculations.+ Show more

Learning Objectives

• Compare frame and shell structures by form and function
• Explain how material properties influence structural performance
• Identify potential failure points in structural designs+ Show more

Learning Objectives

• Explain why structures need safety margins under uncertain conditions.
• Compare how shape and bracing improve structural stability.
• Describe how connections transfer forces between structural parts.+ Show more

Learning Objectives

• Describe how materials and shapes affect structural strength.
• Develop testable predictions about model-bridge performance.
• Identify variables and hazards in structural investigations.+ Show more

Learning Objectives

• Identify human activities that change forest habitats and landscapes.
• Explain how habitat fragmentation affects wildlife movement and connectivity.
• Describe how pollution and invasive species affect forest ecosystems.+ Show more

Learning Objectives

• Explain how biological investigations improve understanding of body functions.
• Distinguish scientific findings from broader health claims.
• Identify factors that may influence breathing-rate measurements.+ Show more

Learning Objectives

• Develop testable predictions about light and optical systems
• Identify variables to keep constant during a fair investigation
• Interpret observations recorded in tables and graphs+ Show more

Learning Objectives

• Identify tectonic plates and describe their role in crustal change.
• Compare folding and faulting by explaining their effects on rock layers.
• Explain how crustal movement contributes to earthquakes and volcanoes.+ Show more

Learning Objectives

• Identify observable evidence that may indicate a chemical reaction
• Explain how temperature, concentration, and surface area affect reaction rates
• Design fair tests using controlled variables and consistent measurements+ Show more

Learning Objectives

• Explain how streams erode, transport, and deposit sediment.
• Describe how waves, tides, and glaciers reshape Earth's surface.
• Interpret drainage patterns and ocean basins as geological evidence.+ Show more

Learning Objectives

• Identify energy sources used in common heating technologies.
• Interpret source-to-use diagrams showing energy pathways.
• Explain how thermostats regulate heating systems.+ Show more

Learning Objectives

• Compare environmental interventions using scientific evidence and community observations
• Identify intended benefits and unintended consequences of waste-reduction proposals
• Explain how consistent methods improve comparisons of environmental observations+ Show more

Learning Objectives

• Explain how amount, chemical form, and context affect substance harm.
• Describe how uptake and elimination influence substance retention.
• Interpret dilution models to compare environmental concentrations.+ Show more

Learning Objectives

• Develop testable predictions about biological diversity.
• Plan safe investigations with consistent sampling procedures.
• Interpret biodiversity observations and identify uncertainty.+ Show more

Learning Objectives

• Compare freshwater and saltwater systems using recorded observations.
• Develop testable predictions for water-system investigations.
• Describe safe methods for comparing water clarity.+ Show more

Learning Objectives

• Compare heating sources by resource needs, safety, and environmental effects
• Explain how insulation and lids reduce unwanted heat loss
• Identify variables needed for a fair heating comparison+ Show more

Learning Objectives

• Compare how sexual and asexual reproduction transmit genetic information.
• Distinguish inherited characteristics from environmentally influenced differences.
• Explain discrete and continuous variation using biological examples.+ Show more

Learning Objectives

• Develop testable predictions about how materials mix or flow
• Identify controlled variables in a fair scientific investigation
• Interpret tabulated observations to explain patterns and variation+ Show more

Learning Objectives

• Distinguish pure substances, mixtures, and solutions using particle models
• Identify solutes and solvents in common solutions
• Explain concentration changes when solution volume increases+ Show more

Learning Objectives

• Develop testable predictions for electrical circuit investigations.
• Identify variables and hazards in a safe circuit test.
• Interpret electrical measurements while considering uncertainty.+ Show more

Learning Objectives

• Distinguish reflection, transmission, and absorption in different materials
• Calculate reflection angles using the law of reflection
• Interpret ray diagrams to explain light direction+ Show more

Learning Objectives

• Compare domestic, agricultural, and industrial water uses
• Explain how human activities can affect water flow and quality
• Distinguish pollution prevention from treatment of contaminated water+ Show more

Learning Objectives

• Identify applied loads using force arrows in structural examples.
• Distinguish tension, compression, shear, and bending.
• Explain how mass distribution affects structural stability.+ Show more

Learning Objectives

• Develop testable predictions about environmental questions and design problems
• Compare litter observations collected consistently across sites and dates
• Explain how uncertainty and alternative interpretations affect conclusions+ Show more

Learning Objectives

• Explain how the respiratory and circulatory systems deliver oxygen to cells
• Describe how absorbed nutrients travel from the digestive system to cells
• Compare the roles of the lungs and kidneys in waste removal+ Show more

Learning Objectives

• Explain how corrective lenses improve focus for some vision problems.
• Distinguish optical image formation from digital recording and transmission.
• Identify factors that affect digital image quality and detail.+ Show more

Learning Objectives

• Compare rocks and minerals using observable properties and consistent tests
• Explain how hardness, lustre, streak, and texture support mineral identification
• Describe the evidence and limitations provided by drilling operations+ Show more

Learning Objectives

• Develop testable predictions about questions in space exploration
• Plan safe investigations using appropriate observations and measurements
• Interpret sensor data while identifying uncertainty and alternative explanations+ Show more

Learning Objectives

• Identify igneous, sedimentary, and metamorphic rocks by how they form
• Differentiate weathering, erosion, and deposition using geological examples
• Explain possible pathways through the rock cycle+ Show more

Learning Objectives

• Describe how specialized cells form tissues, organs, and systems
• Develop testable questions and predictions about plant growth
• Identify safe procedures and consistent conditions for investigations+ Show more

Learning Objectives

• Calculate density using mass, volume and appropriate units.
• Compare liquid viscosity under controlled investigation conditions.
• Explain how temperature can affect the flow of liquids.+ Show more

Learning Objectives

• Compare the distribution of water across Earth's major reservoirs.
• Distinguish dissolved substances from suspended materials in water samples.
• Explain why clear-looking water may still be unsafe to drink.+ Show more

Learning Objectives

• Explain how a converging lens forms a real image.
• Interpret how lens arrangements affect image position and size.
• Compare how the human eye and a camera focus light.+ Show more

Learning Objectives

• Explain how spacecraft manage pressure, temperature, and radiation hazards
• Describe how life-support systems manage air and water resources
• Compare documented space technologies with speculative design possibilities+ Show more

Learning Objectives

• Compare force ratios and speed ratios in simple machines.
• Calculate work input and useful output work in joules.
• Determine machine efficiency from input and output work.+ Show more

Learning Objectives

• Compare how air, water, and soil transport or retain substances.
• Distinguish biodegradation from toxicity using scientific evidence.
• Explain what an LD50 value measures under specified conditions.+ Show more

Learning Objectives

• Identify practical benefits of space projects for people and communities
• Describe Canadian contributions through the Canadarm and Canadarm2
• Compare space project benefits, costs, and alternative approaches+ Show more