Science Worksheets

Learning Objectives

• Explain how different pollutants change ecosystem chemistry and disrupt nutrient cycles.
• Describe how excess nutrients can lead to eutrophication, algal blooms, and oxygen loss in aquatic systems.
• Connect contaminant pathways and bioaccumulation to health effects in organisms and food webs.+ Show more

Learning Objectives

• Read solubility curves to determine the solubility (g per 100 g of water) at different temperatures.
• Identify unsaturated, saturated, and supersaturated regions on solubility graphs.
• Explain how temperature affects solubility using particle-level interactions.

Learning Objectives

• Explain how scientific knowledge and technological capacity shape decisions about environmental and social outcomes in real regional contexts.
• Evaluate trade-offs in STSE scenarios using criteria such as environmental impact, economic drivers, and social values.
• Use historical and current policy/regulatory examples to support claims about responsible science and technology choices.

Learning Objectives

• Explain how producers, consumers, and decomposers are connected in a food web.
• Describe how energy flows through multiple pathways in a food web.
• Evaluate how species changes can cascade through a food web and affect ecosystem stability.+ Show more

Learning Objectives

• Define kinetic energy and potential energy using everyday examples.
• Explain how height and motion relate to stored energy and moving energy.
• Describe energy transfer between objects in a system using qualitative reasoning.

Learning Objectives

• Explain how habitat protection, restoration, and species management reduce human impacts on ecosystems
• Use ideas from food webs, population dynamics, and abiotic factors to predict the effects of conservation actions
• Describe how monitoring and adaptive policies help conservation strategies improve over time

Learning Objectives

• Explain how cells become tissues, tissues become organs, and organs work together in multicellular organisms.
• Identify how different tissue types (epithelial, muscle, nervous) support specific body functions.
• Describe how division of labor and cell specialization improve coordinated responses in the body.

Learning Objectives

• Explain how enthalpy change (ΔH) relates to exothermic and endothermic reactions
• Calculate reaction enthalpy using standard enthalpies of formation (ΔH°f) and stoichiometry
• Interpret how changing amounts of reactants affects energy per mole and process heat management+ Show more

Learning Objectives

• Explain how meiosis reduces chromosome number from diploid (2n) to haploid (n).
• Describe how crossing over and independent assortment create genetic variation in gametes.
• Connect heritable genetic variation to natural selection and evolutionary change in populations.

Learning Objectives

• Explain how sensors, control centers, and effectors create feedback loops to maintain homeostasis.
• Differentiate negative feedback from positive feedback and predict the direction of change in each.
• Analyze how neural and hormonal signals contribute to regulating temperature, blood chemistry, and water balance.+ Show more

Learning Objectives

• Explain how magma composition influences volcanic landforms (shield volcanoes vs. stratovolcanoes and deposits).
• Describe how eruption style affects what materials volcanoes produce (lava flows vs. pyroclastic deposits).
• Compare volcanic features formed at different tectonic settings, including subduction zones and hotspots.+ Show more

Learning Objectives

• Explain how comparing a substance’s properties before and after an interaction can indicate what changed.
• Identify evidence that a new substance formed versus a physical change without forming a new substance.
• Use property clues (color change, gas, solid, new material) to reason about chemical vs. physical changes.

Learning Objectives

• Explain trophic efficiency and how energy transfer between trophic levels is constrained by metabolic losses and heat dissipation.
• Use trophic efficiency to predict how energy availability affects biomass pyramids and the maximum number of trophic levels in an ecosystem.
• Analyze how differences in trophic efficiency among ecosystems can shape food web structure and predator abundance.

Learning Objectives

• Explain how ventilation, diffusion, and gas transport work together to achieve oxygen uptake and carbon dioxide removal.
• Describe ventilation–perfusion matching and why it improves respiratory efficiency.
• Interpret how neural and chemical chemoreceptors regulate breathing in response to CO2, O2, and blood pH.+ Show more

Learning Objectives

• Classify chemical reactions into synthesis, decomposition, single displacement, double displacement, combustion, redox, and acid–base categories.
• Predict products and balance equations by applying typical reaction patterns and conservation of atoms.
• Connect reaction types to real-world contexts, including combustion emissions and acid–base neutralization in mining.+ Show more

Learning Objectives

• Explain how environmental monitoring networks are designed using representative sampling and appropriate sensor placement.
• Select indicators and justify temporal and spatial resolution for detecting long-term environmental trends.
• Apply quality assurance ideas to improve reliability and interpret results in the presence of spatial heterogeneity and human (anthropogenic) sources.

Learning Objectives

• Explain how immune responses help maintain homeostasis during infection and tissue damage.
• Describe how inflammation and fever involve coordinated signaling across immune cells, the nervous system, and endocrine mediators.
• Evaluate how chronic immune activation can disrupt physiological set points and affect long-term health.

Learning Objectives

• Explain the main processes that lead to fossil formation, including mineralization, compression, and imprint preservation.
• Describe how fossil distributions and stratigraphic succession provide evidence for environmental change and the relative sequence of life forms.
• Compare relative dating and radiometric (absolute) dating and interpret what each method contributes to geological time.

Learning Objectives

• Explain conservation of mass in a closed system using the idea that atoms are conserved during physical and chemical changes
• Predict whether measured mass before and after a reaction will be equal in a sealed container and justify the prediction
• Describe how reactants and products relate to mass in observable sealed-container situations

Learning Objectives

• Explain how food availability and breeding needs can drive migration patterns.
• Identify timing cues and energetic demands that influence when animals migrate.
• Describe how migratory connectivity links ecosystems across habitats and provinces.

Learning Objectives

• Identify the limiting reagent using balanced chemical equations and stoichiometric mole ratios
• Calculate theoretical yield from the limiting reagent and the balanced equation
• Determine percent yield using theoretical and actual yields and explain common sources of yield loss

Learning Objectives

• Explain how positive feedback amplifies an initial change in a biological system.
• Identify real-world examples of positive feedback in human physiology and other processes.
• Compare positive feedback with negative feedback in terms of direction and outcome.+ Show more

Learning Objectives

• Explain how electron arrangement and valence electron distribution determine molecular polarity.
• Use electron-density ideas to predict dipole moments and whether bond dipoles cancel.
• Relate molecular polarity to intermolecular interactions and real-world separation processes.

Learning Objectives

• Compare mutualism, commensalism, and parasitism based on how both species are affected.
• Use ecological examples to explain how symbiosis influences population sizes and community structure.
• Describe how adaptations and coevolution can develop in species that interact over time.

Learning Objectives

• Explain how force magnitude and contact time affect changes in motion during collisions
• Describe impulse as the effect of force over time and relate it to observable outcomes
• Connect structural deformation to energy absorption and force-time patterns in real scenarios

Learning Objectives

• Explain how physiological regulation maintains internal stability using sensors, control centers, and effectors.
• Distinguish negative feedback from positive feedback and predict their overall effects on body variables.
• Apply the regulatory logic to real physiological examples such as glucose control and blood pressure reflexes.

Learning Objectives

• Explain how current and conductor resistance contribute to power (energy) loss during electrical transmission.
• Describe how increasing transmission voltage helps reduce current and resistive losses over long distances.
• Evaluate trade-offs in transmission infrastructure, including insulation, transformer use, and grid reliability.

Learning Objectives

• Explain the difference between primary and secondary ecological succession after disturbance or colonization.
• Identify how species turnover and changing resource availability drive changes in community composition over time.
• Use cause-and-effect reasoning to describe feedbacks that influence habitat conditions and ecosystem stability.+ Show more

Learning Objectives

• Interpret pedigree patterns to infer likely modes of inheritance (autosomal dominant, autosomal recessive, and X-linked).
• Estimate genotype probabilities for individuals in a pedigree using allele-based reasoning.
• Predict recurrence risks by linking phenotypes, meiosis, and inheritance rules.

Learning Objectives

• Explain how enzyme kinetics influence cellular metabolism and metabolic flux
• Describe feedback inhibition and how regulatory motifs balance energy production and biosynthesis
• Evaluate how compartmentalization and environmental conditions affect enzyme activity in Alberta species+ Show more

Learning Objectives

• Explain projectile motion using independent horizontal and vertical components under gravity
• Apply kinematics relationships to determine time of flight, range, and maximum height
• Interpret and evaluate statements about projectile motion concepts and assumptions

Learning Objectives

• Explain how different energy technologies convert energy into usable electricity or mechanical power
• Evaluate energy technologies using efficiency, renewability, lifecycle emissions, and waste considerations
• Use energy return on investment (EROI) and related metrics to compare technologies for specific applications+ Show more

Learning Objectives

• Explain what percent yield means and why it is used to evaluate chemical processes
• Calculate theoretical yield and percent yield using balanced equations and stoichiometry
• Determine the limiting reagent and describe how side reactions and losses reduce actual yield

Learning Objectives

• Evaluate scientific claims by analyzing evidence quality and study methods.
• Distinguish correlation from causation and identify logical gaps or fallacies.
• Consider alternative explanations and confounding variables when interpreting data.+ Show more

Learning Objectives

• Explain power as the rate of energy transfer or the rate of doing work
• Use time and energy information to compare power in different situations
• Interpret real-world examples (such as appliances and motors) using rate reasoning

Learning Objectives

• Explain how impulse links force and time to the change in momentum, using the relationship J = FΔt
• Determine the direction of momentum change by analyzing whether the net impulse acts in the same or opposite direction as motion
• Apply impulse concepts to predict how changing stopping time affects peak force in real safety scenarios

Learning Objectives

• Explain Newton’s Third Law using the idea of action–reaction pairs that act on different objects
• Identify forces in a scenario and determine the direction and relative size of the matching third-law force
• Predict how force pairs affect the motion of each object involved+ Show more

Learning Objectives

• Interpret position, velocity, and acceleration graphs by relating slopes and areas to physical quantities.
• Use kinematic graph features to estimate instantaneous and average velocity and acceleration.
• Connect graphical trends to qualitative force and motion scenarios, including uphill/downhill vehicle motion.

Learning Objectives

• Explain how percent efficiency, EROI, COP, and LCOE quantify different kinds of energy or system performance.
• Interpret efficiency metrics by identifying assumptions, boundaries, and time scales used in the calculations.
• Compare technologies by using multiple metrics and accounting for trade-offs such as emissions, land use, and reserve requirements.

Learning Objectives

• Model how seafloor spreading and subduction zones drive changes in Earth’s surface and seafloor features.
• Explain how volcanic arc systems and mountain belt uplift result from crustal deformation and faulting.
• Use evidence such as seafloor magnetic anomaly patterns and geologic cross-sections to support plate tectonics.

Learning Objectives

• Explain how seismic energy is released during earthquakes along faults.
• Describe how magma movement leads to volcanic eruptions near plate boundaries.
• Identify ways the locations of earthquakes and volcanoes can indicate tectonic hazards.

Learning Objectives

• Identify major eukaryotic cell organelles (nucleus, mitochondria, chloroplasts, and cell membrane) and describe their primary functions.
• Explain how organelle specialization supports cell survival and contributes to tissue and organ performance in multicellular organisms.
• Connect cellular energy capture in producers (photosynthesis) versus consumers (cellular respiration) to larger-scale ecological interactions.

Learning Objectives

• Identify independent, dependent, and controlled variables in investigation scenarios.
• Select appropriate controls to design fair tests and improve reproducibility.
• Explain how procedural and instrumentation constraints affect measurement and documentation.

Learning Objectives

• Explain how the rock cycle preserves evidence of Earth’s past surface changes in rocks and fossils.
• Use sedimentary stratigraphy, index fossils, and radiometric decay to determine relative and absolute ages.
• Interpret depositional environments, climates, and tectonic settings from rock and fossil assemblages.

Learning Objectives

• Explain how radioactive decay is used to estimate absolute geologic time from rock samples.
• Use the concept of half-life to interpret how the fraction of parent isotopes changes over time.
• Identify key assumptions (starting conditions and closed-system behavior) that affect the reliability of radiometric dates.+ Show more

Learning Objectives

• Explain how freshwater reservoirs and watersheds influence water availability using key hydrologic ideas.
• Describe how groundwater moves through aquifers and how porosity and permeability affect flow and recharge.
• Connect soil formation and mineral deposits to Earth processes and depositional or igneous settings.+ Show more

Learning Objectives

• Identify producers, consumers, and decomposers and describe what each role does in a food chain
• Determine trophic levels (primary, secondary, tertiary) and explain how energy transfers between levels
• Compare linear food chains with networked food webs and explain why energy loss affects population size and stability

Learning Objectives

• Explain Newton’s three laws using force–motion relationships and real-world examples.
• Use Newton’s laws to predict and justify how changes in force affect acceleration and motion.
• Apply action–reaction reasoning to systems involving recoil and anchoring loads.+ Show more