Science Worksheets

Learning Objectives

• Calculate average speed for trips with multiple motion segments using total distance and total time
• Use proportional reasoning to connect segment distance, segment time, and overall trip averages
• Explain why slower segments can reduce average speed more than faster segments increase it+ Show more

Learning Objectives

• Explain how Le Chatelier’s principle predicts shifts in chemical equilibrium when concentrations, pressure, or temperature change.
• Identify how gas-phase mole ratios and pressure changes affect equilibrium direction.
• Distinguish the effects of temperature changes on equilibrium constants and the role of reaction enthalpy.+ Show more

Learning Objectives

• Explain what tension is and how it transmits force along a connector such as a rope or string.
• Describe the normal force as a contact force perpendicular to a surface and relate it to components of weight.
• Use free-body representations to predict how forces affect acceleration on inclines and in connected systems.

Learning Objectives

• Explain how the fossil record preserves evidence of organisms over geological time
• Use stratigraphic context and radiometric dating concepts to place fossils in temporal order
• Differentiate between gradual change and abrupt change in evolutionary lineages using fossil evidence+ Show more

Learning Objectives

• Explain how gene expression converts DNA information into functional proteins through transcription and translation.
• Describe how gene regulation (promoters, enhancers, transcription factors, and epigenetic modifications) affects when and where genes are expressed.
• Analyze how regulatory networks create tissue specificity and temporal patterns of protein production.+ Show more

Learning Objectives

• Describe how energy moves and changes form in real systems (combustion, buildings, and photovoltaic generation).
• Apply the laws of thermodynamics to explain conservation of energy and why useful energy decreases in transformations.
• Evaluate efficiency using energy accounting (useful output vs. total input) and relate losses to environmental impacts.

Learning Objectives

• Identify how water, ice, wind, and vegetation contribute to weathering and erosion.
• Match specific weathering agents to the landforms they commonly create.
• Compare relative rates of sediment transport and landscape change in different conditions.

Learning Objectives

• Explain how reproductive isolation leads to the formation of distinct species
• Compare allopatric and sympatric speciation based on how gene flow is reduced
• Describe how genetic divergence accumulates through selection, drift, and mutation+ Show more

Learning Objectives

• Explain how crossing over during prophase I creates new allele combinations during meiosis.
• Describe how independent assortment during metaphase I contributes to genetic variation.
• Model the relationship between chiasmata formation, spindle dynamics, and accurate chromosome segregation.

Learning Objectives

• Explain how reproductive isolation leads to speciation through genetic divergence.
• Compare allopatric and sympatric speciation and identify likely causes of each.
• Differentiate prezygotic and postzygotic barriers and predict their effects on gene flow.+ Show more

Learning Objectives

• Explain how introduced species become invasive and describe the steps involved (establish, spread, outcompete).
• Identify ecological traits and missing predators that can make invasive species successful.
• Describe multiple ecosystem impacts of invasions, including changes to biodiversity, nutrient cycling, and habitat structure.+ Show more

Learning Objectives

• Explain how reproductive isolation prevents gene flow and leads to distinct lineages over time.
• Differentiate allopatric, sympatric, and peripatric speciation using examples and key barriers.
• Analyze how genetic incompatibilities, behavior, and ecological specialization help maintain species boundaries.

Learning Objectives

• Explain wave behavior using wavelength, frequency, amplitude, and speed for mechanical and electromagnetic waves
• Apply the wave relationships (v = λf and T = 1/f) to predict wave propagation
• Analyze how interference, refraction, and boundary conditions affect observable wave behavior+ Show more

Learning Objectives

• Explain what the center of mass (CM) means as a weighted average of a system’s mass distribution
• Use conservation of momentum and Newton’s laws to predict center-of-mass motion in multi-body situations
• Apply CM ideas to simplify recoil, explosion, and multi-particle trajectory problems

Learning Objectives

• Explain how weathering produces sediments that can be transported by water, wind, ice, and gravity.
• Describe the processes of erosion, transport, and deposition and how they build sedimentary basins.
• Connect sediment compaction and diagenesis to the formation of sedimentary rocks and preserved environmental signals.+ Show more

Learning Objectives

• Distinguish between endothermic and exothermic reactions using enthalpy (ΔH) and energy flow.
• Explain how reaction enthalpy relates to bonds broken and bonds formed, including qualitative predictions of heat release/absorption.
• Calculate and interpret reaction enthalpy using standard enthalpies of formation and Hess’s law concepts.

Learning Objectives

• Explain how reversible reactions reach dynamic equilibrium when forward and reverse rates become equal.
• Predict how changes in concentration, pressure, and temperature affect equilibrium using Le Chatelier’s principle.
• Apply equilibrium concepts and expressions (Kc/Kp) to interpret or estimate relative concentrations.+ Show more

Learning Objectives

• Explain how genetic mutations arise from replication errors, chemical changes, and environmental mutagens
• Differentiate types of mutations (base substitutions, insertions, deletions, and structural chromosomal changes) and predict likely effects
• Describe how mutations contribute to genetic variation and evolution through selection pressures

Learning Objectives

• Explain radioactive decay using quantitative decay laws and half-life relationships.
• Solve basic nuclear calculation problems involving activity, decay chains, and energetics.
• Apply conservation of nucleon number and charge to balance nuclear reactions.+ Show more

Learning Objectives

• Explain how engineered solutions can be part of larger systems through matter, energy, and information flows
• Identify how changes in one system component can create unintended effects or feedback over time
• Evaluate design ideas using system boundaries, interactions, and system-level performance targets

Learning Objectives

• Explain redox processes using electron transfer and oxidation number changes.
• Balance redox half-reactions using conservation of mass and charge.
• Use electrochemical concepts to interpret real-world corrosion and battery reactions.

Learning Objectives

• Explain how habitat fragmentation from land use can change resources, edges, and species survival.
• Describe how land use can alter hydrology, soil conditions, and connectivity in an ecosystem.
• Use cause-and-effect reasoning to predict how fragmentation can isolate populations and affect biodiversity.

Learning Objectives

• Explain how mixture properties reflect the contributions of each component
• Identify evidence that components keep their own properties in a mixture
• Describe observable changes in mixtures without creating a new substance+ Show more

Learning Objectives

• Explain what criteria for success are and why they matter in science investigations and engineering design
• Identify measurable or observable targets that could be used to judge whether a solution works
• Use evidence and results to compare improvements against the same criteria over multiple trials

Learning Objectives

• Explain the meaning of enthalpy change (ΔH) and distinguish exothermic and endothermic reactions using sign conventions.
• Calculate or interpret reaction enthalpies using ideas behind Hess’s law and standard enthalpies of formation.
• Apply calorimetry and bond-energy/thermochemical reasoning to predict heat absorbed or released and its environmental relevance.

Learning Objectives

• Explain the major processes of the water cycle, including evaporation, condensation, and precipitation.
• Describe how gravity and the Sun drive movement of water through Earth’s systems.
• Use evidence to connect water cycle processes to weather, climate, and habitats.

Learning Objectives

• Explain how human activities can affect Earth systems (land, water, air, and living things).
• Describe solution strategies that reduce harmful impacts, such as reducing waste and preventing contamination.
• Apply cause-and-effect reasoning to predict how certain actions can lessen pollution and protect ecosystems.

Learning Objectives

• Calculate mechanical work using the relationship W = F d cos(θ) for forces applied at an angle.
• Differentiate work done by constant forces versus work done by variable forces.
• Model variable-force work using the area under a force–distance curve.

Learning Objectives

• Explain what eccentricity, axial tilt, and precession are and how each changes Earth’s insolation patterns.
• Describe how orbital variations can influence ice sheet growth and melting on tens to hundreds of thousands of years.
• Interpret statements and passages to connect astronomical forcing with glacial–interglacial climate cycles.

Learning Objectives

• Explain how igneous, sedimentary, and metamorphic rocks connect through rock-cycle processes.
• Identify surface and subsurface processes that transform rocks over geologic time.
• Use rock-cycle vocabulary (weathering, erosion, deposition, burial, heat/pressure, melting, crystallization).

Learning Objectives

• Explain how primary productivity, decomposition, and nutrient cycling control energy flow and ecosystem turnover
• Describe how biogeochemical cycles connect organisms to the atmosphere, hydrosphere, and lithosphere
• Analyze Alberta-specific examples (peatlands, boreal fire, and agricultural soils) and how they affect ecosystem productivity and resilience

Learning Objectives

• Explain how gravity and sideways motion combine to produce stable orbits
• Describe how mass, distance, and orbital speed are related in orbital motion
• Interpret observational evidence that supports predictable orbital trajectories

Learning Objectives

• Explain how tectonic plate motion relates to earthquakes, volcanoes, and mountain building
• Identify major types of plate boundaries and predict typical Earth-surface outcomes
• Use plate-motion ideas to interpret patterns of seismic activity across regions

Learning Objectives

• Explain how hydrothermal, placer (sedimentary sorting), and magmatic processes can form mineral deposits.
• Identify how host rock, depth, accessibility, and geological setting affect whether a deposit is economically viable.
• Describe how extraction methods and environmental considerations shape impacts before and after mining.

Learning Objectives

• Explain how nucleotide subunits form the DNA double helix and how base pairing creates specificity.
• Describe the roles of the sugar-phosphate backbone and antiparallel strands during replication.
• Connect DNA sequence changes (substitutions, insertions, deletions) to effects on genes and protein products.

Learning Objectives

• Classify chemical reactions by patterns such as synthesis, decomposition, displacement, combustion, and redox transformations.
• Predict product relationships and describe how oxidation states change for reaction types.
• Identify whether electron transfer or mainly bond rearrangement dominates using balanced equations and oxidation-state changes.+ Show more

Learning Objectives

• Explain how selective permeability of the phospholipid bilayer controls diffusion, osmosis, and transport rates.
• Differentiate passive transport processes (diffusion, osmosis, facilitated diffusion) from active transport using ATP and ion gradients.
• Describe how concentration gradients and membrane proteins (channels, carriers, pumps) determine the direction and energy cost of transport.+ Show more

Learning Objectives

• Explain what a limiting reagent is and how it determines the maximum amount of product that can form
• Use balanced chemical equations and mole ratios to identify the limiting reactant and predict theoretical yield
• Determine how to find the amount of excess reactant remaining after a reaction is limited

Learning Objectives

• Explain how trophic relationships transfer energy through trophic levels and limit food-chain length
• Describe how keystone species and trophic cascades can reshape community structure
• Connect biogeochemical cycles to nutrient availability and ecosystem productivity+ Show more

Learning Objectives

• Differentiate morphological, physiological, and behavioral adaptations and give accurate examples of each.
• Explain how natural selection sorts inherited variation to increase fitness in specific environments.
• Describe how trade-offs can make an adaptation beneficial in one context but harmful in another.

Learning Objectives

• Explain the major components of a petroleum system (source rock, thermal maturation, migration, reservoir, seal, and traps).
• Analyze how burial history, basin architecture, and reservoir properties influence hydrocarbon generation and accumulation.
• Evaluate concepts used to assess petroleum system risk, including timing and potential leakage pathways.

Learning Objectives

• Explain how limiting resources affect population size in an ecosystem
• Identify examples of limiting resources (nutrients, water, space) and describe their effects
• Use evidence from scenarios to predict how populations change when resources become scarce+ Show more

Learning Objectives

• Explain how thermal-driven circulation in Earth’s mantle can transport heat and redistribute material.
• Describe how upwelling, downwelling, and mantle plumes relate to plate motion and surface tectonics.
• Interpret how seismic tomography and gravity anomalies provide evidence for complex mantle flow patterns.+ Show more

Learning Objectives

• Explain how cellular respiration releases usable energy through glycolysis, the citric acid cycle, and oxidative phosphorylation.
• Describe how electrons move through an electron transport chain and how oxygen functions as the final electron acceptor.
• Use chemiosmosis to connect proton pumping, electrochemical gradients, and ATP synthase to ATP production.

Learning Objectives

• Explain the difference between design criteria and constraints in engineering solutions
• Identify how measurable requirements and constraints guide feasible design choices
• Use models and evidence to connect design features to expected performance+ Show more

Learning Objectives

• Identify major organelles and describe the roles they play in cell processes
• Explain how differences in organelle structure and abundance relate to cell function
• Connect organelle specialization to how tissues and organs perform their jobs

Learning Objectives

• Explain how vector decomposition resolves a vector into orthogonal components using perpendicular axes.
• Use trigonometric relationships to connect component magnitudes to the direction of a vector.
• Resolve velocity and acceleration into horizontal and vertical components to analyze 2D motion.+ Show more

Learning Objectives

• Explain how Aufbau, Pauli exclusion, and Hund’s rules determine electron configurations in atoms.
• Predict valence electrons and relate electron configuration to periodic trends and chemical behavior.
• Use oxidation state logic and bonding tendencies derived from electron configuration to interpret reactivity and physical properties.+ Show more