Science Worksheets

Learning Objectives

• Explain how genetic diversity within and among populations helps species adapt to changing conditions.
• Describe how mutation, gene flow, population size, and selective pressure shape genetic variation.
• Evaluate how low genetic diversity can increase vulnerability, including inbreeding depression.+ Show more

Learning Objectives

• Define ionic strength and explain how ion concentration and charge together influence ion activity
• Describe qualitatively how increasing ionic strength affects solubility and chemical equilibria in non-ideal solutions
• Apply ionic strength ideas to real contexts such as saline aquifers and oil-sands process waters in Alberta

Learning Objectives

• Explain how sunlight becomes chemical energy stored in plants and transferred to animals through food.
• Describe how energy moves through a food chain using the ideas of producers, consumers, and energy transfers.
• Use evidence from simple food-chain examples to distinguish between sources of energy and forms of matter involved in eating.

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 Hess cycles use conservation of enthalpy to connect overall reaction enthalpies to sums of step enthalpies
• Apply the enthalpy state-function idea to justify why the path taken by a reaction does not change ΔH
• Reconstruct reaction energetics from formation, atomization, and ionization steps to find difficult-to-measure quantities

Learning Objectives

• Explain how differential gene expression can create specialized cell types in multicellular organisms
• Describe how turning genes on or off affects protein production and cell function
• Analyze how timing and intensity of gene regulation influence developmental pathways+ Show more

Learning Objectives

• Explain what a design problem is by identifying the need, the goal, and the limits of a design
• Use evidence and measurable outcomes to describe how engineering designs are improved
• Distinguish between a broad idea and a clear problem statement with constraints

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

• 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

• Connect the ideal gas law with mole ratios from balanced equations to solve gas stoichiometry problems under different conditions.
• Use standard and nonstandard conditions to convert between gas volume, pressure, temperature, and amount of gas.
• Apply gas stoichiometry reasoning to Alberta-relevant energy and emissions contexts (e.g., natural gas processing and bitumen recovery).

Learning Objectives

• Explain how vascular and circulatory systems distribute nutrients, gases, and wastes between cells and organs
• Describe how structural features (vessels, valves, and capillary beds) support directional flow and efficient exchange
• Compare bulk flow and diffusion as mechanisms of transport in plants and animals+ Show more

Learning Objectives

• Explain how atoms and molecules form matter and how their arrangement affects properties.
• Describe how chemical reactions rearrange atoms by breaking and forming bonds while conserving atoms.
• Interpret simple chemical diagrams and use symbols/formulas to identify reactants and products.

Learning Objectives

• Explain how competition, predation, and mutualism affect population sizes and community composition.
• Describe how niches and resource use influence whether species coexist or face competitive exclusion.
• Use evidence from scenarios to identify interaction types and predict possible outcomes.

Learning Objectives

• Apply the principles of relative dating (superposition, original horizontality, lateral continuity, and cross-cutting relationships) to interpret rock sequences.
• Identify and explain how unconformities represent gaps in the geological record.
• Use fossil assemblages to correlate rock strata from different locations.

Learning Objectives

• Explain how birth rate, death rate, immigration, and emigration affect population growth patterns.
• Describe how intrinsic and extrinsic factors influence population change over time.
• Use population counts and basic demographic ideas to interpret growth, stability, and decline.

Learning Objectives

• Explain how changing the reference frame changes an observed speed using the ideas of relative motion and velocity addition/subtraction
• Apply proportional relationships between speed, distance, and time within a reference frame to predict outcomes (such as meeting or crossing times)
• Use relative motion reasoning to solve real-life word problems involving objects moving in the same or opposite directions

Learning Objectives

• Interpret chemical equations by identifying reactants, products, and the direction indicated by the arrow
• Use coefficients and state symbols to explain relative amounts and physical phases in reactions
• Apply ideas of conservation of atoms to check whether an equation is properly balanced+ Show more

Learning Objectives

• Identify physical and chemical properties used to select materials for specific applications
• Explain how chemical stability and corrosion resistance affect a material’s suitability
• Use property information (e.g., density, strength, melting point, solubility, reactivity) to justify material choices+ Show more

Learning Objectives

• Differentiate between unsaturated, saturated, and supersaturated solutions using solubility limits
• Explain dynamic equilibrium between dissolved ions and solid phases
• Predict how temperature changes and disturbances affect precipitation and dissolution

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 how detachment, transport, and deposition work together in erosion dynamics.
• Compare how water, ice, wind, and gravity drive landscape change.
• Analyze how climate, vegetation, and tectonic uplift influence erosion rates and sediment records.

Learning Objectives

• Explain how conservation of momentum and conservation of energy apply to isolated systems
• Distinguish elastic, inelastic, and perfectly inelastic collisions using conservation laws
• Set up and solve algebraic conservation equations for initial and final states

Learning Objectives

• Explain how homeostasis maintains internal conditions within narrow ranges despite external changes
• Describe how sensors, integrating centers, and effectors work together in feedback mechanisms
• Connect specific body systems (respiratory, circulatory, endocrine, renal, nervous) to maintaining stable internal conditions

Learning Objectives

• Use physical and chemical properties to predict whether a substance is likely to react in a given situation.
• Identify evidence of chemical change (new substances formed) and relate it to energy changes.
• Apply property trends such as reactivity with oxygen, acid–base behavior, flammability, and solubility to anticipate products.

Learning Objectives

• Explain uniform circular motion using centripetal acceleration and centripetal force.
• Use angular velocity and period relationships (ω, T) to analyze rotational motion.
• Distinguish centripetal (radial) and tangential acceleration in uniform vs. non-uniform rotation.+ Show more

Learning Objectives

• Explain how molecular markers are used to estimate genetic diversity, inbreeding, effective population size, and gene flow in fragmented populations.
• Interpret genetic metrics (e.g., heterozygosity and genetic structure) to assess demographic and long-term extinction risk.
• Justify conservation planning decisions such as habitat corridors and translocations using conservation genetics evidence.

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 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

• Compare prokaryotic and eukaryotic cell structures, focusing on organelles, nucleus, and chromosome type.
• Explain how differences in cell organization affect cell size, complexity, and metabolic capabilities.
• Use evidence from cell structure to model how evolutionary pressures can shape cellular complexity.

Learning Objectives

• Describe the biological organization hierarchy from molecules to organisms
• Explain emergent properties and why higher levels can function differently than lower levels
• Use examples to connect tissue coordination, organ function, and whole-organism outcomes

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

• Classify chemical reactions as synthesis, decomposition, single displacement, double displacement, acid–base neutralization, or combustion
• Use particle-level reasoning to explain how atoms are conserved during reaction type changes
• Predict the general product type for common reaction patterns using balanced chemical ideas

Learning Objectives

• Explain how evidence is used to choose the best fit solution based on agreed-upon criteria for success.
• Describe tradeoffs by connecting improvements in one criterion to possible effects on another criterion.
• Acknowledge constraints (such as material limits and rules) and explain how they shape a design choice.

Learning Objectives

• Explain how balanced chemical equations and mole ratios connect reactant amounts to product amounts.
• Use molar mass to convert between mass (grams) and amount of substance (moles).
• Apply conservation of mass reasoning to interpret why atoms are conserved in chemical reactions.

Learning Objectives

• Differentiate energy transfer modes (work, thermal transfer, and radiation) and identify the evidence each leaves behind.
• Use basic relationships between energy transfer and observable effects such as temperature change or motion change.
• Distinguish energy stored in a system from energy transferred into or out of a system.

Learning Objectives

• Identify and describe major types of biotic interactions (predation, competition, mutualism, commensalism, parasitism).
• Explain how changes to one species can affect other species and community structure.
• Use evidence from scenarios to determine the type and direction of benefit or harm in an interaction.

Learning Objectives

• Identify observable inherited traits in plants and animals and describe how they pass from parents to offspring.
• Use evidence from multiple generations to explain why offspring resemble their parents.
• Distinguish between shared traits in a group and differences between individual organisms.

Learning Objectives

• Explain Newton’s second law using net force, mass, and acceleration
• Predict the direction and magnitude of acceleration from unbalanced forces
• Apply vector ideas to describe how multiple forces combine to produce net acceleration

Learning Objectives

• Explain how energy changes form in real systems while conserving total energy
• Describe efficiency and why some energy becomes less useful as thermal energy during conversions
• Identify examples of energy conversion systems such as generators, motors, batteries, and electrical devices

Learning Objectives

• Explain what electron configuration shows about the distribution of electrons in energy levels and orbitals
• Use valence electrons to predict common ion charges and typical bonding patterns
• Describe how shell filling order relates to periodic trends in atomic size and ionization energy+ 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 erosion detaches sediment and how transport moves sediment by water, wind, ice, and gravity
• Describe how transport energy and distance affect grain size and sorting in sedimentary records
• Interpret landscape history using clues such as graded bedding, till, moraines, loess, and dunes

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 heat, pressure, and chemically active fluids change rocks during metamorphism without complete melting
• Compare contact metamorphism and regional metamorphism and predict resulting rock textures
• Describe how metamorphic reactions and index minerals help identify metamorphic grade+ Show more

Learning Objectives

• Explain how photosynthesis and respiration move carbon between living things and the atmosphere
• Describe how plants, animals, and decomposers exchange gases to support life processes
• Use evidence from simple diagrams and statements to distinguish between photosynthesis and respiration

Learning Objectives

• Explain what a food web shows about energy flow and feeding relationships in an ecosystem.
• Describe how changes to one species can cascade through a food web.
• Use food-web vocabulary (producer, consumer, predator, prey, decomposer) to interpret relationships.+ Show more

Learning Objectives

• Explain how chloroplasts capture light energy and convert it into chemical energy during photosynthesis
• Describe the roles of thylakoid membranes and the stroma in the light reactions and Calvin cycle
• Connect how carbon dioxide is fixed into sugars and how stored starch supports cellular energy needs+ Show more

Learning Objectives

• Explain how weathering, transport, deposition, and lithification work together to form sedimentary rocks.
• Compare mechanical and chemical weathering and describe how each contributes to sediment production.
• Interpret how depositional environments influence bedding, fossils, and sedimentary structures.+ Show more