Science Worksheets

Learning Objectives

• Explain how genetic diversity within and among populations supports adaptation to changing conditions.
• Describe how mutation, gene flow, population size, genetic drift, and natural selection shape genetic variation.
• Predict how low genetic diversity can increase disease vulnerability, inbreeding depression, and extinction risk.+ Show more

Learning Objectives

• Explain how producers capture energy and how consumers obtain energy in a food web.
• Identify primary, secondary, and higher-level consumers and describe their roles.
• Describe how energy transfer limits affect ecosystem productivity and stability.

Learning Objectives

• Explain how structural changes in cells support specialized functions in the body
• Compare how different cell types are specialized for tasks such as movement, absorption, and communication
• Use examples to describe how features like increased surface area, shape, and organelle abundance improve performance

Learning Objectives

• Explain speed as distance divided by time and identify appropriate units
• Distinguish constant speed from average speed using distance-time reasoning
• Use proportional reasoning to predict how changes in distance, speed, or time affect the others+ Show more

Learning Objectives

• Compare DNA and RNA structural features, including strand structure, sugar type, and base composition
• Explain how complementary base pairing and strand directionality relate to replication and transcription
• Describe how structural differences influence the stability and functions of DNA and RNA

Learning Objectives

• Explain what the Henderson–Hasselbalch equation represents in buffer chemistry
• Use the Henderson–Hasselbalch equation to calculate pH from buffer components
• Predict how changing acid/base ratio affects buffer pH+ Show more

Learning Objectives

• Classify bitumen separation steps as physical or chemical processes based on how substances change.
• Explain how density, particle size, temperature, and additives affect emulsions and dissolved organics.
• Use evidence from a process description to describe mixture behavior and expected product outcomes.

Learning Objectives

• Explain how a food web shows feeding relationships and alternative energy pathways.
• Describe how changes to one species can cause cascading effects through an ecosystem.
• Use food web ideas (connectivity, redundancy, and specialization) to predict stability after disturbances.

Learning Objectives

• Describe how simple machines change the size and/or direction of a force to make work easier.
• Explain mechanical advantage and connect it to the geometry of a machine.
• Identify and compare lever, pulley, wedge, screw, inclined plane, and wheel-and-axle in everyday contexts.+ Show more

Learning Objectives

• Interpret chemical equations by identifying reactants, products, and the arrow that shows the reaction direction.
• Use coefficients and state symbols to explain relative amounts and physical phases in chemical reactions.
• Apply conservation of matter to predict what must be balanced in a chemical equation.+ Show more

Learning Objectives

• Describe how growth rings form and how ring width and density can reflect environmental conditions.
• Explain how scientists use growth rings and dendrochronology to reconstruct past climate and disturbance events.
• Interpret growth-ring clues to make evidence-based claims about tree age, growth rates, and long-term forest health.

Learning Objectives

• Explain that energy can change forms through energy transformations while total energy is conserved.
• Identify common energy forms (mechanical, chemical, electrical, thermal) and trace how they transform in real systems.
• Use energy transformation ideas to interpret examples such as hydroelectric power, wind turbines, and fuel combustion.

Learning Objectives

• Explain how grounding, insulation, and overload protection reduce electrical shock and fire risks.
• Describe how protective devices and correct component specifications support safe system design.
• Analyze environmental implications of electricity generation and electrical infrastructure impacts.

Learning Objectives

• Explain the center of mass as the weighted average position of mass in a system
• Use center-of-mass ideas to analyze translational motion, explosions, and recoil with momentum conservation
• Identify how internal forces affect (and do not affect) the motion of the system’s center of mass

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 energy is transferred and dissipated in oscillatory systems, including the role of damping.
• Analyze how resonance and driving frequency affect amplitude and energy flow in forced oscillations.
• Apply conservation of energy to systems with non-conservative forces such as friction and air resistance.

Learning Objectives

• Explain how proxy archives (tree rings, lake sediments, peat deposits) preserve evidence of past climate variability.
• Describe how scientists extract and validate temporal signals in proxy records.
• Interpret how proxy evidence can reconstruct past temperature, precipitation, and fire regimes.+ Show more

Learning Objectives

• Explain how environmental pressures can change allele frequencies through differential survival and reproduction.
• Differentiate directional, stabilizing, and disruptive selection and predict how each affects trait distributions.
• Use examples like antibiotic resistance to connect genetic variation to observable evolutionary change.

Learning Objectives

• Explain how natural selection increases the frequency of heritable traits that improve reproductive success in a specific environment.
• Describe selective pressure, fitness, and adaptive trade-offs using examples from Alberta.
• Compare artificial selection in agriculture with natural selection and infer how adaptation can accumulate over generations.

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 tectonic stress and rock strength lead to sudden slip along faults during earthquakes.
• Compare normal, reverse, and strike-slip fault motion and connect each type to local stress regimes.
• Describe how earthquake waves travel through Earth and how depth, magnitude, and local geology affect intensity.+ Show more

Learning Objectives

• Explain how the changing geometry between the Sun, Earth, and Moon causes the visible lunar phases.
• Describe the synodic month and why lunar phases repeat in a predictable sequence.
• Use illuminated fraction and viewing perspective to predict which phase comes next.

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

• Explain how stratigraphic columns use lithology, fossils, and sedimentary structures to interpret depositional history.
• Describe how correlation links equivalent rock layers across distance and how unconformities record missing time.
• Use facies concepts to infer past environments and explain how lateral changes in deposition can produce different layer patterns.

Learning Objectives

• Explain how organ structure and tissue types work together to carry out physiological functions (e.g., nutrient processing, gas exchange).
• Analyze how organ-level interfaces with the external environment support survival and reproduction across different environments in Alberta.
• Use examples from plant root systems and mammalian digestive organs to describe structure–function relationships, including vascularization and microbial interactions.

Learning Objectives

• Explain how ligands bind to receptors and initiate signal transduction inside cells
• Describe how second messengers and phosphorylation help relay and amplify signals
• Compare autocrine, paracrine, endocrine, and synaptic signaling by distance and time scale+ Show more

Learning Objectives

• Identify kinetic and potential energy and describe how mechanical energy changes form
• Explain how forces doing work can transfer energy from one object to another
• Describe how friction and air resistance convert some mechanical energy into thermal energy

Learning Objectives

• Explain how pulmonary ventilation and cardiovascular transport work together to deliver oxygen and remove carbon dioxide.
• Describe how heart rate, stroke volume, and vascular resistance can change in response to respiratory and metabolic demands.
• Use chemoreceptor feedback to predict how changes in blood gases affect ventilation and circulation.+ Show more

Learning Objectives

• Explain how push and pull forces can change an object’s state of motion.
• Distinguish between contact forces and non-contact forces with real-life examples.
• Describe the relationship between net force and resulting acceleration in qualitative terms.

Learning Objectives

• Explain what a closed system is and how it differs from an open system.
• Use conservation of matter to interpret reactants and products in closed-system chemical changes.
• Predict mass or gas changes using measurements from contained experiments.

Learning Objectives

• Define solution concentration in terms of solute and solvent and explain what dilution means.
• Compare common concentration measures (mass percent and grams per litre) and identify units.
• Explain how concentration can affect physical properties such as freezing point and boiling point.+ Show more

Learning Objectives

• Identify major eukaryotic cell organelles and describe their primary functions
• Explain how an organelle’s structure and molecules relate to the cell task it performs
• Compare how organelle roles support different tissue needs in plants and animals

Learning Objectives

• Explain how classification rules use visible traits to group organisms clearly.
• Use a step-by-step set of features to place organisms into the correct group.
• Evaluate whether a new organism fits a group by checking the same rule features.

Learning Objectives

• Explain how heat engines convert thermal energy into mechanical work using a cycle and temperature differences.
• Describe how efficiency is affected by peak and sink temperatures, cycle design, and real-world losses.
• Compare internal combustion engines, gas turbines, and steam turbines using efficiency and environmental trade-offs.

Learning Objectives

• Explain how Earth’s rotation causes the repeating pattern of day and night
• Describe how sunrise and sunset are related to Earth facing toward or away from the Sun
• Compare how the Sun’s angle and intensity affect brightness and the length of daylight+ Show more

Learning Objectives

• Explain how dominant and recessive alleles create predictable patterns of inherited traits across generations.
• Use evidence from family histories and populations to support heredity-based explanations for traits.
• Describe how mutations and similarities among related organisms provide additional evidence for genetic influence on phenotypes.

Learning Objectives

• Compare the structures of eukaryotic cell organelles and relate each to its major function.
• Explain how membrane-bound and non-membrane-bound components coordinate information storage, energy conversion, and synthesis.
• Use cell structure to predict how processes like protein production and material transport occur.

Learning Objectives

• Represent one-dimensional and vector motion using kinematics relationships and consistent sign conventions
• Apply Newton’s laws and free-body reasoning to predict forces, accelerations, and friction effects
• Use energy, impulse, and momentum (including rotational analogues) to solve quantitative mechanics problems+ Show more

Learning Objectives

• Explain qualitatively how ionic strength affects ion activity coefficients in solutions.
• Describe why high ionic strength changes effective solubility and shifts equilibrium positions.
• Apply ionic-strength ideas to real contexts such as saline aquifers and industrial brines in Alberta.

Learning Objectives

• Explain what chemical indicators are and how they provide evidence that a chemical reaction has occurred
• Identify common indicator signs such as color change, gas production, precipitate formation, and energy changes
• Distinguish between indicators of chemical change and signs of physical change

Learning Objectives

• Explain how gravity provides the centripetal force needed for orbital motion
• Compare circular and elliptical orbits and predict how orbital speed changes
• Describe how kinetic and gravitational potential energy relate to orbital energy and escape velocity

Learning Objectives

• Explain how distance, time, and speed are related and identify appropriate units.
• Calculate average speed using distance and time and interpret results in context.
• Recognize common sources of measurement error and describe how they affect motion data.+ Show more

Learning Objectives

• Explain how adaptation trade-offs occur when a helpful trait causes a cost.
• Evaluate costs and benefits of traits for survival and niche (habitat/role) occupation.
• Use examples to describe how environmental pressures shape evolutionary outcomes.

Learning Objectives

• Explain how data and constraints are used to optimize a design toward target outcomes.
• Compare trade-offs when multiple criteria (goals) matter at the same time.
• Use evidence from parameter changes to justify which design improvements are meaningful.+ Show more

Learning Objectives

• Differentiate ionic, covalent, and metallic bonding based on electron interactions.
• Predict some macroscopic properties (melting point, conductivity, structure/solubility patterns) from bonding type.
• Apply bonding ideas to real-world examples such as sodium chloride and metal ores.

Learning Objectives

• Describe how historical atomic models (Dalton, Thomson, Rutherford, Bohr) evolved with new experimental evidence.
• Explain how electron structure and probabilistic orbitals relate to atomic mass and atomic behavior.
• Interpret isotope and radiation ideas in real-world contexts, including geological dating and uranium deposits.+ Show more

Learning Objectives

• Compare Earth, Mars, and Venus using atmosphere, greenhouse effect, magnetic protection, and volatile inventories
• Use remote-sensing ideas and solar distance to explain differences in climate and surface conditions
• Evaluate how divergent planetary evolution can preserve or transform habitability-related conditions

Learning Objectives

• Define work in terms of the component of force along displacement and explain why work is a scalar quantity.
• Use the work-energy relationship to predict how motion changes when forces do (or do not) do net work.
• Distinguish conservative and nonconservative forces and relate each to how work depends (or does not depend) on path.