Science Worksheets

Learning Objectives

• Explain how natural selection, genetic drift, gene flow, and mutation generate biological diversity at the population level
• Interpret evidence for evolution from paleontology, comparative anatomy, and molecular homology
• Use population-level ideas (fitness, selection pressures, adaptive landscapes) to predict changes in allele frequencies

Learning Objectives

• Explain how control groups, randomization, blocking, and replication help isolate causal effects in experiments.
• Identify common sources of bias and confounding, including equipment variability and environmental fluctuations.
• Apply control strategies to real-world scenarios such as temperature-controlled reactions and standardized circuit components.+ Show more

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.

Learning Objectives

• Identify safe choices for using common field measurement tools (thermometers, pH probes, handheld anemometers, and electronic dataloggers).
• Describe proper handling, storage, cleaning, and battery management to prevent equipment damage and incorrect data.
• Explain how to reduce contamination of samples and protect people when working near wetlands or river edges.

Learning Objectives

• Explain how nuclear binding energy relates to energy release or absorption in fission and fusion.
• Compare fission and fusion in terms of reactants, conditions required, and typical energy outcomes.
• Describe how ionizing radiation interacts with matter and why nuclear reactions need careful control.+ Show more

Learning Objectives

• Explain how ecological interactions influence population growth and carrying capacity in Alberta ecosystems.
• Describe trophic relationships and quantify energy transfer efficiencies across trophic levels.
• Connect nutrient cycling processes to ecosystem productivity and resilience.+ Show more

Learning Objectives

• Explain how energy moves through a food web using multiple feeding relationships.
• Describe direct and indirect effects when one population changes in an ecosystem.
• Use food-web pathway thinking to predict possible outcomes at different trophic levels.

Learning Objectives

• Explain how observations and measurements can be organized into clear representations like tally tables and bar graphs.
• Use correct labels and an appropriate scale to make data in a representation easier to compare.
• Identify patterns and comparisons in data representations and explain what they show.

Learning Objectives

• Explain how human actions can affect multiple environmental systems (air, water, and land) through interconnected mechanisms.
• Evaluate environmental solutions by considering benefits, mechanisms of harm, side effects, feasibility, and uncertainty in predictions.
• Use evidence-based reasoning to compare tradeoffs among competing constraints in pollution control and resource use.

Learning Objectives

• Convert between concentration, volume, and moles for aqueous solutions using molarity.
• Use balanced chemical equations and stoichiometric ratios to predict unknown reactant or product amounts in solution.
• Apply equivalence and mass conservation reasoning to interpretation of neutralization and reagent-preparation problems.+ Show more

Learning Objectives

• Explain how chemical energy stored in food can be transformed to power life processes in organisms.
• Describe how energy is conserved during cellular work (energy changes form, not created or destroyed).
• Distinguish between useful energy for body functions and energy lost as heat.+ Show more

Learning Objectives

• Differentiate between systematic error and random error using real-world examples.
• Identify how instrument bias, procedural inconsistency, and environmental variability affect data.
• Use replication and calibration records to estimate uncertainty and judge confidence in conclusions.

Learning Objectives

• Explain how seasonal energy storage and release are driven by solar input and Earth’s energy budget.
• Describe how radiative, sensible, and latent heat transfer contribute to environmental changes.
• Connect seasonal thermal processes to freeze-thaw dynamics, snowpack insulation, and lake stratification.

Learning Objectives

• Explain how multicellular organisms use hierarchical levels of organization (cells → tissues → organs → organ systems) to perform specialized functions.
• Describe how signals at one level (chemical and physical) coordinate responses across multiple levels.
• Analyze how disruptions at any level can lead to system-level instability, impaired growth, or disease.

Learning Objectives

• Explain how inherited differences and reproduction can create variation in traits within a population
• Describe how trait frequency changes across generations when environmental pressures affect survival and reproduction
• Use examples of measurable traits (such as size, coloration, or disease resistance) to interpret patterns in populations

Learning Objectives

• Explain how electronegativity differences create bond dipoles and predict molecular polarity
• Distinguish polar vs nonpolar molecules based on structure and symmetry
• Relate bond polarity to intermolecular forces and macroscopic properties like solubility and boiling point

Learning Objectives

• Explain how limiting resources and carrying capacity affect population survival and reproduction in a community
• Describe how biotic interactions (competition, predation, and mutualism) shape species abundance and biodiversity
• Predict how environmental changes can shift community composition over time

Learning Objectives

• Explain how waves can be absorbed, reflected, refracted, or transmitted when they encounter matter.
• Connect wave-matter interactions to energy transfer and observable effects (such as heating or motion of charges).
• Describe how a material’s response can depend on frequency and determine which radiation passes or is blocked.

Learning Objectives

• Explain how mutation, natural selection, genetic drift, and gene flow change allele frequencies in populations
• Analyze how different evolutionary mechanisms interact to shape genetic diversity and adaptation
• Evaluate evidence for evolution using allele-frequency thinking and population-size/environment factors

Learning Objectives

• Identify major organelles and describe whether they are membrane-bound or non-membrane-bound
• Match organelles to their cellular functions (energy conversion, protein synthesis, processing, digestion, and genetic control)
• Explain how compartmentalization improves efficiency and coordination inside cells

Learning Objectives

• Explain how glycolysis, the citric acid cycle, and the electron transport chain connect to overall cellular respiration.
• Describe where each major step occurs and how energy is captured (ATP and reduced electron carriers).
• Interpret how oxygen functions as the final electron acceptor in aerobic respiration.

Learning Objectives

• Explain how balancing a chemical equation enforces conservation of mass and atoms.
• Use balanced equations to determine correct stoichiometric relationships (mole ratios).
• Identify how charge conservation and species representation affect ionic, redox, and gas/aqueous/heterogeneous equations.

Learning Objectives

• Explain how fossils in sedimentary layers can provide evidence for Earth’s past environments and geologic time.
• Describe how matching fossil types and rock layers across distant regions supports ideas about plate tectonics.
• Use principles such as superposition and radiometric dating to interpret the ages of fossil-bearing layers.

Learning Objectives

• Explain how heritable traits that affect survival and reproduction can change allele frequencies over generations.
• Describe how environmental conditions shape which traits are advantageous and lead to adaptation.
• Use models and reasoning to predict how phenotype proportions may shift under natural selection.

Learning Objectives

• Explain how the DNA-to-mRNA and mRNA-to-protein steps work as a pathway.
• Use codons and amino acids to describe how a sequence becomes a protein.
• Predict how changes in DNA sequence can change the protein and affect cell function.

Learning Objectives

• Explain the inputs, outputs, and overall purpose of photosynthesis in terms of energy and matter.
• Describe the roles of the light-dependent reactions and the Calvin cycle in producing and using ATP, NADPH, and CO2 fixation.
• Compare photosynthesis and cellular respiration as complementary processes involving gas exchange and energy flow.

Learning Objectives

• Describe how the Sun’s position changes during the day and how that changes shadow length and direction.
• Explain how seasonal changes in Sun angle affect the longest and shortest shadows over the year.
• Use observations of shadows to connect Earth’s rotation and axial tilt to day/night and seasons.

Learning Objectives

• Explain how divergent, convergent, and transform boundaries differ in plate motion and outcomes.
• Describe how earthquake patterns and seafloor magnetic stripes provide evidence for plate tectonics.
• Connect plate movement to Earth system processes such as heat flow and recycling of Earth’s materials.

Learning Objectives

• Explain the difference between reactants and products in a chemical reaction
• Use particle diagrams to describe how atoms are rearranged from reactants into products
• Identify evidence that a chemical reaction occurred by comparing properties of reactants and products

Learning Objectives

• Explain how Earth’s rotation causes day and night.
• Describe how Earth’s 23.5° axial tilt and orbit around the Sun produce seasonal changes.
• Identify solstices and equinoxes as predictable observational events.+ Show more

Learning Objectives

• Explain how organisms function as systems with parts that work together to support life processes.
• Describe how internal structures process inputs such as food, oxygen, and water.
• Match body structures to the specific roles they play in digestion, respiration, and circulation.

Learning Objectives

• Explain how climate variability differs from long-term climate trends
• Describe how ocean-atmosphere interactions (El Niño and La Niña) redistribute heat and moisture
• Use evidence from multiple timescales and regions to distinguish natural variability from sustained climate change+ Show more

Learning Objectives

• Explain the conservation principle and how it applies to mass and atoms during chemical transformations
• Use balanced symbolic equations to perform mass accounting and interpret conservation-based predictions
• Apply conservation reasoning to real-world contexts such as emissions monitoring and regulatory reporting

Learning Objectives

• Explain how balancing chemical equations reflects the conservation of atoms.
• Interpret stoichiometric coefficients as numerical ratios between reactants and products.
• Classify common reaction types (synthesis, decomposition, single-displacement, double-displacement, combustion) using balanced equations.

Learning Objectives

• Explain how gravity drives large-scale structure formation in the universe through matter clustering.
• Interpret observational evidence (distribution of matter and motion of galaxies) that supports gravitational organization over time.
• Connect orbital motion and interactions to changes in galactic-scale clustering patterns.

Learning Objectives

• Explain how dominant and recessive alleles determine phenotype from genotype
• Apply segregation and independent assortment to predict monohybrid and dihybrid ratios
• Use pedigree information to infer inheritance patterns and identify deviations from simple Mendelian expectations

Learning Objectives

• Explain how gear ratios determine angular velocity and direction in simple and compound gear trains
• Calculate overall gear ratio for spur gear interactions and predict speed and torque trade-offs
• Describe how idler gears change direction without changing overall gear ratio+ 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

• Identify criteria for success and constraints in an engineering problem statement.
• Explain how specifications translate engineering needs into testable performance targets.
• Evaluate engineering trade-offs using evidence from prototypes or calculations.

Learning Objectives

• Explain how the water cycle redistributes water through evaporation, condensation, precipitation, runoff, infiltration, groundwater flow, and storage.
• Analyze how temperature, land cover, and atmospheric circulation create variability in local water outcomes.
• Connect short-term weather patterns to longer-term climate impacts using reservoir and energy considerations.

Learning Objectives

• Explain how temperature changes average kinetic energy and affects molecular collisions.
• Describe how temperature influences solubility and reaction rates through qualitative thermodynamic reasoning.
• Predict trends for solids vs. gases dissolving as temperature changes, using enthalpy-of-solution logic.+ Show more

Learning Objectives

• Explain how phase changes relate to changes in particle kinetic energy and potential energy.
• Describe latent heat as energy transferred during a phase change without changing chemical identity.
• Interpret energy absorption versus energy release for melting, freezing, evaporation, and condensation.

Learning Objectives

• Explain how mass defect is connected to binding energy and energy release or absorption in nuclear processes using E = mc^2
• Use conservation of nucleon number (A) and charge (Z) to predict particles and products in nuclear decay and reactions
• Relate nuclear mass-energy changes to observable radiation and kinetic energy in decay chains, fission, and fusion

Learning Objectives

• Explain how ailerons, elevators, and rudders change airflow to create aerodynamic moments.
• Describe how deflecting control surfaces alters lift and produces rolling, pitching, and yawing motions.
• Connect control-surface responses to real-world flight examples, including short-field operations and crosswind control.

Learning Objectives

• Explain how orogeny forms mountains through crustal shortening, thickening, and uplift during plate convergence.
• Describe how continental collisions and subduction-related compression contribute to mountain-belt structures.
• Connect erosion and isostatic adjustment to how uplifted mountain landscapes evolve over time.

Learning Objectives

• Explain equilibrium as a state where net force is zero and motion does not change
• Differentiate static equilibrium from dynamic equilibrium using examples and force diagrams
• Identify balanced force pairs and predict how structures respond to gravity and wind

Learning Objectives

• Explain the major processes of erosion dynamics: detachment, transport, and deposition, and how they reshape Earth’s surface.
• Analyze how water, ice, wind, and gravity drive erosion differently in river, glacial, and coastal environments.
• Evaluate how climate, vegetation, and tectonic uplift influence erosion rates and downstream sediment records.

Learning Objectives

• Explain relative velocity using vector subtraction between two reference frames.
• Determine an object’s apparent speed and direction from measured velocities.
• Use classical relative-velocity ideas for speeds much smaller than light.