Grade 11 Worksheets

Learning Objectives

• Describe how ionic strength affects ion activity coefficients in real solutions
• Explain why higher ionic strength often lowers effective solubility of electrolytes
• Relate ionic-strength ideas to non-ideal behavior in natural waters and industrial brines in Alberta

Learning Objectives

• Explain how dissolved ions, temperature changes, and organic contaminants influence solubility equilibria.
• Predict precipitation, scaling, and material deterioration based on water-chemistry clues.
• Interpret simple chemical data to anticipate operational and environmental impacts in industrial and municipal systems.

Learning Objectives

• Explain how the common ion effect shifts an ionic equilibrium when an ion already present is added
• Predict how added Ca2+ or SO4^2- changes the apparent solubility of CaSO4 in water using Le Châtelier’s principle
• Connect equilibrium ideas to real situations such as mineral precipitation and water treatment

Learning Objectives

• Determine oxidation states using systematic rules and identify what is oxidized and what is reduced.
• Balance redox equations in acidic and basic media using oxidation numbers or electron bookkeeping.
• Use redox stoichiometry to predict reactant/product quantities and interpret real-world cases like corrosion control and effluent treatment.

Learning Objectives

• Calculate theoretical yield from a balanced chemical equation and identify the limiting reagent.
• Compute percent yield using actual yield and theoretical yield values.
• Explain common reasons actual yield is lower than theoretical yield and interpret yield as a quality metric.

Learning Objectives

• Use balanced chemical equations to perform mole and mass calculations for industrial-scale production.
• Apply process stoichiometry to determine limiting reactants, theoretical yield, and percent yield.
• Connect stoichiometric planning to raw material accounting and environmental emissions compliance.

Learning Objectives

• Explain how mass percent or percent composition data can be converted into moles to determine an empirical formula
• Calculate the simplest whole-number ratio of atoms using mole ratios from analytical data
• Distinguish between empirical formulas and molecular formulas and interpret what the empirical result represents

Learning Objectives

• Identify measurable indicators of a chemical reaction (e.g., gas, precipitate, color/temperature change) and explain what each indicator means.
• Connect macroscopic observations to microscopic particle changes and the conservation of mass.
• Use chemical evidence to predict whether a reaction occurred and to support safe, evidence-based conclusions in real contexts.

Learning Objectives

• Use VSEPR to predict molecular shape and relate shape to polarity and dipole alignment
• Compare intermolecular forces (London dispersion, dipole-dipole, and hydrogen bonding) using molecular examples
• Explain how intermolecular forces affect melting and boiling points, including real-world regional phenomena

Learning Objectives

• Explain how atomic radius, ionization energy, and electronegativity change across periods and down groups.
• Use periodic trends to predict whether atoms form cations or anions and how they bond.
• Connect periodic trends to real materials issues such as corrosion resistance and alloy selection.

Learning Objectives

• Describe how pH changes as titrant is added during a titration and identify key features of titration curves (initial pH, buffer region, inflection point, equivalence point).
• Compare the shapes of titration curves for strong acid–strong base, weak acid–strong base, and weak base–strong acid systems.
• Use curve features to select appropriate endpoints and interpret titration data in real samples (e.g., natural waters and industrial effluents).

Learning Objectives

• Explain what pH means and how it relates to hydrogen ion concentration and acidity/basicity.
• Use the pH–pOH relationship (at 25°C, pH + pOH = 14) to solve or check chemistry problems.
• Connect pH to real-world effects such as mineral solubility, chemical speciation, and aquatic organism suitability.

Learning Objectives

• Match an indicator’s color-change pH range to the expected equivalence pH for an acid–base titration.
• Select an appropriate indicator for different titration types using expected steepness and pH region of the equivalence point.
• Explain why indicator transition intervals must align with the titration’s buffering and endpoint region.

Learning Objectives

• Explain what the Henderson–Hasselbalch equation describes in terms of pH, pKa, and concentration ratios.
• Use the Henderson–Hasselbalch equation to predict how changing acid/base concentrations affects buffer pH.
• Interpret buffer behavior in real environmental or industrial water systems.

Learning Objectives

• Explain how acid and base dissociation constants (Ka and Kb) describe proton-transfer equilibria
• Use Ka, Kb, and Kw relationships to reason about pKa and pKb and predict relative acid/base strength
• Apply equilibrium and buffering ideas to estimate or interpret pH changes in real aqueous systems

Learning Objectives

• Explain what degree of dissociation (α) means for weak acids and weak bases in solution.
• Predict how initial concentration and equilibrium effects change percent dissociation.
• Describe how the common-ion effect influences ionization of dissociated species.+ Show more

Learning Objectives

• Explain how molecular structure factors influence acid strength in water.
• Use trends such as bond polarity, electronegativity, atom size, resonance stabilization, and oxidation state to predict acidity.
• Relate electron-withdrawing groups in oxyacids and halogen-substituted acids to acidity trends.+ Show more

Learning Objectives

• Explain how cladistic, phenetic, and phylogenomic approaches differ in grouping organisms.
• Describe how morphological, molecular, and computational data contribute to classification.
• Use taxonomic systems to interpret and revise biological relatedness based on new evidence.

Learning Objectives

• Explain how genetic drift causes allele frequencies to change due to chance events, especially in small populations.
• Distinguish bottleneck and founder effects and predict how each can reduce genetic variation.
• Compare genetic drift with natural selection in terms of dependence on fitness and effects on evolutionary potential.

Learning Objectives

• Explain how natural selection can increase the frequency of heritable traits that improve survival and reproduction.
• Identify the key requirements for adaptation by selection: variation, heritability, and differential reproductive success.
• Describe how environmental pressures can change trait frequencies over many generations.

Learning Objectives

• Explain how allele segregation during gamete formation contributes to predictable inheritance patterns.
• Use probability ideas to describe expected genotype or phenotype frequencies in large groups.
• Distinguish between random assortment of alleles and predictable statistical outcomes.

Learning Objectives

• Explain how multiple lines of evidence (fossils, comparative anatomy, and molecular data) support common ancestry.
• Identify how homologous structures and genetic similarities indicate evolutionary relationships.
• Distinguish between evidence that suggests shared ancestry and differences that result from evolutionary change.

Learning Objectives

• Explain how organelles work together through physical and chemical interactions to maintain cell function.
• Describe how cell membranes create compartments and regulate transport of substances.
• Evaluate how energy-requiring reactions support cellular structure and life processes.

Learning Objectives

• Explain how allele frequencies can change across generations when environments shift
• Describe how natural selection acts on heritable traits that affect fitness in a given environment
• Interpret how genetic variation and selection pressure influence population outcomes over time

Learning Objectives

• Explain how photosynthesis stores energy in chemical bonds and how cellular respiration releases usable energy.
• Describe the role of rearranging atoms and transferring energy during chemical reactions.
• Connect chemical energy transformations to ecosystem energy availability.

Learning Objectives

• Explain how heritable variation and environmental pressures can change allele frequencies over generations
• Compare directional, stabilizing, and disruptive selection based on how trait distributions shift
• Use real examples to describe adaptation, survival, and reproduction

Learning Objectives

• Explain how ATP stores and releases energy through phosphate bond hydrolysis.
• Describe how cells generate ATP by substrate-level phosphorylation and oxidative phosphorylation.
• Connect ATP use to endergonic reactions, active transport, and mechanical work via coupled phosphoryl transfer.

Learning Objectives

• Explain why matter is conserved in biological systems even as organisms grow and change.
• Describe how elements such as carbon and nitrogen move among atmosphere, soil, water, and living tissue.
• Use conservation of matter ideas to interpret ecosystem productivity and nutrient cycling.

Learning Objectives

• Explain how sensing, signaling, and effectors work together in feedback mechanisms to maintain homeostasis.
• Identify whether a change triggers negative or positive feedback and predict its overall effect on internal conditions.
• Describe how dynamic feedback loops support stable conditions for cell function.

Learning Objectives

• Explain how anaerobic fermentation regenerates NAD+ so glycolysis can continue when oxygen is scarce
• Compare lactic acid fermentation and alcoholic fermentation in terms of products and electron acceptance
• Connect fermentation pathways to energy yield and redox balancing

Learning Objectives

• Explain how internal structures at the cellular and tissue levels support life processes in organisms.
• Describe how specialized surfaces and organ systems increase the rates of exchange for gases and nutrients.
• Connect form and function by linking structure to physical and chemical interactions needed for survival, growth, and reproduction.

Learning Objectives

• Explain how meiosis creates genetic variation through chromosome segregation and allele combinations.
• Describe the role of fertilization in producing unique offspring traits.
• Distinguish between processes that increase variation in gametes versus those that maintain chromosome number.

Learning Objectives

• Explain how mutations create genetic variation that can influence traits.
• Differentiate between mutation effects (neutral, harmful, beneficial) and how environment affects trait expression.
• Connect inherited variation to the raw material for evolution in natural populations.

Learning Objectives

• Explain how carbon and nitrogen move into and out of living systems through key processes such as photosynthesis, respiration, decomposition, and uptake.
• Describe the role decomposers play in nutrient recycling and how this supports ecosystem-level matter movement.
• Connect organismal activity (food webs) to biogeochemical cycles by using cause-and-effect reasoning.

Learning Objectives

• Explain how energy moves through trophic levels using the ideas of producers, consumers, and energy loss.
• Use a trophic energy model to predict why higher trophic levels typically have less available energy.
• Describe how respiration and heat loss reduce the fraction of energy available for growth and reproduction.

Learning Objectives

• Explain how differences in temperature and moisture between air masses affect clouds and precipitation.
• Describe how pressure differences and density changes create winds and influence weather over time.
• Connect fronts and lifting processes to cooling, condensation, and the development of weather systems.

Learning Objectives

• Describe multiple types of evidence used to reconstruct past climate changes, including ice cores and trapped gases.
• Explain how greenhouse gases, aerosols, and Earth’s reflectivity can work together to affect temperature over long time scales.
• Evaluate whether specific statements about climate evidence and interpretation are accurate.

Learning Objectives

• Explain how climate forecasts combine observations with outputs from climate models.
• Identify how historical trends and measurable indicators are used to evaluate model predictions.
• Describe the types of impacts climate forecasts can support, including precipitation, temperature extremes, and sea-level rise.+ Show more

Learning Objectives

• Explain how land-use change, extraction, and waste management can alter Earth’s material cycles.
• Describe how changes in the geosphere, hydrosphere, atmosphere, and biosphere connect and affect water quality and air quality.
• Use evidence-based reasoning to predict measurable near-surface and surface chemistry changes caused by human activity.

Learning Objectives

• Explain how engineering solutions reduce harm to Earth systems and human populations during hazards.
• Evaluate trade-offs among effectiveness, cost, and environmental impacts in mitigation planning.
• Describe how uncertainty and system-wide effects influence mitigation tool decisions.

Learning Objectives

• Explain how matter cycles through Earth’s reservoirs (geosphere, hydrosphere, atmosphere, biosphere).
• Describe how energy from the Sun and Earth’s internal heat drives phase changes and transport.
• Connect material cycling to long-term patterns like the rock cycle and the water cycle.+ Show more

Learning Objectives

• Explain how natural resources influence infrastructure, economic decisions, and environmental outcomes.
• Differentiate renewable and nonrenewable resources by replenishment rate and regional availability.
• Describe how resource demand and extraction byproducts can affect water, land, energy, and ecosystems.

Learning Objectives

• Explain how digital transmission converts continuous signals into discrete levels represented by bits.
• Describe how noise affects communication and how error correction improves reliability.
• Analyze the tradeoff between sampling rate, bandwidth, and data requirements in digital systems.

Learning Objectives

• Explain how wavelength and frequency relate to the energy of electromagnetic radiation.
• Classify parts of the electromagnetic spectrum in order of increasing energy.
• Describe how absorption, emission, reflection, and scattering depend on wavelength and atomic energy levels.+ Show more

Learning Objectives

• Explain energy conservation using energy accounting between interacting components
• Identify common energy forms (gravitational potential, kinetic, thermal, and field energy) and how they transfer
• Use qualitative energy bookkeeping to predict what happens to energy during real processes

Learning Objectives

• Explain momentum as a vector quantity and why it is conserved in an isolated system
• Use equal and opposite forces to reason about impulse and total momentum before and after collisions
• Distinguish elastic and inelastic collisions by how they affect kinetic energy+ Show more

Learning Objectives

• Apply Newton’s second law to predict how net force, mass, and acceleration relate.
• Determine the direction of acceleration from the direction of the net force vector.
• Use force addition (thrust and friction) to explain changes in velocity and trajectory.+ Show more

Learning Objectives

• Explain how electron configurations relate to valence, ion charge, and bonding patterns across periods and groups.
• Predict general trends in metallic/nonmetallic character and typical reactivity using periodic table position.
• Use electronegativity and bonding type (ionic vs covalent) to reason about element behavior.