Grade 11 Science Worksheets

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 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 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 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

• 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 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

• 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 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• 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

• Define molar concentration (molarity) and interpret what a given value of M means about a solution.
• Convert between moles and mass using molar mass while keeping units consistent.
• Use dilution relationships (C1V1 = C2V2) to determine an unknown concentration.

Learning Objectives

• Explain the meaning of mass percent, volume percent, and parts per million (ppm) in solution chemistry
• Convert and compare concentration units using consistent reference amounts (mass vs. volume)
• Interpret how concentration values relate to real-world samples such as road salt brines and trace metals

Learning Objectives

• Read and interpret solubility curves to determine the state of a solution (unsaturated, saturated, or supersaturated).
• Explain how temperature affects solute solubility for salts and how this shows up on graphs.
• Connect trends on solubility curves to molecular interactions and to real-world Alberta contexts.

Learning Objectives

• Define solute, solvent, and solution using homogeneous-mixture language.
• Explain how microscopic interactions drive dissolution and affect solution properties.
• Use and interpret common concentration units and identify types of solutions.

Learning Objectives

• Use molar concentration to convert between volume of solution and moles of dissolved reactants.
• Apply mole-to-mole ratios from balanced equations to predict product amounts in aqueous reactions.
• Identify the limiting reactant in solution-based problems using concentration and stoichiometry.

Learning Objectives

• Use titration data with molarity and reaction stoichiometry to calculate an unknown solution concentration
• Interpret the equivalence point to connect measured volumes with chemical change
• Apply algebraic relationships in titration calculations and evaluate reasonableness

Learning Objectives

• Explain how internal geologic processes (plate tectonics, volcanism, uplift) change Earth’s surface over time
• Describe how external processes (weathering, erosion, deposition) transport and reshape surface materials
• Analyze how the balance between uplift and erosion influences landforms, slope stability, and sediment distribution+ Show more

Learning Objectives

• Explain how orbital dynamics provide evidence for long-term stability in planetary systems.
• Describe how spectral and electromagnetic observations help determine composition and temperature of space objects.
• Use multiple observations (orbital elements and light curves) to strengthen conclusions about system evolution.

Learning Objectives

• Explain how net force is determined by combining multiple forces using vector reasoning
• Interpret free-body diagrams, including contact forces and friction, to predict changes in motion
• Determine whether an object accelerates, moves steadily, or follows a curved path based on net force direction and magnitude

Learning Objectives

• Explain how electron transfer leads to ionic bonding and alternating charge patterns in ionic solids
• Describe how electron sharing leads to covalent bonding and directional bonding
• Relate bonding type to properties such as melting point, conductivity, brittleness, and solubility+ Show more

Learning Objectives

• Explain how scientific models represent relationships among variables to estimate outcomes before building or testing.
• Compare multiple solution approaches by using model-based calculations or simulations and identifying key assumptions.
• Use model predictions and constraints to justify which design or approach is most promising.

Learning Objectives

• Explain how biological claims are evaluated using evidence from data and models that link mechanisms to observed patterns.
• Identify confounding variables and alternative explanations when interpreting biological evidence.
• Assess whether a claim is strongly supported by consistent, measurable results across datasets and consider model assumptions and limitations.

Learning Objectives

• Explain how natural selection changes allele frequencies in a population over time
• Distinguish directional, stabilizing, and disruptive selection and predict resulting trait patterns
• Use environmental conditions to justify which individuals are more likely to survive and reproduce

Learning Objectives

• Explain how uneven solar heating creates pressure gradients that drive atmospheric circulation
• Describe how the Coriolis effect influences wind direction and large-scale wind belts
• Compare global circulation cells and how they move heat, humidity, and precipitation toward higher latitudes+ Show more

Learning Objectives

• Distinguish climate from short-term weather and explain why long-term averages matter
• Describe how energy balance, greenhouse gases, and incoming solar energy influence climate
• Explain how feedbacks and ocean circulation can shift temperature and precipitation patterns

Learning Objectives

• Distinguish positive feedback from negative feedback in Earth system processes
• Explain how atmospheric water vapor, clouds, and ice reflectivity can amplify or stabilize climate change
• Describe how human activities that change land cover and composition can alter feedback pathways

Learning Objectives

• Explain how Earth’s geosphere, hydrosphere, atmosphere, and biosphere interact as interconnected systems.
• Describe how energy transfer and matter cycling (e.g., water cycle and biogeochemical cycles) connect short-term changes to longer-term patterns.
• Use cause-and-effect reasoning to predict how unequal heating can drive circulation and influence regional climates.

Learning Objectives

• Explain how air masses of different temperature and moisture form weather fronts that lift air and trigger precipitation.
• Describe how temperature contrast and atmospheric stability influence vertical motion and cloud growth.
• Identify key conditions that help severe storms intensify, including the role of warm ocean water and wind conditions.

Learning Objectives

• Explain how internal heat drives mantle convection and leads to plate motion on Earth’s surface
• Differentiate between divergent, convergent, and transform plate boundaries and describe typical landforms
• Connect tectonic activity to observable evidence such as earthquakes and volcanism

Learning Objectives

• Explain how stellar fusion in a core produces energy and helps determine a star’s brightness and surface temperature.
• Describe how changes in available fuel move stars through major evolutionary stages (main sequence, red giant, remnants).
• Connect stellar lifecycles to observable outcomes like remnants (white dwarfs, neutron stars, black holes) and chemical enrichment.

Learning Objectives

• Explain how balanced chemical equations reflect conservation of mass by matching atom counts on both sides.
• Distinguish the roles of coefficients and subscripts in a chemical formula.
• Balance simple chemical equations using coefficients and check the result by counting atoms.

Learning Objectives

• Explain how momentum depends on both mass and velocity and how it changes during collisions
• Use conservation of momentum to predict the motion of objects in an isolated system
• Differentiate elastic and inelastic collisions by comparing how kinetic energy is affected

Learning Objectives

• Explain the conservation of mass in a closed system during chemical reactions
• Connect balanced chemical equations to measurable mass in reactants and products
• Interpret evidence from experiments using mass conservation ideas

Learning Objectives

• Explain how energy transforms between forms while the total energy of a closed system remains constant
• Identify common energy transformations involving motion, thermal energy, light, and electrical energy
• Use energy accounting ideas to describe why some energy becomes less useful for doing work

Learning Objectives

• Identify and describe the effects of gravity, normal force, friction, and tension on objects.
• Determine how net force (vector sum) relates to changes in motion, including the direction of acceleration.
• Apply force-type concepts to analyze real-world situations such as sliding blocks and astronauts in spacecraft.

Learning Objectives

• Explain how conduction, convection, and radiation transfer thermal energy.
• Identify the physical conditions or materials in which each heat-transfer mechanism is most effective.
• Interpret real-world examples (hot drinks, heated rooms, and sunlight) using the correct heat-transfer model.

Learning Objectives

• Distinguish kinetic energy from potential energy and identify examples of each in real situations.
• Explain how gravitational potential energy changes with height and how elastic potential energy changes with spring compression or stretching.
• Describe how energy can shift between forms as an object moves through different positions.

Learning Objectives

• Explain Newton’s First Law using the idea of inertia and net external force.
• Predict how an object’s motion changes when forces are balanced versus unbalanced.
• Connect Newton’s First Law to everyday examples such as braking, starting, and sliding.

Learning Objectives

• Use Newton’s second law to relate net force, mass, and acceleration.
• Predict how acceleration changes when net force or mass changes.
• Determine the direction of acceleration from the direction of the net force.

Learning Objectives

• Distinguish physical changes from chemical changes by identifying whether new substances form.
• Use observable evidence (gas, color/temperature change, precipitate formation) to infer chemical reactions.
• Explain why physical changes are often reversible while chemical changes are not.

Learning Objectives

• Classify common chemical reactions by how reactants combine or split (synthesis, decomposition, single replacement, double replacement).
• Predict likely products using patterns and conservation of matter.
• Use evidence such as gas, precipitate, color change, and temperature change to infer reaction type.