Grade 11 Science Worksheets

Learning Objectives

• Use the VSEPR model to predict the three-dimensional shapes of molecules from bonding pairs and lone pairs.
• Relate molecular geometry to molecular polarity and dipole moments.
• Connect intermolecular forces to macroscopic properties such as boiling point and solubility.

Learning Objectives

• Explain how natural selection changes allele frequencies in a population over time
• Differentiate directional, stabilizing, and disruptive selection using trait-environment scenarios
• Interpret evidence of selection, such as antibiotic resistance and fin-size changes, at the population level

Learning Objectives

• Explain how natural selection changes allele frequencies across generations.
• Identify the requirements for adaptation by selection: heritable variation and differential reproductive success.
• Use evidence from examples to predict how traits may become more common under different environmental pressures.

Learning Objectives

• Explain how allele segregation during meiosis produces gametes with different alleles
• Predict offspring genotype probabilities from parental genotypes using Punnett outcomes
• Analyze how randomness and large-sample statistics connect to inheritance patterns+ Show more

Learning Objectives

• Explain how multiple lines of evidence support common ancestry
• Identify examples of homologous structures and shared genetic features
• Distinguish how fossil, anatomical, and molecular data contribute to evolutionary relationships

Learning Objectives

• Explain how membranes and organelles create compartments that enable coordinated cell processes.
• Describe how physical and chemical interactions between molecules support energy-requiring reactions in cells.
• Analyze how the structure of cell components influences transport, metabolism, and overall cell function.

Learning Objectives

• Explain how environmental change can alter allele frequencies across generations
• Describe how natural selection favors heritable traits that increase fitness in a particular environment
• Evaluate how genetic variation and selection pressure influence evolutionary outcomes+ Show more

Learning Objectives

• Explain how scientific claims are supported by evidence and why stronger evidence leads to stronger explanations
• Evaluate competing scientific explanations by comparing what they predict and how well they handle uncertainty and outliers
• Use evidence-based reasoning to assess plausibility of alternative causes and identify assumptions

Learning Objectives

• Explain how photosynthesis converts light energy into chemical energy stored in sugars
• Describe how cellular respiration releases usable energy by breaking down sugars and forming ATP
• Connect energy changes to rearrangement of atoms and chemical bond breaking/forming+ Show more

Learning Objectives

• Explain the principle of conservation of matter in biological systems and ecosystems.
• Describe how elements like carbon and nitrogen cycle among air, water, soil, and living organisms.
• Use conservation of matter to predict how growth, metabolism, and reproduction change matter forms without changing total matter.+ Show more

Learning Objectives

• Explain how feedback mechanisms maintain homeostasis using sensing, signaling, and effectors
• Describe how negative feedback loops counter disturbances to keep internal conditions within a preferred range
• Interpret examples of homeostasis in temperature, blood glucose, and water balance+ Show more

Learning Objectives

• Explain how internal structures enable specific functions in organisms (e.g., transport, gas exchange, nutrient uptake).
• Describe how specialized surfaces and barriers regulate movement of substances within organisms.
• Use cause-and-effect reasoning to connect structure to survival and homeostasis.

Learning Objectives

• Explain how meiosis creates genetic variation in gametes through homologous chromosome separation and allele assortment.
• Describe how fertilization combines genetically distinct gametes to produce genetically varied offspring.
• Evaluate how independent assortment, recombination, and random fertilization contribute to differences within a population.

Learning Objectives

• Explain how mutations create genetic variation and how that variation can affect traits.
• Distinguish between genetic changes (DNA sequence) and environmental influences on trait expression.
• Analyze how different types of mutations can be neutral, harmful, or beneficial under specific conditions.+ Show more

Learning Objectives

• Explain how carbon and nitrogen enter living systems and leave them through biological and chemical processes
• Describe the role of decomposers in nutrient cycling and why cycling rates vary by environment
• Connect food webs to biogeochemical cycles using evidence from respiration, decomposition, and uptake

Learning Objectives

• Explain how reproductive isolation prevents gene flow between populations
• Identify major mechanisms that can cause isolation (geographic, ecological, and temporal)
• Describe how mutations and selection accumulate independently after isolation+ Show more

Learning Objectives

• Explain how energy moves through trophic levels from producers to higher-level consumers
• Use models of trophic energy transfer to justify why less energy is available at higher trophic levels
• Describe how energy is allocated to growth, reproduction, and heat loss during metabolism

Learning Objectives

• Explain how scientists evaluate model-based predictions against new evidence from different conditions.
• Describe how discrepancies, uncertainty, and assumptions affect judgments about whether a model is failing or simply varying.
• Compare criteria for choosing among competing models, including explanatory fit, predictive accuracy, and coherence with mechanisms.

Learning Objectives

• Explain how probability helps predict trait frequencies from genotype combinations in reproduction
• Use Punnett-style reasoning to connect genotypes to expected phenotypes
• Interpret real-world observations as probability patterns when traits show non-deterministic outcomes

Learning Objectives

• Explain how air mass temperature and moisture differences lead to weather changes.
• Describe how fronts and pressure differences control lifting, condensation, clouds, and precipitation.
• Interpret how high- and low-pressure systems relate to wind patterns and short-term forecast changes.

Learning Objectives

• Explain how multiple geoscience records (ice cores, sediments, trapped gases) provide evidence of climate change over geologic time
• Identify how greenhouse gases, aerosols, and Earth’s reflectivity interact to influence climate
• Interpret and evaluate claims about climate change using evidence and accurate scientific reasoning

Learning Objectives

• Explain how climate forecasts combine observations with climate model outputs to predict responses of Earth systems.
• Evaluate the credibility of model-based predictions by comparing them with historical trends and measurable indicators.
• Describe major impact categories of climate change forecasts (temperature extremes, precipitation patterns, sea-level rise, and ecosystem impacts) and how uncertainty influences decisions.

Learning Objectives

• Explain how land-use change, extraction, and waste management alter Earth’s material cycles.
• Describe how carbon, nitrogen, phosphorus, and water flows connect across the geosphere, hydrosphere, atmosphere, and biosphere.
• Predict measurable environmental effects (e.g., erosion, nutrient loading, water quality, and greenhouse-gas concentrations).

Learning Objectives

• Explain how hazard mitigation tools reduce harm to Earth systems and human populations
• Evaluate trade-offs among effectiveness, cost, and environmental consequences in mitigation planning
• Use hazard–exposure–vulnerability reasoning to connect solutions to reduced impacts+ Show more

Learning Objectives

• Explain how matter cycles through Earth's systems (geosphere, hydrosphere, atmosphere, biosphere).
• Describe how energy from the Sun and internal heat drives phase changes, transport, and chemical transformations.
• Connect the water cycle and rock cycle to long-term changes in landscapes and the distribution of key substances.

Learning Objectives

• Explain how energy changes occur when chemical bonds form and break.
• Compare energy of reactants and products to determine whether a reaction is exothermic or endothermic.
• Describe how activation energy barriers affect reaction rates and energy profiles.+ Show more

Learning Objectives

• Explain how resource availability influences patterns of human development, including infrastructure and economic choices
• Differentiate renewable and nonrenewable resources in terms of replenishment rates and regional distribution
• Analyze how resource extraction and energy/water use can create byproducts that affect Earth systems+ Show more

Learning Objectives

• Explain how digital communication converts continuous signals into discrete binary representations for storage or transmission
• Describe how sampling rate and bandwidth affect the fidelity and data rate of a digital system
• Evaluate how error correction improves reliability of messages transmitted through noisy channels

Learning Objectives

• Explain how wavelength and frequency relate across the electromagnetic spectrum
• Describe how photon energy affects interactions with matter
• Use absorption, emission, and scattering ideas to interpret characteristic spectra

Learning Objectives

• Explain conservation of energy using an energy accounting approach for interacting system components
• Identify how different energy forms (gravitational potential, kinetic, thermal, and stored field energy) transfer within a system
• Use energy accounting statements to predict what happens when one component loses energy

Learning Objectives

• Distinguish thermal conduction, convection, and radiation as mechanisms of energy transfer
• Explain how temperature changes relate to energy moving between systems
• Analyze why materials can act as insulators or conductors based on energy transfer processes+ Show more

Learning Objectives

• Define momentum as a vector quantity and describe how direction matters in conservation problems
• Explain how impulse and Newton’s third law lead to conservation of total momentum in isolated systems
• Differentiate elastic and inelastic collisions in terms of momentum conservation and kinetic energy changes+ Show more

Learning Objectives

• Explain Newton’s Second Law and describe how net force, mass, and acceleration are related
• Predict how changes in mass affect acceleration when net force remains constant
• Use the direction of the net force to determine the direction of acceleration+ Show more

Learning Objectives

• Explain how momentum depends on both mass and velocity in one-dimensional motion
• Use conservation of momentum to predict directions and outcomes of collisions
• Differentiate elastic and inelastic collisions by relating momentum conservation to kinetic energy changes+ Show more

Learning Objectives

• Explain complete versus incomplete combustion using oxidation of fuels and oxygen availability
• Calculate oxygen demand and relate it to the formation of carbon dioxide and carbon monoxide
• Describe how nitrogen oxides can form at high combustion temperatures+ Show more

Learning Objectives

• Identify chemical reactions using measurable macroscopic evidence such as color change, gas evolution, precipitate formation, and temperature/energy exchange.
• Connect observable particle changes to conservation principles in chemical reactions.
• Interpret statements and scenarios to determine whether chemical evidence supports that a reaction occurred.

Learning Objectives

• Explain how the conservation of mass and conservation of atoms apply to chemical reactions.
• Use balanced chemical equations to connect microscopic atom counts with macroscopic mass measurements.
• Apply mass accounting ideas to predict product amounts and to interpret mass-balance results in closed systems.

Learning Objectives

• Explain how repeated patterns in astronomical observations support model-based explanations of the solar system
• Connect apparent motions, Moon/planet phases, and changing star positions to orbital motion and geometry
• Interpret observational evidence to evaluate predictions from motion models and radiation patterns+ Show more

Learning Objectives

• Use balanced chemical equations to relate moles and masses of reactants and products.
• Apply mole and mass balances to industrial process streams including recycle and losses.
• Determine limiting reagents and interpret yield/efficiency in real production settings.+ Show more

Learning Objectives

• Explain the difference between molecular, complete ionic, and net ionic equations in aqueous reactions
• Write and interpret ionic equations by identifying spectator ions and enforcing charge balance
• Use solubility rules to predict which ions appear in net ionic forms

Learning Objectives

• Determine the limiting reagent using mole-to-mole relationships from a balanced chemical equation
• Identify the excess reagent and calculate the maximum theoretical yield of a product
• Explain how limiting-reagent calculations support industrial optimization and waste reduction

Learning Objectives

• Explain the mole concept and use Avogadro’s number to relate moles to representative particles.
• Convert between grams and moles using molar mass.
• Convert between moles and gas volume at standard conditions using molar volume.+ Show more

Learning Objectives

• Calculate theoretical yield from a balanced chemical equation using moles and limiting reagent.
• Determine percent yield from actual and theoretical product amounts.
• Explain reasons actual yield is less than theoretical yield and interpret what percent yield means for efficiency and sustainability.

Learning Objectives

• Convert between molarity, volume, and moles for aqueous reactions
• Use stoichiometric mole ratios (from balanced equations) to predict reactant and product amounts in solution
• Apply equivalence/neutralization relationships to relate reactant concentrations to volumes at completion

Learning Objectives

• Explain the common ion effect using Le Châtelier’s principle and equilibrium ideas.
• Predict how changing ion concentrations affects the solubility of sparingly soluble salts.
• Apply common ion reasoning to real-world examples such as water treatment and mineral precipitation.

Learning Objectives

• Differentiate strong and weak electrolytes based on ion formation and electrical conductivity
• Explain how ion concentration and mobility affect the ability of solutions to conduct electricity
• Describe (qualitatively) how solute particles influence colligative properties such as freezing point depression

Learning Objectives

• Explain how dissolved ions and solubility equilibria relate to scale formation and precipitation in water systems.
• Describe how temperature changes can shift solubility and affect corrosion risk in infrastructure.
• Interpret chemical data (e.g., conductivity, alkalinity, ion concentrations) to anticipate operational and environmental consequences.

Learning Objectives

• Define molar concentration (molarity) and interpret its meaning in moles per litre.
• Use dimensional analysis to convert between mass, moles, and solution molarity.
• Relate dilution calculations to conservation of moles during concentration changes.+ Show more