Grade 11 Science Worksheets

Learning Objectives

• Define complex design problems using measurable criteria and constraints
• Distinguish criteria, constraints, and stakeholder requirements
• Explain how conceptual models organize design problem information+ Show more

Learning Objectives

• Explain how engineers decompose complex problems into manageable subproblems
• Describe how constraints and trade-offs influence engineering design decisions
• Explain how testing and iteration can improve an engineering design+ Show more

Learning Objectives

• Explain how Hubble's law provides evidence for cosmic expansion.
• Interpret galactic redshift as evidence of large-scale cosmic expansion.
• Explain how cosmic microwave background measurements constrain cosmic history.+ Show more

Learning Objectives

• Identify common energy conversions among major energy forms
• Explain how energy losses affect device efficiency
• Analyze test results to evaluate device performance+ Show more

Learning Objectives

• Explain how complementary base pairing supports accurate DNA replication
• Describe how transcription produces messenger RNA from DNA
• Explain how translation connects codons with amino acid sequences+ Show more

Learning Objectives

• Explain how interference supports the wave model of electromagnetic radiation
• Describe how diffraction provides evidence for wave behavior
• Explain how the photoelectric effect supports the particle model+ Show more

Learning Objectives

• Use mole ratios to relate reactant and product amounts
• Calculate limiting reactants, theoretical yield, and percent yield
• Convert between mass, moles, and gas volume+ Show more

Learning Objectives

• Explain how predictive models represent interactions among Earth systems
• Describe how scenarios improve projections of possible future conditions
• Explain how model validation supports confidence in projections+ Show more

Learning Objectives

• Calculate mechanical power using work and elapsed time
• Calculate electrical power using current and voltage
• Compare predicted and observed power using measured data+ Show more

Learning Objectives

• Explain how independent evidence supports common ancestry
• Distinguish fossil, anatomical, molecular, and biogeographic evidence
• Analyze concordant evidence for lineage relationships+ Show more

Learning Objectives

• Explain how atomic orbitals combine to form molecular orbitals
• Compare bonding and antibonding orbitals by formation and relative energy
• Distinguish conductors, semiconductors, and insulators using band gaps+ Show more

Learning Objectives

• Explain how temperature changes can influence solubility.
• Distinguish dissolved ions from precipitates and mineral scale.
• Describe how water composition can influence corrosion.+ Show more

Learning Objectives

• Explain how electron-group repulsion determines molecular geometry
• Identify five common electron-group geometries and their ideal angles
• Distinguish bonding pairs from nonbonding electron pairs+ Show more

Learning Objectives

• Explain how fluctuating electron distributions create instantaneous dipoles
• Describe how induced dipoles produce London dispersion attractions
• Compare dispersion force strength using molecular size and polarizability+ Show more

Learning Objectives

• Define ionic strength using ion concentrations and electric charges.
• Explain how ionic strength influences ion activity.
• Describe the role of activity coefficients in non-ideal solutions.+ Show more

Learning Objectives

• Distinguish mass percent, volume percent, and parts per million
• Calculate mass percent using solute mass and total solution mass
• Calculate volume percent using solute and solution volumes+ Show more

Learning Objectives

• Explain how adding a common ion shifts solubility equilibrium
• Apply Le Châtelier’s principle to sparingly soluble salts
• Predict how common ions affect salt solubility+ Show more

Learning Objectives

• Explain Henry’s law at constant temperature under suitable conditions.
• Predict how partial pressure changes affect dissolved gas concentration.
• Interpret gas–liquid equilibrium in carbonated drinks.+ Show more

Learning Objectives

• Explain how permanent molecular dipoles produce intermolecular attractions.
• Predict how molecular orientation affects dipole–dipole attraction.
• Describe how temperature influences favourable molecular alignment.+ Show more

Learning Objectives

• Interpret solubility curves to determine solute solubility at different temperatures
• Distinguish unsaturated, saturated, and supersaturated solutions using graph positions
• Compare temperature effects on the solubility of solid salts and gases+ Show more

Learning Objectives

• Calculate unknown acid concentrations using titration measurements.
• Apply balanced chemical equations to determine stoichiometric mole ratios.
• Distinguish equivalence points from indicator endpoints in titrations.+ Show more

Learning Objectives

• Define degree of dissociation using the fraction of molecules ionized.
• Calculate percent dissociation from a given degree of dissociation.
• Explain how initial concentration affects weak acid dissociation.+ Show more

Learning Objectives

• Distinguish unsaturated, saturated, and supersaturated solutions
• Explain dynamic equilibrium between dissolved particles and excess solid
• Predict how temperature and evaporation can promote precipitation+ Show more

Learning Objectives

• Explain conservation of mass during chemical reactions
• Compare atom counts in reactants and products
• Calculate expected mass in a closed reaction system+ Show more

Learning Objectives

• Explain how electronegativity differences produce partial charges in covalent bonds.
• Represent bond dipoles as vectors pointing toward more electronegative atoms.
• Compare molecular polarity using molecular geometry and bond dipole cancellation.+ Show more

Learning Objectives

• Identify valence electrons, bonding pairs, and lone pairs in Lewis structures.
• Construct Lewis structures for common molecules using electron-pair notation.
• Evaluate proposed Lewis structures by comparing formal charges.+ Show more

Learning Objectives

• Explain how bond polarity and bond strength influence acid strength
• Compare oxyacid strength using oxidation states and molecular structure
• Describe how electronegativity stabilizes conjugate bases+ Show more

Learning Objectives

• Distinguish exothermic and endothermic reactions using the sign of ΔH
• Calculate reaction enthalpy using standard enthalpies of formation
• Apply stoichiometric coefficients when calculating energy changes+ Show more

Learning Objectives

• Identify the locations, charges, and roles of subatomic particles.
• Determine electron configurations from atomic numbers.
• Explain how valence electrons influence ion formation and reactivity.+ Show more

Learning Objectives

• Explain how ionic, covalent, and metallic bonding affect material properties.
• Compare conductivity, melting point, hardness, and solubility across materials.
• Interpret bonding models to explain diamond and graphite properties.+ Show more

Learning Objectives

• Explain how pH relates to hydrogen ion concentration
• Classify aqueous solutions as acidic, neutral or basic at 25°C
• Calculate pH from hydrogen ion concentration+ Show more

Learning Objectives

• Calculate hydrogen ion concentration from a given pH
• Calculate hydroxide ion concentration from a given pOH
• Determine pH and pOH from ion concentrations+ Show more

Learning Objectives

• Compare electron transfer, sharing, and delocalisation in chemical bonds
• Describe ionic lattices, covalent molecules, and metallic structures
• Explain electrical conductivity using mobile ions and electrons+ Show more

Learning Objectives

• Identify the analyte, titrant, indicator, endpoint, and equivalence point.
• Explain how titration determines an unknown solution concentration.
• Calculate acid concentration using titration volumes and stoichiometric ratios.+ Show more

Learning Objectives

• Identify observable evidence of chemical reactions in experimental situations
• Distinguish chemical reactions from physical changes using observations
• Explain how precipitate formation can remove dissolved ions+ Show more

Learning Objectives

• Distinguish the equivalence point from the observed titration endpoint.
• Interpret indicator transition ranges in relation to titration curves.
• Select suitable indicators for different acid-base titrations.+ Show more

Learning Objectives

• Calculate moles from molarity and solution volume in litres
• Determine unknown solution concentrations using titration data
• Apply balanced chemical equation mole ratios to reaction calculations+ Show more

Learning Objectives

• Explain how polyprotic acids release protons in successive steps
• Interpret stepwise acid dissociation constants and compare their relative values
• Identify buffer regions and equivalence points on titration curves+ Show more

Learning Objectives

• Explain how electronegativity differences affect electron distribution
• Compare the polarity of water and carbon dioxide
• Interpret molecular geometry and bond dipoles to predict polarity+ Show more

Learning Objectives

• Interpret balanced chemical equations to determine industrial mole ratios
• Calculate theoretical yields and percentage yields from reaction data
• Explain how limiting and excess reactants affect production+ Show more

Learning Objectives

• Define empirical formulas as simplest whole-number atomic ratios.
• Convert elemental masses and percentages into mole amounts.
• Calculate empirical formulas by simplifying elemental mole ratios.+ Show more

Learning Objectives

• Use balanced equations to determine acid-base neutralization mole ratios.
• Calculate moles using molarity and solution volume in litres.
• Determine unknown reagent volumes, concentrations, and masses using stoichiometry.+ Show more

Learning Objectives

• Explain how intermolecular attractions influence vapour pressure and boiling point.
• Compare how molecular size and polarity affect boiling behaviour.
• Interpret phase diagrams to describe physical states under changing conditions.+ Show more

Learning Objectives

• Explain how balanced equations demonstrate conservation of atoms
• Balance chemical equations using stoichiometric coefficients
• Classify synthesis, decomposition, displacement, and combustion reactions+ Show more

Learning Objectives

• Distinguish complete and incomplete combustion using reaction products
• Calculate stoichiometric oxygen requirements for methane combustion
• Interpret coefficients in balanced combustion equations+ Show more

Learning Objectives

• Explain atomic radius trends across periods and down groups
• Compare ionization energy with electronegativity
• Predict cation and anion formation from periodic trends+ Show more

Learning Objectives

• Define electronegativity and explain its role in covalent bonding
• Describe electronegativity trends across periods and down groups
• Distinguish polar covalent bonds from nonpolar covalent bonds+ Show more

Learning Objectives

• Define theoretical yield, actual yield, and percent yield accurately
• Calculate theoretical yield using a balanced chemical equation
• Identify the limiting reagent from available reactant quantities+ Show more