Grade 12 Science Worksheets

Learning Objectives

• Understand the concept of gravitational fields as long-range forces producing central accelerations.
• Define gravitational potential and potential energy in two-body systems.
• Analyze how field strength varies with distance from mass sources.+ Show more

Learning Objectives

• Understand the different mechanisms of speciation such as allopatric, sympatric, and peripatric.
• Identify factors that contribute to reproductive isolation and divergence among species.
• Describe examples of speciation processes in Alberta's alpine plants and insects.+ Show more

Learning Objectives

• Explain how erosion and transport reshape Earth’s surface through water, wind, ice, and gravity
• Describe how weathering and sorting of sediments create identifiable landforms and depositional clues
• Interpret geological evidence (stratigraphy, landform patterns, elevation, and slope) to link surface change to deep Earth processes

Learning Objectives

• Explain how evidence synthesis combines multiple lines of data to evaluate competing scientific hypotheses.
• Compare meta-analytic reasoning and model-comparison metrics as tools for weighing evidence.
• Apply causal criteria and corroboration checks to resolve conflicts between paleoclimate proxies and instrumental records.+ Show more

Learning Objectives

• Explain how calibration, accuracy, precision, and traceability support trustworthy measurements in lab and industry settings.
• Describe how repeatability and systematic bias can be quantified and corrected using calibration models.
• Interpret how measurement uncertainty affects derived parameters and the limits of data analysis and reporting.

Learning Objectives

• Explain how priors, likelihoods, and posteriors combine to quantify uncertainty in a Bayesian framework.
• Contrast frequentist and Bayesian interpretations of probability using real scientific examples.
• Use probability statements to make decision-relevant conclusions and communicate uncertainty.

Learning Objectives

• Explain how effective nuclear charge and electron shielding influence periodic trends such as atomic radius and ionization energy.
• Predict how ion formation relates to periodic patterns in electronegativity and metallic character.
• Connect periodic position to observable macroscopic behavior, including reactivity and typical bonding tendencies.

Learning Objectives

• Interpret stratigraphic sequences and identify what unconformities and fossils suggest about relative time.
• Use radiometric age information with stratigraphy to build coherent chronologies of geologic events.
• Explain how depositional environments, diagenesis, and metamorphic overprinting can modify the rock record.

Learning Objectives

• Explain how enzyme kinetics and steady-state assumptions help predict changes in metabolic flux.
• Compare major control mechanisms: allosteric modulation, feedback inhibition, and hormonal regulation.
• Distinguish regulation at transcriptional, translational, and post-translational levels and predict physiological outcomes.

Learning Objectives

• Explain how historical and modern atomic models represent subatomic structure (nucleus and electron cloud).
• Use evidence from spectra and scattering to argue for discrete (quantized) energy states in atoms.
• Describe how quantum numbers and orbital shapes help connect atomic structure to chemical behavior.

Learning Objectives

• Explain major drivers of sea level variability, including thermal expansion and land-ice mass loss.
• Describe how tide-gauge records, satellite altimetry, and coastal stratigraphy are used to infer sea level change.
• Use the idea of “fingerprinting” to connect observed patterns to likely causes and interpret uncertainties in projections.+ Show more

Learning Objectives

• Identify major Earth system components (atmosphere, hydrosphere, biosphere, geosphere) and describe how they exchange energy and mass.
• Use basic energy and mass balance ideas to explain steady-state vs transient system responses and coupling mechanisms.
• Apply vocabulary (flux, feedback, cycle, reservoir) to interpret simple system diagrams and observational descriptions.

Learning Objectives

• Understand molecular interactions and energy transfer mechanisms
• Construct basic molecular models illustrating energy flow
• Analyze how molecular processes influence cellular and larger system behaviors+ Show more

Learning Objectives

• Understand basic Earth processes through simplified models
• Identify different types of models used in Earth sciences
• Analyze the purpose and limitations of Earth system models+ Show more

Learning Objectives

• Understand the different types of sediment environments and their characteristics
• Recognize the significance of sediment composition and fossil content in environmental analysis
• Identify proxies used for past environmental states in sedimentary records+ Show more

Learning Objectives

• Understand the concept of sea-floor spreading at mid-ocean ridges.
• Recognize how magnetic striping records Earth's magnetic history.
• Interpret patterns of magnetic anomalies and radiometric age data.+ Show more

Learning Objectives

• Explain what phylogenetic trees represent in evolutionary biology.
• Identify key parts of a phylogenetic tree.
• Distinguish between homologous traits and analogous similarities.+ Show more

Learning Objectives

• Understand the concept of matter-wave duality in quantum physics
• Explain how particles can exhibit wave-like behaviors such as diffraction and interference
• Connect quantum wavefunctions to atomic energy levels and spectral lines+ Show more

Learning Objectives

• Understand the basic process of photosynthesis
• Identify the role of sunlight, water, and carbon dioxide in plant energy production
• Explain how cellular respiration releases energy from sugars+ Show more

Learning Objectives

• Understand how camouflage functions as an adaptation for survival.
• Identify tradeoffs associated with camouflage in animals.
• Analyze how environmental conditions influence adaptive traits.+ Show more

Learning Objectives

• Understand the causes of erosion.
• Identify signs and evidence of erosion in the environment.
• Recognize landforms created by erosion and sediment transport.

Learning Objectives

• Understand the process of star formation from interstellar clouds
• Identify the main stages of stellar evolution based on star mass
• Describe how stars develop from birth to end stages such as supernovae or white dwarfs

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Understand the concept of chemical equilibrium in reversible reactions.
• Identify the factors that influence the position of equilibrium according to Le Chatelier’s principle.
• Interpret equilibrium constant expressions and their significance in chemical reactions.+ Show more

Learning Objectives

• Identify and describe the different types of intermolecular forces.
• Understand the role of London dispersion forces, dipole-dipole interactions, and hydrogen bonding.
• Relate intermolecular forces to physical properties of substances such as boiling points, surface tension, and solubility.+ Show more

Learning Objectives

• Understand the key processes involved in mountain formation
• Identify different types of tectonic interactions that create mountains
• Describe how geological evidence reconstructs past mountain-building events+ Show more

Learning Objectives

• Understand the concept of momentum as a product of mass and velocity.
• Learn how to calculate momentum and analyze its conservation during collisions.
• Distinguish between elastic and inelastic collisions based on kinetic energy changes.+ Show more

Learning Objectives

• Understand the different ways waves interact with matter, including absorption, reflection, refraction, and transmission.
• Explain how wave properties and material properties influence wave interactions.
• Describe real-world examples of wave-matter interactions and their effects.

Learning Objectives

• Understand Newton’s third law: forces occur in equal and opposite pairs
• Identify action and reaction forces in various scenarios
• Explain how forces in pairs affect object motion+ Show more

Learning Objectives

• Interpret velocity versus time graphs
• Understand acceleration and its effect on velocity
• Apply mathematical relationships to motion scenarios+ Show more

Learning Objectives

• Understand the concept of trade-offs in scientific and environmental decision-making.
• Identify different impacts—environmental, economic, and social—in design solutions.
• Analyze how optimizing one goal may worsen another constraint.+ Show more

Learning Objectives

• Understand how gravity explains the formation and evolution of galaxies
• Identify the role of gravitational interactions in cosmic structures
• Analyze evidence supporting gravity’s influence on matter distribution in space

Learning Objectives

• Understand the concept of phase changes and energy transfer
• Identify different phase changes and their characteristics
• Explain why temperature remains constant during certain phase changes+ Show more

Learning Objectives

• Understand the basic concepts of particles involved in chemical reactions
• Describe how bonds break and form during reactions
• Connect microscopic particle behavior with observable evidence of reactions+ Show more

Learning Objectives

• Identify positive and negative charges in atoms and molecules
• Understand the concept of electrostatic force and Coulomb's law
• Explain how charges interact to form stable structures in substances+ Show more

Learning Objectives

• Understand the basic concepts of gene expression.
• Identify the steps involved in transcription and translation.
• Explain how gene regulation affects cell function and phenotype.+ Show more

Learning Objectives

• Understand what reaction rates are and how they are measured
• Identify factors that influence the speed of chemical reactions
• Explain the concept of activation energy and its effect on reaction speed+ Show more

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Understand the principle of conservation of atoms in chemical reactions.
• Recognize that atoms are neither created nor destroyed during reactions.
• Learn how to balance chemical equations based on atom conservation.+ Show more

Learning Objectives

• Understand the processes involved in the water cycle
• Identify key components such as evaporation, condensation, and precipitation
• Explain how water moves through different environmental states

Learning Objectives

• Understand how resource competition affects different species
• Recognize the impact of resource scarcity on population dynamics
• Learn how models explain changes in population and resource distribution

Learning Objectives

• Understand measures of central tendency: mean, median, mode.
• Interpret data variability and spread.
• Recognize how confidence statements relate to underlying populations.+ Show more

Learning Objectives

• Understand the concept of activation energy and its role in chemical reactions
• Identify activation energy in reaction energy profiles
• Explain how catalysts alter reaction pathways to lower activation energy+ Show more

Learning Objectives

• Understand the concept of decomposing complex problems into manageable subsystems
• Identify subsystems within a larger scientific or engineering problem
• Recognize the relationships between subsystems and overall system stability+ Show more

Learning Objectives

• Understand how net force influences the acceleration of an object
• Recognize how vector sum determines acceleration with multiple forces
• Describe how force direction and magnitude affect an object's motion+ Show more

Learning Objectives

• Understand how bacterial populations develop antibiotic resistance through natural selection
• Identify evidence supporting evolution from real-world examples
• Analyze how traits in populations change over time due to selection pressures

Learning Objectives

• Understand key concepts related to Science
• Apply knowledge through practice questions
• Demonstrate comprehension of the material

Learning Objectives

• Understand how the atmosphere, oceans, land, and ice interact to influence Earth's climate
• Identify feedback mechanisms within the Earth system
• Analyze the effects of surface interactions and energy redistribution on weather patterns