Grade 12 Science Worksheets

Learning Objectives

• Understand the relationship between nuclear mass and energy
• Explain the concept of mass defect and binding energy
• Describe nuclear decay, fusion, and fission processes+ Show more

Learning Objectives

• Identify independent, dependent, and confounding variables in biological and environmental investigations.
• Select appropriate strategies to control confounding variables, including randomization and matched controls.
• Explain how blinding and replication reduce bias and improve the reliability of conclusions.+ Show more

Learning Objectives

• Define and differentiate among codominance, incomplete dominance, and multiple gene inheritance.
• Explain how allele interactions influence phenotype expressions in non-Mendelian traits.
• Apply probability concepts to predict outcomes of non-Mendelian inheritance patterns.+ Show more

Learning Objectives

• Describe the biochemical pathways involved in energy capture and conversion in cells.
• Explain the processes of photosynthesis and cellular respiration, including light and dark reactions.
• Compare aerobic and anaerobic respiration pathways and their energy yields.+ Show more

Learning Objectives

• Explain how mass defect in nuclear reactions relates to energy released or absorbed.
• Use conservation of mass/energy and particle counts to describe nuclear decay and nuclear reactions.
• Interpret binding energy and radiation energy as evidence of changes in nuclear structure.

Learning Objectives

• Explain how impulse relates to the change in momentum using a force-time viewpoint.
• Use vector ideas to describe impulse and momentum direction during collisions.
• Compare different force-time contact scenarios that produce the same change in momentum.

Learning Objectives

• Distinguish codominance and incomplete dominance from complete dominance using phenotype outcomes
• Explain how multiple genes can produce complex inheritance patterns beyond monohybrid ratios
• Connect genotype combinations to measurable probabilities while accounting for allele interactions and recombination

Learning Objectives

• Identify independent, dependent, and confounding variables in experimental designs.
• Understand strategies for controlling variables including randomization and blinding.
• Interpret causal inferences from observational and controlled experiments.+ Show more

Learning Objectives

• Explain how incoming solar energy is absorbed and reflected, and how that affects surface temperatures
• Describe how Earth redistributes energy through radiation, conduction, and convection
• Connect seasonal changes and latitude to differences in solar heating+ Show more

Learning Objectives

• Explain how complex engineering problems can be decomposed into smaller, solvable design subproblems
• Describe how decomposition preserves relationships among subsystems through interfaces, constraints, and coordination
• Apply decomposition to an example resilient infrastructure system by identifying subsystems, criteria, and logistics

Learning Objectives

• Describe the biochemical pathways involved in energy capture and conversion, including photosynthesis and cellular respiration.
• Explain the mechanisms of electron transport chains and chemiosmotic ATP synthesis.
• Compare energy yields of photosynthesis, glycolysis, Krebs cycle, and oxidative phosphorylation.+ Show more

Learning Objectives

• Understand the concept of mass defect in nuclear reactions
• Explain how mass defect relates to energy release
• Identify nuclear processes involving mass change+ Show more

Learning Objectives

• Analyze human activities that impact land, water, and air ecosystems.
• Identify key human-induced stressors such as pollution pathways and habitat loss.
• Interpret case phenomena like agricultural runoff and coastal development.+ Show more

Learning Objectives

• Explain how the Earth’s energy balance is influenced by incoming solar radiation and outgoing energy.
• Describe how absorption, reflection, and heat transfer processes (radiation, conduction, convection) affect surface and atmospheric temperatures.
• Analyze how Earth’s tilt and rotation contribute to seasonal and latitude-based differences in solar heating.+ Show more

Learning Objectives

• Formulate scientific claims grounded in evidence from observations, measurements, and data.
• Use warrants and qualifiers to explain how evidence supports a claim and to limit overgeneralization.
• Evaluate competing hypotheses by judging evidence strength and logical consistency.+ Show more

Learning Objectives

• Explain the biochemical pathways involved in energy capture and conversion, including photosynthesis and cellular respiration.
• Identify the roles of electron transport chains and chemiosmotic ATP synthesis in energy production.
• Compare the energy yields of different metabolic pathways such as glycolysis, Krebs cycle, and oxidative phosphorylation.+ Show more

Learning Objectives

• Explain how heating and work transfer energy to change a system’s internal energy (ΔU) without changing or with changing the system’s state.
• Analyze how pressure–volume conditions affect the energy required for the same temperature change.
• Use energy accounting ideas to predict temperature response, expansion, and phase-change behavior under different thermodynamic constraints.

Learning Objectives

• Explain how to present a scientific hypothesis and interpret data clearly during an oral question-and-answer exchange.
• Apply slide and poster session communication norms, including concise abstracting and responsible timing.
• Use precise technical terminology appropriately for disciplinary audiences while maintaining clarity for community-facing listeners.

Learning Objectives

• Understand how force over time relates to change in momentum.
• Explain the concept of impulse as the area under a force-time graph.
• Recognize the importance of direction in impulse and momentum calculations.+ Show more

Learning Objectives

• Explain the relationship between impulse and change in momentum using vector ideas
• Use impulse as the area under a force–time graph to predict momentum change
• Compare how different force–time profiles can produce the same impulse

Learning Objectives

• Explain the impulse–momentum theorem using vector ideas of force, impulse, and momentum
• Interpret force–time information to determine impulse and relate it to changes in momentum
• Analyze why longer contact times reduce peak force while producing the same momentum change

Learning Objectives

• Understand different methods of heat transfer: conduction, convection, radiation
• Identify characteristics of each heat transfer method
• Explore how energy transfer affects a system's internal energy+ Show more

Learning Objectives

• Define and distinguish between codominance, incomplete dominance, and other non-Mendelian inheritance patterns.
• Identify different inheritance types based on genetic crosses and phenotypic outcomes.
• Explain how multiple genes influence complex traits and cause variation in phenotypes.+ Show more

Learning Objectives

• Explain how allele interactions (codominance and incomplete dominance) affect phenotype outcomes compared with simple dominance.
• Interpret inheritance patterns that involve multiple genes and predict how genotype combinations influence measurable traits.
• Evaluate probability-based expectations by connecting Punnett-style outcomes to recombination and underlying genetic mechanisms.

Learning Objectives

• Explain how ATP and NADPH/NADH are generated through electron transport chains and chemiosmosis in photosynthesis and cellular respiration.
• Compare aerobic and anaerobic energy pathways, including differences in ATP yield and the role of oxygen.
• Connect major metabolic pathways (glycolysis, Krebs cycle, Calvin cycle, and oxidative phosphorylation) to show how matter and energy move through cells.

Learning Objectives

• Understand how to effectively translate technical scientific findings for diverse audiences.
• Identify principles of accurate risk communication and ethical considerations.
• Learn strategies for framing messages for different stakeholders using clear language and analogies.+ Show more

Learning Objectives

• Understand the process of photosynthesis and its importance in energy capture.
• Identify the main phases of the Calvin cycle and light-dependent reactions.
• Explain how energy is transferred and stored during photosynthesis.+ Show more

Learning Objectives

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

Learning Objectives

• Identify independent, dependent, and confounding variables in experiments.
• Understand strategies for controlling variables, including randomization and blinding.
• Interpret the role of variables control in reducing bias and improving experiment validity.+ Show more

Learning Objectives

• Explain how land-use conversion, industrial emissions, pollution pathways, and urbanization contribute to environmental change in air, water, and soil systems
• Analyze case phenomena (agricultural runoff, point-source contamination, coastal development) to connect human pressures to ecosystem degradation
• Interpret sustainability and policy-relevant metrics such as habitat loss rates and contamination concentration trends to evaluate human-induced stress

Learning Objectives

• Understand how to formulate claims grounded in evidence using logical frameworks.
• Identify and evaluate warrants and qualifiers in scientific arguments.
• Analyze multiple lines of inquiry to support scientific conclusions.+ Show more

Learning Objectives

• Deliver an oral scientific presentation with a clear hypothesis, method overview, evidence-based results, and defensible conclusions.
• Apply slide and timing norms by matching visuals to claims and keeping explanations concise and interpretable.
• Interpret data during question exchanges using precise technical terminology and transparent reasoning.

Learning Objectives

• Describe the process of photosynthesis, including light-dependent and light-independent reactions.
• Identify key biochemical pathways involved in energy capture and conversion.
• Explain the role of electron transport chains and ATP synthesis in cellular respiration.+ Show more

Learning Objectives

• Understand the principles of effective oral scientific communication.
• Identify key components of a clear and concise presentation.
• Apply best practices in slide design and data interpretation.+ Show more

Learning Objectives

• Understand the different types of energy and their transformations.
• Identify real-world examples of energy conversions.
• Explain the laws governing energy conservation and transfer.+ Show more

Learning Objectives

• Understand the concept of problem decomposition in engineering design.
• Identify how relationships among subsystems are preserved during decomposition.
• Analyze the role of criteria and constraints in guiding problem decomposition.+ Show more

Learning Objectives

• Understand the concept of decomposing complex systems into smaller subsystems.
• Identify the relationships among different components within a system.
• Analyze how choices at the subsystem level influence the overall system design.+ Show more

Learning Objectives

• Understand different audience types and their information needs.
• Learn how to adapt scientific messages for clarity and accessibility.
• Recognize ethical considerations in science communication.+ Show more

Learning Objectives

• Understand how energy transfer processes affect a system’s internal energy.
• Explain the mechanisms of heating and work in thermodynamics.
• Analyze how different conditions influence energy transfer during temperature changes.+ Show more

Learning Objectives

• Understand how heat transfers energy without changing matter
• Identify different energy transfer mechanisms in thermodynamics
• Link thermodynamic variables to observable effects such as expansion and phase change+ Show more

Learning Objectives

• Explain how photosynthetic light reactions and dark reactions convert energy and manage electron flow.
• Compare aerobic and anaerobic cellular respiration in terms of energy yield and end products.
• Describe how electron transport chains and chemiosmosis drive ATP synthesis across membranes.

Learning Objectives

• Explain how codominance and incomplete dominance produce heterozygote phenotypes that differ from simple dominance
• Describe how allele recombination during meiosis affects genotype combinations and therefore probabilities of phenotypic outcomes
• Analyze polygenic (multiple-gene) inheritance patterns by connecting genotype contributions to measurable traits

Learning Objectives

• Analyze human activities such as land-use change, emissions, and urbanization on ecosystems.
• Identify key human-induced environmental stressors and their pathways.
• Evaluate metrics used to assess environmental degradation due to anthropogenic pressures.+ Show more

Learning Objectives

• Explain how incoming solar radiation and outgoing infrared radiation determine Earth’s energy balance
• Describe how radiation, conduction, and convection redistribute energy within the Earth system
• Interpret how latitude and surface properties (including albedo) influence heating and temperature+ Show more

Learning Objectives

• Define impulse and explain its relationship to force and time.
• Interpret force versus time graphs to identify impulse.
• Understand the concept of momentum and how impulse affects it.+ Show more

Learning Objectives

• Explain how complex real-world engineering problems can be decomposed into smaller design subproblems while preserving system relationships.
• Identify how criteria and constraints at the top level guide choices for structure, control, materials, and logistics in an integrated solution.
• Apply decomposition reasoning to resilient infrastructure by linking load-bearing geometry, foundation stability, monitoring, and maintenance demands.

Learning Objectives

• Explain how the mass defect in nuclear reactions relates to binding energy and the energy released or absorbed.
• Apply conservation of particles (nucleons and charge) to describe nuclear fission, fusion, and decay chains.
• Describe how radiation carries away energy and how that connects nuclear structure to observable effects.

Learning Objectives

• Understand the principles of effective oral scientific presentation
• Identify components of a clear hypothesis
• Learn slide design norms and timing constraints+ Show more