Grade 12 Worksheets

Learning Objectives

• Explain how reaction energy profiles represent pathways, reactants, products, and the highest-energy transition state.
• Describe activation energy as the energy difference between reactants and the transition state configuration.
• Evaluate how catalysts provide alternative pathways with lower activation energy and increased reaction rate.+ Show more

Learning Objectives

• Explain the principle of conservation of linear momentum in isolated systems.
• Define momentum and impulse, and describe their relationship.
• Differentiate between elastic and inelastic collisions through momentum and energy analysis.+ Show more

Learning Objectives

• Understand key principles of translating scientific findings into accessible formats for the public.
• Identify strategies to communicate risks accurately without overstating claims.
• Evaluate the use of analogies, plain language, and visuals like infographics in science communication.+ Show more

Learning Objectives

• Explain how sampling choices and sampling frames affect who results represent in a survey.
• Construct survey questions that minimize measurement error and reduce response bias.
• Analyze how digital administration and statistical generalization influence validity and ethical reporting.+ Show more

Learning Objectives

• Explain energy exchange during simple harmonic motion of springs and pendulums.
• Identify the roles of potential and kinetic energy in oscillatory systems.
• Analyze how amplitude affects energy transfer and damping effects.+ Show more

Learning Objectives

• Understand the principles of nuclear fission and fusion reactions.
• Explain the concept of binding energy per nucleon and its significance.
• Analyze chain-reaction criteria and reactor physics principles for energy production.+ Show more

Learning Objectives

• Analyze how variations in effective nuclear charge influence periodic trends.
• Compare trends in ionization energy, electron affinity, and atomic radius across periods and down groups.
• Apply graphical and quantitative methods to rationalize anomalies in periodic patterns.+ Show more

Learning Objectives

• Explain the concept of chemical equilibrium as a dynamic process balancing forward and reverse reactions.
• Determine the significance of the equilibrium constant and how it describes reaction composition.
• Relate concentration and pressure effects to shifts in equilibrium position.+ Show more

Learning Objectives

• Understand the trends in atomic properties across the periodic table.
• Relate electronic structure to observable properties such as reactivity.
• Use graphs and tables to analyze periodic behavior of elements.+ Show more

Learning Objectives

• Explain the principles and procedures for assigning electron configurations to atoms.
• Identify orbital filling order and apply Hund's rule in electron assignments.
• Describe common exceptions in electron configurations, especially in transition elements.+ Show more

Learning Objectives

• Describe the three main types of intermolecular forces: dispersion, dipole–dipole, and hydrogen bonding.
• Explain how intermolecular forces influence physical properties such as boiling point, vapor pressure, viscosity, and solubility.
• Analyze the role of molecular size, shape, and polarity in mediating intermolecular interactions.+ Show more

Learning Objectives

• Explain molecular orbital theory and its application to diatomic and extended systems.
• Analyze bonding order, delocalization, and electronic structure using energy-level diagrams.
• Differentiate between localized and delocalized bonding models and their empirical implications.+ Show more

Learning Objectives

• Develop quantitative strategies for analyzing chemical equilibrium using ICE tables and reaction quotients.
• Apply algebraic methods to calculate equilibrium concentrations and constants.
• Interpret the effects of pressure changes and common-ion effects on equilibrium position.+ Show more

Learning Objectives

• Understand the quantitative relationships in chemical reactions using the mole concept.
• Apply methods to calculate limiting reactant, theoretical yield, and percent yield from mass and mole data.
• Use symbolic and arithmetic relationships to connect mass, particle counts, and molar relationships.+ Show more

Learning Objectives

• Understand advanced stoichiometric calculations involving concentration, molarity, and dilution.
• Apply limiting reagent analysis within titration and volumetric contexts.
• Connect laboratory measurements to mole-based predictions using symbolic manipulation and dimensional analysis.+ Show more

Learning Objectives

• Explain the principles of valence-shell electron-pair repulsion and hybridization in predicting molecular shapes.
• Describe how molecular geometry influences polarity and symmetry.
• Analyze three-dimensional structures and schematics to relate lone pairs, bonds, and resonance to overall shape.+ Show more

Learning Objectives

• Understand the development and features of historical atomic models.
• Describe modern atomic structures, including nucleus, electron cloud, and energy levels.
• Explain evidence supporting quantized energy states and nuclear mass.+ Show more

Learning Objectives

• Describe the principal types of chemical bonding: ionic, covalent, and metallic.
• Explain how charge distribution, lattice structures, and shared electrons define bond types.
• Relate bond types to bulk properties such as electrical conductivity, melting point, and solubility.+ Show more

Learning Objectives

• Identify different types of scientific data visualizations such as scatter plots, histograms, boxplots, and line graphs.
• Understand the basic purpose and appropriate use of each type of graph or chart.
• Recognize key features of data visuals, including axis labels, scale types, error bars, and statistical annotations.+ Show more

Learning Objectives

• Identify different types of chemical bonds, focusing on ionic bonds.
• Explain the formation of ionic bonds between atoms.
• Recognize examples of ionic compounds and their properties.+ Show more

Learning Objectives

• Understand the principles of VSEPR theory to predict molecular shapes
• Identify electron pairs (bonding and lone pairs) around central atoms
• Determine bond angles from electron pair arrangements+ Show more

Learning Objectives

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

Learning Objectives

• Recognize and describe the key features of historical atomic models, including Dalton's billiard ball model, Thomson's plum pudding model, and Rutherford's nuclear model.
• Understand the evolution of atomic theory based on experimental evidence and technological advancements.
• Explain how atomic models influence our comprehension of atomic structure, behavior, and real-world applications such as isotopic dating and uranium deposits.

Learning Objectives

• Understand fundamental concepts of statistical summaries used in environmental monitoring.
• Interpret confidence intervals and hypothesis evaluations related to water quality data.
• Recognize how measurement errors propagate in environmental assessments.+ Show more

Learning Objectives

• Understand the fundamental forces that influence motion
• Apply Newton’s three laws to analyze mechanical situations
• Interpret free-body diagrams and calculate net forces+ Show more

Learning Objectives

• Define chemical equilibrium and describe its characteristics.
• Understand Le Chatelier’s principle and how it predicts shifts in equilibrium.
• Apply the concept of equilibrium constants to real-world chemical reactions.+ Show more

Learning Objectives

• Define and explain the concept of centripetal force.
• Describe the relationship between tangential speed and radius in circular motion.
• Identify the forces acting on an object moving in a circle.+ Show more

Learning Objectives

• Identify factors that influence population size
• Understand models of population growth
• Analyze the effects of environmental factors on populations

Learning Objectives

• Understand how light reflects and forms images using ray models
• Apply laws of reflection and refraction to optical problems
• Identify the importance of mirrors and lenses in daily life and scientific applications+ Show more

Learning Objectives

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

Learning Objectives

• Understand the basic concepts of recombinant DNA techniques
• Identify common tools used in genetic modification
• Explain how recombinant methods are applied in real-world scenarios

Learning Objectives

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

Learning Objectives

• Understand the components involved in gene regulation and how they interact.
• Identify different types of regulatory molecules such as transcription factors and noncoding RNAs.
• Explain how epigenetic modifications influence gene expression.+ Show more

Learning Objectives

• Analyze how Hispanic individuals have influenced society in science, politics, arts, and activism.
• Use topic vocabulary to explain connections between cultural contributions and social progress.
• Evaluate cause-and-effect relationships between public actions and long-term community impact.+ Show more

Learning Objectives

• Explain how meiotic chromosome behavior, recombination, and linkage influence molecular inheritance patterns.
• Interpret recombination frequency and connect it to physical and genetic maps using molecular marker evidence.
• Differentiate single-gene inheritance effects from polygenic influences and predict outcomes of chromosomal anomalies.+ Show more

Learning Objectives

• Analyze scientific claims using evidence, warrants, and qualifiers.
• Evaluate the strength of evidence and logical frameworks in argumentation.
• Integrate multiple lines of inquiry to support scientific conclusions.+ Show more

Learning Objectives

• Explain how variation, differential survival, and reproduction can change allele frequencies over generations
• Compare key evolutionary mechanisms (natural selection, genetic drift, gene flow, and mutation) and describe their effects
• Use multiple lines of evidence (fossil record, biogeography, comparative anatomy, and molecular similarity) to support the idea of evolution

Learning Objectives

• Understand the application of molecular markers and genetic metrics in conservation biology.
• Identify key genetic concepts such as heterozygosity, gene flow, and inbreeding.
• Evaluate the importance of genetic diversity for population viability and recovery planning.+ Show more

Learning Objectives

• Explain how societal needs become engineering criteria and how constraints limit solutions.
• Identify qualitative and quantitative criteria used to evaluate an engineering design.
• Use measurable targets and limits to justify design decisions and trade-offs.

Learning Objectives

• Understand key principles of environmental monitoring
• Identify important criteria for sampling and sensor placement
• Learn how data management supports trend detection+ Show more

Learning Objectives

• Explain how differences in electronegativity create bond polarity.
• Identify and classify molecules as polar or nonpolar based on their structure and bond polarity.
• Describe how polarity influences solubility, intermolecular forces, and industrial applications.

Learning Objectives

• Understand the principles of dimensional analysis and scaling relationships in physical systems.
• Explain how nondimensional parameters facilitate model scaling across different spatial and temporal scales.
• Analyze consequences of inappropriate scaling on model predictions and applicability.+ Show more

Learning Objectives

• Identify the main components of Earth's atmosphere and their proportions
• Describe how atmospheric pressure varies with altitude
• Explain the significance of thermal structure and temperature gradients+ Show more

Learning Objectives

• Understand the different definitions of acids and bases: Arrhenius, Brønsted–Lowry, and Lewis.
• Classify substances as acids or bases using different models.
• Identify strong and weak acids and bases.+ Show more

Learning Objectives

• Understand the concept of internal energy and work in chemical processes.
• Explain the first law of thermodynamics and its application to chemical systems.
• Analyze energy flow in chemical reactions including enthalpy and entropy changes.+ Show more

Learning Objectives

• Analyze how word choice (diction and connotation) creates an author’s tone in grade-level texts.
• Explain how sentence-level choices (syntax, punctuation, pacing) influence readers’ interpretation of attitude and meaning.
• Identify shifts in tone caused by irony, understatement, or reframing details across a passage.

Learning Objectives

• Interpret stratigraphic sequences, fossil assemblages, and radiometric age data to reconstruct Earth history.
• Apply sedimentary facies models, cross-section interpretations, and isotopic systematics for correlation.
• Understand the limits of temporal resolution, unconformities, and the integration of multiple evidence types in geologic timelines.+ Show more

Learning Objectives

• Understand how socioeconomic, policy, and community factors influence health behaviors and outcomes.
• Identify societal factors that contribute to health inequities.
• Explain the importance of systemic change and advocacy in promoting health equity.