Grade 11 Science Worksheets

Learning Objectives

• Explain how DNA, RNA, and protein sequences are used to infer evolutionary relationships.
• Describe how sequence alignment and models of molecular evolution support phylogenetic inference.
• Connect molecular clocks to estimates of divergence times using calibration data.

Learning Objectives

• Explain how carbon, nitrogen, and phosphorus cycle through living organisms, soil, water, and the atmosphere
• Describe key steps in the nitrogen cycle and where each step occurs in ecosystems
• Evaluate how human activities change pool sizes and residence times and predict impacts on productivity

Learning Objectives

• Explain how ATP acts as the primary energy currency of cells and why ATP hydrolysis releases usable energy.
• Describe how phosphorylation couples exergonic and endergonic reactions in cellular processes.
• Model how proton gradients drive ATP synthesis in mitochondria and chloroplasts via chemiosmosis.+ Show more

Learning Objectives

• Explain what pH measures and how it relates to hydrogen ion concentration.
• Use the pH–pOH relationship (at 25°C) to connect acidity and basicity.
• Predict how pH affects chemical speciation, mineral solubility, and aquatic life suitability.

Learning Objectives

• Explain how reaction rate depends on collision frequency, molecular orientation, and activation energy.
• Use rate laws to describe how reaction rates depend on reactant concentrations and interpret the meaning of reaction order.
• Apply the Arrhenius equation idea to predict how temperature changes affect rate constants.+ Show more

Learning Objectives

• Use the VSEPR model to predict molecular shapes from bonding pairs and lone pairs around a central atom.
• Identify how electron-pair geometry differs from molecular geometry and how each affects molecular properties.
• Explain connections between molecular geometry and polarity, dipole moments, and intermolecular forces.

Learning Objectives

• Explain how energy flows through ecosystems from the sun to producers and onward through food chains and webs
• Describe how primary productivity supports ecosystem structure by creating biomass
• Distinguish biotic and abiotic reservoirs and explain how nutrient cycles recycle matter+ Show more

Learning Objectives

• Explain how the respiratory and circulatory systems interact to maintain cellular metabolism.
• Describe how the renal system influences blood volume and electrolyte balance and how that affects cardiovascular function.
• Evaluate how the endocrine and nervous systems coordinate body-wide responses to internal and external changes.+ Show more

Learning Objectives

• Describe how pH changes as titrant is added using titration curves and identify key features (initial pH, buffer region, inflection point, equivalence point pH).
• Differentiate the shapes of titration curves for strong acid–strong base, weak acid–strong base, and weak base–strong acid systems.
• Select an appropriate endpoint by interpreting buffer regions and equivalence points in real sample titrations.+ Show more

Learning Objectives

• Explain the overall flow of genetic information from DNA to functional polypeptides through transcription and translation
• Describe how eukaryotic mRNA is processed (capping, splicing, polyadenylation) to become mature mRNA
• Interpret how codons, start/stop signals, and tRNA anticodons determine amino acid sequence during translation+ Show more

Learning Objectives

• Describe the hierarchy of biological organization from cells to tissues, organs, and organ systems.
• Explain how cell differentiation produces specialized structures and biochemical roles in multicellular organisms.
• Identify mechanisms that drive specialization, including regulated gene expression, intercellular signaling, and extracellular matrix interactions.+ Show more

Learning Objectives

• Explain how quantum numbers describe the energy, shape, orientation, and spin of electrons in atoms
• Use Aufbau order, Hund’s rule, and the Pauli exclusion principle to predict electron configurations
• Connect electron configuration and valence electrons to expected ion charges and periodic trends

Learning Objectives

• Explain how models represent relationships among variables to estimate outcomes before building or testing.
• Compare multiple model-based solution approaches using calculations and predicted performance.
• Identify assumptions and possible failure modes revealed by model comparisons.+ Show more

Learning Objectives

• Explain how DNA sequence comparisons and molecular markers provide evidence for heredity and relatedness
• Describe how PCR, sequencing, and restriction fragment analysis generate molecular data
• Interpret how mutation rates and molecular clocks support phylogenetic and population history inferences+ Show more

Learning Objectives

• Explain how innate defenses (barriers, inflammation, phagocytosis, and complement) provide immediate protection against pathogens
• Describe how adaptive immunity uses B and T lymphocytes to produce specific antibodies and memory cells
• Connect immune cell trafficking through the circulatory and lymphatic systems to coordinated immune signaling+ Show more

Learning Objectives

• Explain how origin recognition, helicase, primase, and DNA polymerase work together during genome replication
• Describe leading-strand versus lagging-strand synthesis, including Okazaki fragments and ligation
• Evaluate how proofreading, mismatch repair, and telomerase preserve genome integrity and chromosomal length

Learning Objectives

• Explain how a systems view connects engineering decisions to multiple outcomes, including cost, safety, efficiency, and environmental impact.
• Identify trade-offs and constraints when comparing design options for a real-world system.
• Evaluate statements and justify conclusions using evidence from system-level cause-and-effect relationships.

Learning Objectives

• Explain how effective nuclear charge, shielding, and orbital penetration lead to periodic trends across periods and down groups.
• Predict qualitative changes in atomic radius, ionization energy, and electronegativity using periodic reasoning.
• Identify and justify common deviations from ideal trends using subshell penetration and electron configurations.+ Show more

Learning Objectives

• Analyze elastic and inelastic collisions in one and two dimensions using conservation laws.
• Compare laboratory and center-of-mass reference frames and predict post-collision velocities.
• Understand energy partitioning and the coefficient of restitution as a modeling parameter.+ Show more

Learning Objectives

• Explain simple harmonic motion using amplitude, period, angular frequency, and phase.
• Use and interpret the relationships between wave speed, frequency, and wavelength (v = fλ).
• Differentiate transverse and longitudinal waves and describe how they transmit energy.+ Show more

Learning Objectives

• Understand the decomposition of two-dimensional projectile motion into horizontal and vertical components.
• Apply equations of motion to analyze range, maximum height, and time of flight.
• Interpret how initial velocity and launch angle influence projectile trajectory outcomes.+ Show more

Learning Objectives

• Identify the major Earth subsystems and understand their roles in the Earth's system.
• Explain how mass and energy transfer among atmosphere, hydrosphere, lithosphere, and biosphere.
• Use conceptual models to analyze fluxes and reservoirs within Earth subsystems.+ Show more

Learning Objectives

• Understand the processes of weathering, erosion, transport, and deposition in landscape evolution.
• Identify different agents of sediment transport such as rivers, glaciers, wind, and gravity.
• Explain how sediments are lithified into sedimentary rocks and what environmental signals they preserve.+ Show more

Learning Objectives

• Describe the main reservoirs and fluxes of carbon among air, ocean, terrestrial biosphere, and sediments.
• Explain how isotopic tracers distinguish natural carbon cycles from human contributions.
• Analyze the temporal scales of carbon flux, from seasonal exchange to geologic sequestration.+ Show more

Learning Objectives

• Explain the work–energy theorem and its application to connecting net work done by forces to changes in kinetic energy.
• Define power as the rate of energy transfer and analyze its significance in mechanical systems.
• Apply integral expressions for work to cases with variable forces and nonconservative dissipation.+ Show more

Learning Objectives

• Explain how synapsis and homolog pairing enable recombination during meiosis I.
• Describe the molecular basis of crossing over, chiasmata formation, and their role in allele segregation.
• Analyze how kinetochore dynamics regulate reductional division and ensure accurate chromosome number changes.+ Show more

Learning Objectives

• Explain how cyclin-dependent kinases (CDKs) and cyclins regulate transitions between G1, S, G2, and M phases.
• Describe the role of checkpoints in preventing DNA replication errors and maintaining genome integrity.
• Connect DNA damage response, tumor suppressor pathways, and apoptosis to cancer risk and tissue homeostasis.

Learning Objectives

• Distinguish between displacement, average velocity, and instantaneous velocity in 1D motion
• Explain how velocity and acceleration relate to position using finite differences and derivatives
• Apply constant-acceleration equations to interpret real scenarios, including free fall near Earth+ Show more

Learning Objectives

• Understand how to convert between [H+] and pH, and between [OH-] and pOH using logarithmic relationships.
• Apply the ion product constant (Kw) to interrelate hydrogen and hydroxide ion concentrations in water samples.
• Perform calculations involving significant figures and units to assess water acidity in environmental contexts.+ Show more

Learning Objectives

• Understand the basic concepts of ecology and ecosystems.
• Identify the roles of producers, consumers, and decomposers in an ecosystem.
• Explain the flow of energy through an ecological food chain.+ Show more

Learning Objectives

• Explain how electron transport chain complexes generate a proton-motive force during oxidative phosphorylation
• Describe the roles of electron donors, electron carriers, and oxygen as the terminal electron acceptor
• Calculate and interpret theoretical ATP yields from NADH and FADH2 and identify factors that reduce actual ATP production+ Show more

Learning Objectives

• Describe the three fundamental Newton's Laws of motion and their implications.
• Analyze how forces, mass, and acceleration interact according to Newton's Laws.
• Apply Newton's Laws to real-world scenarios involving contact and contactless forces.+ Show more

Learning Objectives

• Identify the three main types of plate boundaries and their characteristics.
• Describe landforms and seismic activity associated with divergent, convergent, and transform boundaries.
• Explain how surface observations relate to tectonic processes and hazards.+ Show more

Learning Objectives

• Understand the techniques used for assessing hazard susceptibility and risk.
• Identify strategies for mitigating hazards such as earthquakes, tsunamis, and landslides.
• Evaluate the importance of balancing economic, cultural, and safety considerations in hazard management.+ Show more

Learning Objectives

• Understand the principles of radiometric dating and how it is used to determine the age of rocks and fossils.
• Identify different isotope systems used in radiometric dating and their appropriate applications.
• Explain the factors affecting the accuracy of radiometric dating, such as closed-system behavior and closure temperatures.+ Show more

Learning Objectives

• Understand the processes involved in mountain building, including tectonic convergence and crustal deformation.
• Identify structural features associated with mountain ranges such as folded strata, thrust faults, and metamorphic cores.
• Explain how rates of uplift and erosion influence mountain evolution and sedimentation patterns.+ Show more

Learning Objectives

• Understand the concept of hybridization and how atomic orbitals mix to form hybrid orbitals.
• Identify different types of hybridization (sp, sp2, sp3) and their associated molecular geometries.
• Explain how hybrid orbitals contribute to sigma and pi bonding in covalent molecules.

Learning Objectives

• Explain how temperature influences reaction rates through the distribution of molecular kinetic energies.
• Describe the role of activation energy in determining whether collisions lead to product formation.
• Connect microscopic collision energetics to macroscopic observations of rate changes with temperature.+ Show more

Learning Objectives

• Interpret uncertainty using error bars, ranges, and measurement spread in graphs.
• Use basic statistics (mean and variability) to support data-based claims.
• Judge whether differences between groups are meaningful beyond typical measurement noise.+ Show more

Learning Objectives

• Explain how concentration influences reaction rate using the collision model
• Interpret how dilution or mixing changes collision frequency and therefore rate
• Use rate-law ideas to predict qualitative changes when reactant concentrations change+ Show more

Learning Objectives

• Explain the major components of a petroleum system (source rock, thermal maturation, migration, reservoir, seal, and traps).
• Analyze how burial history, basin architecture, and reservoir properties influence hydrocarbon generation and accumulation.
• Evaluate concepts used to assess petroleum system risk, including timing and potential leakage pathways.

Learning Objectives

• Explain how tectonic convergence leads to crustal shortening and vertical uplift during mountain building (orogeny).
• Identify key structural features of orogenic belts, including folded strata, thrust faults, metamorphic cores, and foreland basins.
• Describe how uplift and erosion interact over geologic time to control relief and sedimentation patterns.

Learning Objectives

• Distinguish between endothermic and exothermic reactions using enthalpy (ΔH) and energy flow.
• Explain how reaction enthalpy relates to bonds broken and bonds formed, including qualitative predictions of heat release/absorption.
• Calculate and interpret reaction enthalpy using standard enthalpies of formation and Hess’s law concepts.

Learning Objectives

• Explain how reproductive isolation leads to speciation through genetic divergence.
• Compare allopatric and sympatric speciation and identify likely causes of each.
• Differentiate prezygotic and postzygotic barriers and predict their effects on gene flow.+ Show more

Learning Objectives

• Explain how the geologic time scale organizes Earth history into intervals based on major events and fossil assemblages.
• Use relative dating principles (stratigraphic superposition and fossil succession) to determine the sequence of rock layers and events.
• Connect radiometric dating to absolute ages and interpret how rates of deposition, erosion, and tectonic uplift shape landscapes over geologic time.

Learning Objectives

• Explain how conservation of mass is demonstrated by balanced chemical equations.
• Balance chemical equations by adjusting stoichiometric coefficients while conserving each element.
• Classify common reaction types (synthesis, decomposition, single-displacement, double-displacement, combustion) and link them to balanced forms.+ Show more

Learning Objectives

• Explain how mass percent and volume percent represent solute amount relative to total solution
• Interpret ppm values for trace solutes and describe when ppm is appropriate to use
• Convert between concentration expressions using correct bases and units+ Show more

Learning Objectives

• Explain how valence-shell electron pair repulsion (VSEPR) predicts molecular geometry from bonding and lone-pair electrons.
• Identify common VSEPR shapes (linear, trigonal planar, tetrahedral, trigonal bipyramidal, octahedral) and associated ideal bond angles.
• Use geometry and symmetry to reason about molecular polarity and bond-angle trends.