Science Worksheets

Learning Objectives

• Explain the difference between weather and climate using examples
• Identify which observations describe short-term conditions versus long-term patterns
• Use simple evidence (daily vs. multi-year observations) to support a weather/climate claim

Learning Objectives

• Explain how scientific models use simplified structures, diagrams, and equations to predict outcomes
• Translate between variables and apply assumptions to generate testable predictions
• Evaluate whether model predictions follow patterns and match real observations

Learning Objectives

• Explain how decomposers (such as fungi and bacteria) break down dead organisms and waste
• Describe how decomposition returns nutrients to soil and water for plant regrowth
• Connect decomposition to the cycling of matter in an ecosystem+ Show more

Learning Objectives

• Use multiple material properties (mass, volume, texture, and shape) as evidence to sort and describe materials.
• Explain how comparing two materials with shared properties—but different other properties—helps distinguish them.
• Make and justify claims about materials using observations rather than guessing.

Learning Objectives

• Explain how scientific predictive models connect variables to expected outcomes
• Identify key features of a useful model, including assumptions and testable predictions
• Use model-based reasoning to interpret patterns in data

Learning Objectives

• Identify different types of specialized cells and their general functions
• Understand how cell structure relates to its role in the body

Learning Objectives

• Explain the urban heat island phenomenon and identify key drivers such as surface materials, reduced vegetation, and anthropogenic heat.
• Describe how impervious surfaces, reduced evapotranspiration, and building geometry affect local heat retention and nighttime temperatures.
• Evaluate mitigation strategies (e.g., cool pavements, increased urban greenery, and strategic shading) and predict their likely impacts on comfort and energy use.

Learning Objectives

• Explain how balanced and unbalanced forces affect net force and changes in velocity.
• Predict the direction of acceleration using the direction of the net force.
• Describe how velocity changes can involve speed changes, direction changes, or both.

Learning Objectives

• Explain how water moves through the atmosphere, land, and oceans during the water cycle.
• Describe the roles of evaporation, condensation, precipitation, runoff, and infiltration.
• Connect water cycle pathways to weather, climate, and ecosystems.

Learning Objectives

• Understand the processes involved in the water cycle, including evaporation, condensation, precipitation, infiltration, runoff, and groundwater flow.
• Analyze how energy from the Sun and gravity drive the water cycle.
• Connect weathering processes such as river incision and coastal erosion to the water cycle.+ Show more

Learning Objectives

• Understand the process of photosynthesis and its role in primary production.
• Identify differences between various types of producers such as grasses, shrubs, boreal trees, and algae.
• Recognize factors that influence primary productivity like soil nutrients and light availability.+ Show more

Learning Objectives

• Describe how galaxies are organized on large scales and identify key features of barred spiral galaxies like the Milky Way
• Explain how redshift and spectral lines are used to infer galaxy motion and relate observations to expanding-space ideas
• Compare apparent brightness and intrinsic luminosity to interpret how distance affects what we observe

Learning Objectives

• Explain how criteria and constraints guide the development of solutions.
• Compare solution prototypes using both quantitative and qualitative evidence.
• Use objective testing results to justify a preferred solution concept for further development.

Learning Objectives

• Explain how work is calculated as the force component along displacement
• Use the work–energy theorem to connect work done to changes in kinetic energy
• Calculate work for constant and variable forces using appropriate reasoning+ Show more

Learning Objectives

• Understand how electrochemical gradients and membrane properties influence ion and molecule movement.
• Explain the role of active pumps such as the sodium-potassium ATPase in establishing ion gradients.
• Describe how secondary active transporters utilize existing gradients to move substrates against their own gradients.+ Show more

Learning Objectives

• Describe the components and fluxes involved in the global carbon cycle.
• Identify sources, sinks, and feedback mechanisms affecting atmospheric CO₂ levels.
• Analyze the magnitudes, residence times, and feedback loops within the carbon cycle.+ Show more

Learning Objectives

• Understand the primary functions of the circulatory system and its components.
• Identify the roles of blood, blood vessels, and the heart in circulation.
• Explain how blood pressure, vessel resistance, and blood composition affect tissue perfusion.+ Show more

Learning Objectives

• Explain how radioactive decay and half-life make absolute time dating possible
• Calculate ages using parent/daughter amounts and half-life concepts
• Compare radioactive (absolute) dating with relative dating methods+ Show more

Learning Objectives

• Interpret coefficient ratios in balanced chemical equations to relate relative amounts of reactants and products.
• Apply the law of conservation of mass to check and explain mass accounting in simple reaction contexts.
• Use balanced equations to estimate product mass from given reactant mass in real-world examples.

Learning Objectives

• Explain how prototypes provide observable evidence linked to success criteria.
• Identify appropriate metrics (e.g., flow rate, temperature change, accuracy) for evaluating prototype performance.
• Use test results to decide whether to refine a design or revise the approach.

Learning Objectives

• Understand the process of identifying and prioritizing constraints in engineering design.
• Analyze social, economic, environmental, and functional requirements for project feasibility.
• Evaluate interactions among competing constraints to support decision-making.+ Show more

Learning Objectives

• Understand the roles of leaf structures in gas exchange, photosynthesis, and transpiration.
• Identify variations in leaf structures between conifers and deciduous species.
• Explain how seasonal changes affect leaf functions and tree physiology.+ Show more

Learning Objectives

• Explain what tradeoffs are when designing a solution with competing criteria and constraints
• Use a tradeoff map to compare how different design options meet evaluation criteria
• Identify acceptable limits (safety, efficiency, feasibility) and how meeting one requirement can worsen another

Learning Objectives

• Explain how phylogenetic trees represent evolutionary relationships using shared characters and genetic similarity
• Differentiate homology from analogy and justify how that affects tree interpretation
• Compare major methods (parsimony, maximum likelihood, molecular clock) for inferring tree topology and divergence times+ Show more

Learning Objectives

• Understand the importance of balancing chemical equations to reflect atomic conservation.
• Learn how to identify and apply coefficients to balance chemical equations correctly.
• Recognize the role of state indicators and stoichiometric coefficients in symbolic chemical equations.+ Show more

Learning Objectives

• Explain how erosion and deposition change Earth’s surface
• Describe how water and wind move and reshape Earth materials
• Identify landforms affected by surface-change processes such as riverbanks and shorelines

Learning Objectives

• Understand how data feedback guides the refinement process in engineering design.
• Identify examples of parameter adjustments to improve system performance.
• Explain the role of evidence-based reasoning in system refinement, using heat-pump systems as an example.+ Show more

Learning Objectives

• Understand the concept of mass and how it relates to chemical reactions.
• Learn about the law of conservation of mass and how it applies to closed systems.
• Identify factors that affect mass measurements during chemical processes.

Learning Objectives

• Describe the main structures involved in the human respiratory system.
• Explain how gas exchange occurs in the alveoli.
• Identify the processes of ventilation and diffusion.+ Show more

Learning Objectives

• Explain how tectonic activity, weathering, erosion, and deposition reshape Earth’s surface over time
• Distinguish between weathering and erosion and describe how each contributes to landform change
• Use geologic vocabulary to interpret how landscapes can appear stable while still changing

Learning Objectives

• Understand the mechanisms that regulate metabolic pathways, including allosteric control and covalent modification.
• Recognize the role of compartmentalization and hormonal signaling in metabolic regulation.
• Explain feedback inhibition, branch-point regulation, and metabolic prioritization during fasting or high activity.+ Show more

Learning Objectives

• Explain how changes in greenhouse gases and aerosols affect Earth’s energy balance.
• Differentiate natural climate drivers (e.g., El Niño, orbital changes, volcanic eruptions) by their timescales and effects.
• Use evidence from climate descriptions to identify the most likely main idea or claim.

Learning Objectives

• Identify the main idea and key details in a science career passage.
• Explain how scientific questions lead to data collection, equipment use, and communication of results.

Learning Objectives

• Explain how ATP couples exergonic and endergonic reactions through energy transfer and free-energy changes.
• Interpret reaction coordinate diagrams to describe activation energy, intermediates, and how catalysts/enzymes affect rates.
• Relate enzyme kinetics and environmental conditions to metabolic flux in glycolysis, oxidative phosphorylation, and phosphorylation-driven transport.

Learning Objectives

• Explain how structural, physiological, and behavioral adaptations help organisms survive in specific environments
• Describe how selective pressures such as temperature, moisture, predation, and resource availability can shape adaptations over time
• Identify adaptation trade-offs and predict how traits may vary across habitats such as wetlands, forests, and open meadows

Learning Objectives

• Explain how energy changes during exothermic and endothermic chemical reactions using temperature evidence
• Relate energy input and release to bond breaking and bond formation
• Use energy-change evidence, along with other signs, to distinguish chemical from physical changes

Learning Objectives

• Explain how wave speed, frequency, and wavelength are related for waves traveling in the same medium.
• Predict how wavelength changes when frequency changes, while wave speed stays constant.
• Use the relationship v = fλ to interpret real-world wave situations.

Learning Objectives

• Explain the concept of chemical equilibrium and its significance in chemical reactions.
• Identify factors such as concentration, pressure, and temperature that influence equilibrium.
• Describe how to interpret equilibrium constants and predict system behavior under perturbations.+ Show more

Learning Objectives

• Describe the processes involved in the water cycle, including evaporation, condensation, precipitation, runoff, infiltration, and groundwater storage.
• Explain how solar energy and gravity drive the movement of water through various reservoirs in the hydrosphere.
• Identify examples such as evapotranspiration, river discharge, aquifer recharge, and seasonal snowmelt that illustrate water transport and storage timescales.

Learning Objectives

• Understand the concept of ionic bonding and charge transfer between atoms.
• Identify characteristics of ionic lattices and how they influence material properties.
• Learn to interpret Lewis structures and formal charges for ionic compounds.+ Show more

Learning Objectives

• Understand the concept of exponential population growth and its patterns.
• Identify factors influencing population size, including biotic and abiotic factors.
• Analyze how carrying capacity and resource limitations affect population dynamics.+ Show more

Learning Objectives

• Understand how deforestation affects ecosystems
• Identify the consequences of human land clearing
• Develop reading comprehension skills+ Show more

Learning Objectives

• Identify different types of forces and understand their roles in motion.
• Describe Newton’s three laws of motion and their applications.
• Interpret free-body diagrams including contact, normal, frictional, tension, and gravitational forces.+ Show more

Learning Objectives

• Explain the mole concept and use Avogadro’s number to convert between particles and moles.
• Calculate molar mass and perform mass↔mole conversions for chemical substances.
• Use balanced chemical equations to determine quantitative relationships between reactants and products.

Learning Objectives

• Understand the principle of conservation of atoms in chemical reactions
• Identify how atoms are rearranged during reactions
• Differentiate between exothermic and endothermic reactions based on energy transfer+ Show more

Learning Objectives

• Understand the processes of genetic divergence and reproductive isolation
• Identify examples of speciation such as allopatric and adaptive radiation
• Recognize evidence from fossils and genetics that document diversity and extinction

Learning Objectives

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

Learning Objectives

• Understand the importance of water conservation.
• Identify ways to reduce water pollution.
• Recognize individual actions that contribute to sustainable water use.