Science Worksheets

Learning Objectives

• Understand the principle of atomic conservation in chemical reactions
• Identify how atoms are rearranged without being created or destroyed
• Interpret evidence supporting the conservation of atoms during reactions+ Show more

Learning Objectives

• Identify different types of seismic waves from waveform data
• Interpret travel-time curves and epicenter maps to infer subsurface structures
• Compare P- and S-wave arrivals to determine earthquake depth+ Show more

Learning Objectives

• Explain reaction rate in terms of collision frequency and the fraction of effective collisions
• Analyze how concentration, temperature, and physical state/surface area affect reaction rates
• Use the activation energy concept to predict whether a collision can lead to product formation+ Show more

Learning Objectives

• Explain wave–particle duality and how it leads to probabilistic electron behavior in atoms.
• Describe how orbital hybridization and nodal patterns relate to chemical bonding tendencies.
• Interpret energy quantization using photoelectron and absorption spectra concepts.+ Show more

Learning Objectives

• Identify different types of constraints that affect a design during problem solving.
• Explain how constraints limit possible solutions in real-world engineering situations.
• Use vocabulary such as material, dimensions, mass, operating conditions, time, and environmental safety to describe constraints.

Learning Objectives

• Understand the concept of mutations in DNA
• Identify different sources of mutations
• Recognize the effects mutations can have on genes and traits+ Show more

Learning Objectives

• Understand the concept of tradeoffs in engineering design.
• Identify how improving one feature may affect others.
• Evaluate the importance of criteria and constraints in design choices.

Learning Objectives

• Explain how molecular signaling pathways regulate gene expression and protein activity.
• Identify key mechanisms such as transcriptional regulation, signal transduction cascades, and receptor-ligand interactions.
• Analyze how perturbations like mutations or drug inhibition affect cellular functions and systemic physiology.+ Show more

Learning Objectives

• Understand the causes and consequences of deforestation
• Analyze how land-cover change impacts ecosystems and biodiversity
• Interpret empirical data related to land use and ecological health+ Show more

Learning Objectives

• Explain exothermic and endothermic reactions using energy profiles and the sign of enthalpy (ΔH).
• Use bond energies to reason about whether a reaction should release or absorb energy.
• Predict observable temperature changes and discuss how reaction direction relates to ΔH and activation energy.

Learning Objectives

• Explain how heat transfer moves thermal energy from warmer objects to cooler objects.
• Describe evidence of heat transfer, including temperature changes and changes in how objects feel or look.
• Compare heat transfer by direct contact and by non-contact (radiation) across surfaces.

Learning Objectives

• Explain uniform circular motion using centripetal acceleration and the inward direction of the net force
• Distinguish radial (inward) and tangential forces and relate them to changes in direction versus speed
• Apply v²/r relationships to analyze real situations such as orbits and banked turns

Learning Objectives

• Define design criteria and explain how they differ from constraints in engineering design.
• Use criteria to judge whether a proposed solution will meet success requirements.
• Identify common types of constraints, such as safety, cost, material limits, and scientific principles.+ Show more

Learning Objectives

• Identify biotic and abiotic components in an ecosystem
• Understand the interaction between living organisms and their environment
• Explain how energy flows through an ecosystem

Learning Objectives

• Understand the concept of food chains and their role in ecosystems.
• Identify producers, consumers, and decomposers in food chains.
• Analyze the flow of energy through different levels of a food chain.+ Show more

Learning Objectives

• Describe the hierarchy of ecological organization from individual organisms to biospheres (organism → population → community → ecosystem → biosphere).
• Identify the roles of producers, consumers, and decomposers and explain how energy moves through trophic levels.
• Explain how structural features at each level can help ecosystems resist change and recover after disturbances.+ Show more

Learning Objectives

• Distinguish between speed, velocity, and acceleration and describe what each quantity measures
• Apply sign conventions to interpret motion direction in one-dimensional kinematics problems
• Use unit conversions and algebraic relationships to compare motion quantities

Learning Objectives

• Describe how physical and computational models generate quantitative data for testing solutions.
• Identify limitations and sources of measurement uncertainty in data models.
• Understand the importance of consistent input conditions and repeatability in data collection.+ Show more

Learning Objectives

• Understand how Indigenous communities interpreted star patterns for navigation and cultural practices.
• Recognize the significance of oral knowledge and early astronomical records in understanding celestial motions.
• Explore diverse cultural explanations of seasons and sky phenomena.

Learning Objectives

• Understand the components of projectile motion: horizontal and vertical
• Identify how gravity affects vertical motion while horizontal motion remains constant
• Analyze the trajectory, range, maximum height, and time of flight of projectiles+ Show more

Learning Objectives

• Understand different types of satellite orbits such as elliptical and near-circular
• Identify how orbital speed varies with distance from the central body
• Explain the balance of gravitational force and inertial motion in satellite orbits+ Show more

Learning Objectives

• Use quantitative indicators (e.g., extraction rates, groundwater level trends, land-use change metrics) to describe human impacts on Earth systems.
• Interpret resource trends using the ideas of natural variability and system thresholds, including consequences such as subsidence, erosion, and altered sediment budgets.
• Evaluate sustainability by comparing datasets and calculating ratio-based measures of use versus replenishment.+ Show more

Learning Objectives

• Identify the main components of the circulatory system
• Describe how blood circulates through the body
• Explain the function of the heart and blood vessels+ Show more

Learning Objectives

• Select an appropriate graph type (scatterplot, histogram, line graph, or residual display) for a given data situation and explain why it fits.
• Interpret graphs using axis scaling, labeling, binning choices, trends, outliers, and residual patterns.
• Recognize limitations of visual inference and use numerical summaries to support or challenge conclusions.

Learning Objectives

• Define carrying capacity and explain how limiting resources control population size
• Identify examples of density-dependent and density-independent factors
• Use cause-and-effect reasoning to predict how populations respond near carrying capacity

Learning Objectives

• Understand how particles change during chemical reactions
• Identify energy changes associated with reactions
• Explain the relationship between particle rearrangements and temperature changes

Learning Objectives

• Understand the differences between static and kinetic friction.
• Identify factors influencing frictional forces.
• Describe the concepts of air resistance and viscous drag.+ Show more

Learning Objectives

• Identify the components of DNA, including nucleotides and sugar-phosphate backbone
• Understand the double helix structure and antiparallel strands
• Recognize the base pairing rules between adenine, thymine, cytosine, and guanine+ Show more

Learning Objectives

• Identify the structural components of DNA.
• Understand the double helix model of DNA.
• Recognize how DNA's structure relates to its function in storing genetic information.+ Show more

Learning Objectives

• Use balanced chemical equations to convert between moles and mass for industrial-scale reactant and product planning.
• Apply mole and mass balance ideas across process units to track inputs, outputs, and by-products.
• Calculate theoretical yield, percent yield, and identify limiting reactants in large-scale production.+ Show more

Learning Objectives

• Understand the concept of chemical reactions and bonds
• Identify reactants and products in chemical equations
• Interpret symbolic representations of reactions including state symbols and coefficients+ Show more

Learning Objectives

• Explain how power describes the rate of energy transfer and relate it to how quickly work is done.
• Calculate and interpret efficiency as the fraction of input energy that becomes useful output energy.
• Analyze how energy losses (heat, sound, deformation) reduce efficiency in real machines.

Learning Objectives

• Explain Newton’s third law as an action–reaction force pair acting on different objects
• Use momentum and Newton’s laws to predict how collisions change motion for objects with different masses
• Interpret how equal and opposite forces lead to simultaneous changes in both objects’ velocities

Learning Objectives

• Understand the importance of measurement in evaluating prototypes
• Identify key types of measurements used in prototyping
• Recognize how measurements influence design improvements

Learning Objectives

• Differentiate kinetic, potential, and thermal energy and identify how each relates to motion and deformation.
• Explain how mechanical energy (KE + U) changes in the presence of non-conservative forces such as friction.
• Use energy conservation and the kinetic energy relationship KE = 1/2 mv^2 to connect concepts to calculations.+ Show more

Learning Objectives

• Understand how bridge designs support weight and distribute loads
• Identify different engineering materials used in structural designs
• Explain how design constraints influence engineering choices+ Show more

Learning Objectives

• Explain how energy transfer in the atmosphere influences weather and climate
• Analyze how water in different phases affects temperature, precipitation, and humidity
• Use NGSS-aligned reasoning to connect atmospheric processes to climate patterns

Learning Objectives

• Define friction and explain how it opposes motion.
• Identify real-world examples of friction.
• Understand how surface types and normal force influence friction.

Learning Objectives

• Understand the main processes of the water cycle.
• Identify how water moves through Earth's systems.
• Describe the role of the Sun and gravity in the water cycle.+ Show more

Learning Objectives

• Describe how indicator properties (pH, electrical conductivity, density, and refractive index) can change during chemical reactions.
• Explain why changes in indicator properties provide evidence for formation of new substances.
• Distinguish chemical change from physical mixing using measured indicator property shifts.+ Show more

Learning Objectives

• Understand how to interpret and balance chemical equations to reflect quantitative relationships.
• Apply mole ratios from balanced equations to calculate amounts of reactants and products.
• Use conservation principles to predict reagent needs and product yields in chemical reactions.+ Show more

Learning Objectives

• Define oxidation and reduction in the context of chemical reactions.
• Understand how to identify oxidation states of elements in compounds.
• Describe the role of electron transfer in redox reactions.+ Show more

Learning Objectives

• Understand how increasing human populations influence environmental changes.
• Identify connections between population growth, resource consumption, and ecological impacts.
• Analyze evidence related to resource use, land changes, and biogeochemical fluxes.+ Show more

Learning Objectives

• Identify the major sources and sinks of atmospheric carbon.
• Describe how different processes affect atmospheric CO2 levels.
• Analyze the role of natural and human activities in carbon fluxes.+ Show more

Learning Objectives

• Choose the most appropriate graph or table for a given kind of data and research question
• Interpret graphs by describing trends, slopes, and intercepts using correct scale and label conventions
• Use frequency tables and plots to make and support claims with quantitative evidence

Learning Objectives

• Understand the purpose and types of scientific models
• Identify the key components in simple numerical models
• Explain the concept of assumptions and their role in modeling+ Show more

Learning Objectives

• Compare macroscopic properties of reactants and products to infer whether a new substance formed.
• Identify key physical properties that can change when atoms rearrange (solubility, conductivity, and melting behavior).
• Use particle-model ideas to explain why new substances show distinct characteristics from original materials.

Learning Objectives

• Explain how porosity, permeability, and hydraulic head influence groundwater flow in aquifers.
• Distinguish between confined and unconfined aquifers and identify recharge and discharge zones.
• Predict how sediment and bedrock properties affect groundwater storage and movement rates.+ Show more