Science Worksheets

Learning Objectives

• Describe how different organ systems interact to maintain homeostasis.
• Explain the processes of gas exchange, nutrient distribution, and blood glucose regulation.
• Identify the roles of the circulatory, respiratory, digestive, nervous, and endocrine systems.+ Show more

Learning Objectives

• Define and describe different types of ecosystem services including provisioning, regulating, cultural, and supporting functions.
• Explain the role of biodiversity in maintaining ecosystem services such as pollination and water purification.
• Analyze how land-use change, pollution, and climate shifts affect ecosystem service capacity and distribution.+ Show more

Learning Objectives

• Define what climate models are and their purpose.
• Identify different types of climate models such as carbon-cycle and coupled climate models.
• Explain how models are validated and tested against observational data.+ Show more

Learning Objectives

• Explain how genotype combinations lead to expected phenotype outcomes using probability.
• Use Punnett-style reasoning to connect allele pairings to offspring frequency patterns.
• Distinguish between expected ratios from probability and real-world variation from multiple factors.

Learning Objectives

• Distinguish chemical equation subscripts from stoichiometric coefficients when balancing equations.
• Explain why balanced equations satisfy conservation of mass by matching atom counts on both sides.
• Describe a systematic approach to balancing multi-step chemical equations conceptually.+ Show more

Learning Objectives

• Explain how net force is found by adding forces as vectors (including direction).
• Use net force to predict changes in motion, including acceleration or equilibrium.
• Identify how opposing forces like friction and air resistance affect the resultant force.

Learning Objectives

• Explain how energy transfers from higher-energy objects or systems to lower-energy ones
• Describe how energy can change form during a transfer (energy transformation)
• Connect energy transfers to observable effects such as temperature change, motion, or light emission

Learning Objectives

• Identify different examples of physical and chemical changes.
• Understand how physical changes can be reversed and chemical changes cannot.
• Distinguish between appearance changes and substance changes in everyday processes.

Learning Objectives

• Understand the basic motions of planets within the solar system.
• Describe the Earth's rotation and its effects on day and night.
• Explain the significance of planetary orbits and their paths around the Sun.+ Show more

Learning Objectives

• Understand how geologic processes concentrate or disperse mineral resources.
• Identify the formation and distribution of fossil fuels, soils, and groundwater.
• Analyze landscape evolution effects on resource exposure and preservation.+ Show more

Learning Objectives

• Explain the technological design process as an iterative cycle: define the problem, set criteria and constraints, brainstorm, prototype, evaluate, and optimize.
• Use criteria and constraints to justify design decisions and to compare trade-offs between competing goals.
• Describe how measurements and performance metrics guide refinement of prototypes over multiple iterations.

Learning Objectives

• Explain Newton’s three laws using cause-and-effect relationships between forces and motion.
• Use F = ma to predict how changes in force or mass affect acceleration.
• Identify action–reaction pairs in common mechanical systems such as push–pull linkages and wheel–axle setups.

Learning Objectives

• Understand the difference between static and kinetic friction
• Learn about coefficients of friction and their significance
• Explore how surface properties affect friction+ Show more

Learning Objectives

• Understand the concept of integrated water resources management
• Identify key components such as allocation, supply planning, and governance
• Explore how scientific understanding informs policy-making+ Show more

Learning Objectives

• Differentiate between renewable and nonrenewable Earth resources and explain how availability depends on time and extraction rate.
• Describe major environmental impacts of resource extraction and use, including habitat disruption, air/water pollution, land degradation, and ecosystem imbalance.
• Explain long-term sustainability by connecting demand, regeneration capacity, and mitigation of harmful byproducts.+ Show more

Learning Objectives

• Understand the concept of chemical properties and how they differ from physical properties
• Identify examples of chemical properties such as flammability, reactivity, oxidation, and stability
• Learn to observe indicators of chemical change including formation of new substances, gas evolution, precipitates, and color change+ Show more

Learning Objectives

• Define pure substances and distinguish between elements and compounds.
• Identify examples of pure substances in real-world contexts.
• Classify given substances as elements or compounds based on their characteristics.

Learning Objectives

• Explain how light travels in straight lines and how that creates shadows when an object blocks the light
• Predict how the size and position of a shadow change when an object moves, gets larger, or is placed closer to a surface
• Use simple straight-line reasoning to describe how the direction of incoming light affects a shadow’s orientation

Learning Objectives

• Understand the concept of chemical properties
• Identify different chemical properties of substances
• Describe observable signs of chemical reactions+ Show more

Learning Objectives

• Understand how chemical energy stored in food molecules is transformed to support organism activities.
• Describe the process of energy change and transfer within living organisms during cellular work.
• Explain why feeding is essential for sustained bodily functions over time.+ Show more

Learning Objectives

• Define linear momentum and explain how it quantifies motion.
• Describe what impulse is and how it relates to force and time.
• Understand the impulse–momentum theorem and its applications.+ Show more

Learning Objectives

• Explain the difference between constant speed and average speed using distance and time relationships.
• Solve problems using the idea of proportional reasoning (distance ∝ time at constant speed; time ∝ 1/speed for the same distance).
• Use units and basic calculations to interpret real-world motion scenarios involving speed.

Learning Objectives

• Explain how birth rates, death rates, immigration, and emigration change population size over time
• Describe carrying capacity and how limiting factors slow growth as populations approach K
• Identify examples of limiting factors (food, habitat, disease, predation) and predict their effects on survival and reproduction

Learning Objectives

• Explain the process of heat conduction in solids.
• Identify materials with high and low thermal conductivity.
• Describe how conduction impacts everyday engineering structures.+ Show more

Learning Objectives

• Describe wave properties using amplitude, frequency, wavelength, and phase.
• Relate wave speed to frequency and wavelength using v = f × λ.
• Use ideas of superposition and interference to explain patterns in waves.+ Show more

Learning Objectives

• Understand the causes and effects of deforestation and habitat loss
• Identify human activities that lead to habitat fragmentation
• Explain how habitat destruction impacts biodiversity and ecosystem functions

Learning Objectives

• Understand the difference between criteria and constraints in scientific and engineering contexts.
• Identify measurable performance criteria in design projects.
• Recognize constraints that restrict design options, including material, budget, and regulations.+ Show more

Learning Objectives

• Define ionic strength and explain its significance in chemical solutions.
• Describe how ionic strength influences activity coefficients and solubility.
• Understand the effects of high ionic strength on ion activity and equilibrium.+ Show more

Learning Objectives

• Distinguish ionic bonding from covalent bonding in terms of electron transfer vs electron sharing
• Explain how bonding type influences charge distribution and electron mobility
• Use bonding concepts to predict properties such as melting point, electrical conductivity, brittleness, and solubility

Learning Objectives

• Understand the fundamental concepts of electromagnetic induction, including Faraday’s law and flux change.
• Explain how mechanical motion converts to electrical energy in generators and turbines.
• Identify the physical principles behind transformers and energy conversion devices.+ Show more

Learning Objectives

• Explain how Earth’s major reservoirs (atmosphere, hydrosphere, geosphere, biosphere) interact through matter cycles and energy flow.
• Describe key processes that move matter, including evaporation/precipitation, surface runoff/groundwater, and chemical exchange.
• Evaluate how biological and geologic processes redistribute carbon and nutrients across Earth systems.

Learning Objectives

• Identify observable indicators of chemical reactions such as color change, gas production, precipitate formation, and temperature change.
• Interpret qualitative and quantitative data to distinguish between physical and chemical changes.
• Understand how macroscopic evidence relates to microscopic particle rearrangements and formation of new substances.+ Show more

Learning Objectives

• Understand the structure of DNA and RNA molecules
• Identify the components and bonding patterns in nucleic acids
• Describe the significance of base pairing in genetic information+ Show more

Learning Objectives

• Predict likely chemical products by using reactant identities and reaction patterns, then checking using conservation of atoms.
• Use balanced equations to determine product formulas and relative amounts (stoichiometric ratios).
• Convert between mass and moles to compare reactant quantities and estimate yields.

Learning Objectives

• Understand principles of comparative observational approaches and controlled trials.
• Identify independent and dependent variables in experimental designs.
• Learn strategies for replication, matching, and randomization to minimize bias.+ Show more

Learning Objectives

• Explain how gravity influences the motion of planets, moons, comets, and asteroids
• Describe how centripetal acceleration and inertia combine to shape orbital paths
• Use evidence from observed trajectories to make predictions about orbital motion

Learning Objectives

• Explain how cells, tissues, organs, and organ systems work together to maintain complex functions in multicellular organisms.
• Describe how specialization at smaller scales supports processes such as support, transport, regulation, and coordination at larger scales.
• Use cause-and-effect reasoning to connect structure at one level to function at the next level.

Learning Objectives

• Explain how numerical and categorical observations can be represented in tables and graphs
• Identify appropriate labels, units, and scales that help readers interpret data correctly
• Use bar graphs and line graphs to compare categories and describe change over time

Learning Objectives

• Explain how fair tests keep all variables the same except the intended design variable.
• Select appropriate measurement tools and explain why units and scales matter.
• Describe how consistent testing procedures help attribute differences to the design rather than the setup.

Learning Objectives

• Explain the major stages of gene expression in eukaryotes, including transcription initiation, elongation, and RNA processing.
• Describe how mRNA splicing variants and post-transcriptional control can change protein production.
• Connect translation mechanics and protein targeting with how genes produce specific cellular phenotypes.+ Show more

Learning Objectives

• Explain how scientific models represent complex systems and predict system behavior using evidence.
• Use multiple lines of representation (diagrams, relationships, and simulations) to connect observations to mechanisms.
• Evaluate where a model works well and where it fails, including realistic limitations.+ Show more

Learning Objectives

• Explain how melting, crystallization, weathering, transport, deposition, and metamorphism transform rock materials
• Distinguish physical vs. chemical weathering and relate them to sediment composition
• Connect rock-cycle processes to tectonic settings such as mid-ocean ridges, subduction zones, and continental interiors+ Show more

Learning Objectives

• Explain how particle-level models represent atoms as discrete units that rearrange during reactions while preserving identity and count.
• Interpret particle diagrams by tracking atoms, identifying reactants and products, and describing bond breaking and bond forming.
• Connect macroscopic observations (like changes in properties and mass conservation) to particle rearrangements in a closed system.

Learning Objectives

• Explain how hazard management integrates geology, risk assessment, and probability to support decision-making.
• Apply key techniques such as hazard susceptibility mapping and recurrence interval estimation to real-world hazards.
• Evaluate mitigation strategies using cost-benefit thinking and considerations of community values and preparedness.

Learning Objectives

• Generate multiple solution ideas for a problem using given constraints
• Compare solution ideas by considering tradeoffs related to criteria and limits
• Explain which solution best meets the original problem statement using evidence

Learning Objectives

• Explain how relative positions of the Earth, Moon, and Sun produce lunar phases, eclipses, and tidal patterns
• Differentiate between synodic and sidereal periods and connect each to observations
• Describe how gravitational forces from the Moon and Sun cause spring and neap tides

Learning Objectives

• Define and identify elastic collisions in one dimension.
• Explain the conservation of momentum and kinetic energy during elastic collisions.
• Describe the differences between laboratory and center-of-mass reference frames.+ Show more

Learning Objectives

• Define what an element is based on its atomic number and chemical symbol.
• Describe how atomic models represent atomic identity.
• Identify representative elements and understand the significance of atomic mass and notation.+ Show more