Science Worksheets

Learning Objectives

• Explain how observable traits are used to group organisms
• Justify classification decisions using clear trait comparisons
• Describe how adding new evidence can change how an organism is grouped+ Show more

Learning Objectives

• Explain heat transfer models that track thermal energy flow using conduction, convection, and radiation
• Predict the direction of heat transfer based on temperature differences
• Connect observable temperature changes to invisible energy transfer processes

Learning Objectives

• Describe how the Moon’s visible shape changes over about a month
• Explain that lunar phases depend on which part of the sunlit half faces Earth
• Identify the repeating pattern of phases in the correct order+ Show more

Learning Objectives

• Identify patterns in tables and charts and describe what they suggest.
• Use a simple model (arrows, graphs, or diagrams) to show relationships between variables.
• Explain how a model can help predict outcomes and show where more evidence is needed.+ Show more

Learning Objectives

• Explain how photosynthesis and cellular respiration transform energy and exchange gases in cells.
• Describe how diffusion moves materials across cell membranes using concentration gradients.
• Compare diffusion with transport mechanisms and explain why both are needed for cell survival.

Learning Objectives

• Understand the purpose and components of circuit diagrams using standard symbols.
• Identify symbols for sources, conductors, loads, and measurement devices in circuit diagrams.
• Translate physical electrical systems into accurate diagrams for analysis and communication.+ Show more

Learning Objectives

• Explain how competition occurs when organisms need limited resources
• Describe how traits, timing of feeding, and tolerance affect access to resources
• Predict how competition can change population sizes and community composition over time

Learning Objectives

• Explain how a pendulum transfers energy between gravitational potential energy and kinetic energy during a swing.
• Describe how friction and air resistance affect mechanical energy in real pendulums.
• Relate amplitude, mass, and length to changes in energy distribution and the pendulum’s period.

Learning Objectives

• Identify different types of weathering processes and their effects on rocks.
• Explain how physical, chemical, and biological weathering contribute to landscape change.
• Describe factors influencing weathering rates and landform development.+ Show more

Learning Objectives

• Explain how new oceanic crust forms at mid-ocean ridges and how older crust moves away over time.
• Interpret magnetic striping patterns as evidence for seafloor spreading and geomagnetic reversals.
• Use seafloor age, bathymetry, and sediment thickness to describe evidence for plate-motion models.

Learning Objectives

• Understand how apparent brightness relates to the distance of stars
• Identify different methods used to measure cosmic distances
• Explain the significance of redshift and standard candles in astronomy+ Show more

Learning Objectives

• Identify major human activities that alter Earth systems.
• Understand the concepts of land-use change, resource extraction, and emissions.
• Recognize how local actions connect to regional environmental changes.+ Show more

Learning Objectives

• Understand the behavior of waves when they encounter boundaries or changes in medium
• Explain the concept of wave reflection and how it reverses wave direction while maintaining frequency
• Describe the process of wave refraction, including changes in wave speed and bending of the wave path+ Show more

Learning Objectives

• Explain how energy and matter move through trophic levels using the concepts of producers, consumers, and decomposers
• Interpret how energy-transfer inefficiency leads to characteristic biomass and energy pyramids
• Differentiate omnivory, detritivory, and trophic cascades in real ecosystem scenarios+ Show more

Learning Objectives

• Understand quantitative methods for assessing the fit between models and data.
• Interpret residual plots and goodness-of-fit measures to evaluate model accuracy.
• Identify patterns indicating systematic divergence or heteroscedasticity.+ Show more

Learning Objectives

• Apply reaction stoichiometry and mass conservation to write and interpret industrial process mass balances.
• Estimate theoretical and actual yields using limiting reactants and percent yield.
• Explain how reaction kinetics and thermodynamics affect reactor performance and achievable conversion.+ Show more

Learning Objectives

• Understand how climate patterns are derived from long-term weather data.
• Identify different types of climate feedback mechanisms and their effects.
• Distinguish between natural variability and persistent climate change.+ Show more

Learning Objectives

• Explain solubility equilibrium shifts using Le Châtelier’s principle
• Predict solubility changes when a common ion is added
• Interpret ion concentration effects on sparingly soluble salts+ Show more

Learning Objectives

• Explain the common ion effect using Le Châtelier’s principle and chemical equilibrium ideas
• Predict how solubility changes when an ion already present in a solution is added
• Apply common ion reasoning to real contexts such as water treatment and mineral precipitation

Learning Objectives

• Compare prokaryotic (bacteria and archaea) cell structures with eukaryotic cell structures.
• Explain how differences in compartmentalization and genetic arrangement affect cell organization.
• Identify key features such as nucleoid, nucleus, organelles, and chromosome type.

Learning Objectives

• Explain how intermolecular forces affect vapor pressure and volatility
• Relate intermolecular forces to boiling point
• Interpret phase diagrams using temperature and molecular properties+ Show more

Learning Objectives

• Explain energy efficiency using the idea of useful output compared to total energy input
• Identify common sources of energy loss in machines and heating or lighting systems
• Use efficiency reasoning to compare technologies and suggest improvements

Learning Objectives

• Explain how the common ion effect influences solubility in aqueous solutions.
• Analyze the impact of background ionic composition on mineral precipitation and water treatment processes.
• Apply Le Châtelier’s principle to predict shifts in equilibrium related to ion concentrations.

Learning Objectives

• Describe key structures of the respiratory and digestive systems and explain how each structure supports its function.
• Explain how gas exchange in the lungs happens through efficient diffusion driven by concentration differences.
• Model how digestion breaks food into smaller molecules that can enter circulation.+ Show more

Learning Objectives

• Define limiting factors in an environment
• Identify different types of limiting factors
• Understand how limiting factors affect population size+ Show more

Learning Objectives

• Construct claims supported by specific scientific evidence
• Explain how variables and controls support causal interpretations
• Evaluate alternative explanations against predictions and evidence+ Show more

Learning Objectives

• Define what a keystone species is and explain its role in an ecosystem.
• Identify examples of keystone species and their impacts on biodiversity.
• Analyze how the removal of a keystone species can cause trophic cascades and ecosystem collapse.+ Show more

Learning Objectives

• Write a science argument that connects a clear claim to relevant evidence and sound reasoning.
• Evaluate competing scientific explanations by analyzing how well evidence supports each claim or counterclaim.
• Distinguish correlation from causation and separate observations from inferences in scientific reasoning.

Learning Objectives

• Explain intracellular trafficking and the roles of organelle pathways in cellular function.
• Identify the mechanisms of protein targeting to different organelles.
• Describe vesicular transport processes and the endomembrane system.+ Show more

Learning Objectives

• Compare how crater density and smooth plains can indicate different surface ages.
• Explain how resurfacing events can reduce visible crater impacts on planetary surfaces.
• Use relationships between impact structures and surrounding materials to infer relative age.

Learning Objectives

• Explain how conduction, convection, and radiation move energy from one place to another
• Identify which energy-transfer process is occurring in everyday situations
• Use evidence from observations (temperature changes, fluid motion, electromagnetic waves) to support scientific explanations

Learning Objectives

• Understand how the angle of attack influences airflow and lift production.
• Identify the relationship between stall onset and critical angle variations.
• Explain how wing incidence and pilot input change effective angle during flight.+ Show more

Learning Objectives

• Understand the law of conservation of mass through balancing chemical equations.
• Identify and balance chemical equations to ensure equal atoms of each element on both sides.
• Link formula notation to measurable mass relationships in chemical reactions.+ Show more

Learning Objectives

• Explain why DNA replication is semi-conservative and produces two DNA molecules with one original strand each.
• Describe the main steps of DNA replication, including initiation, primer formation, and leading vs. lagging strand synthesis.
• Connect replication fidelity and repair mechanisms to mutation rates and genome stability.

Learning Objectives

• Represent one-dimensional motion using displacement, velocity, and acceleration as functions of time.
• Differentiate between uniform and non-uniform motion using instantaneous rates and finite differences.
• Apply constant-acceleration formulas (including free-fall and sign conventions) to solve physics problems.

Learning Objectives

• Define the concept of field superposition in physics.
• Explain how multiple sources influence a net field at a point.
• Describe patterns such as cancellation, reinforcement, and equilibrium in fields.+ Show more

Learning Objectives

• Describe ionic strength using ion concentration and charge effects
• Explain how ionic strength changes activity coefficients
• Predict how ionic strength affects non-ideal solubility+ Show more

Learning Objectives

• Analyze how forces, machine function, and structural safety work together in an integrated design.
• Use criteria to compare alternative design options for real-world conditions such as wind, snow, and loads.
• Apply basic calculations and evidence to justify a reasoned choice among design alternatives.

Learning Objectives

• Explain how inherited variation can become more common when environmental conditions favor certain traits
• Describe how adaptation can change the composition of a population over multiple generations
• Use examples (beak variation, pesticide resistance) to connect adaptation to both abiotic and biotic pressures

Learning Objectives

• Describe how weather includes short-term temperature, precipitation, wind, and cloud cover.
• Explain how comparing observations over time helps identify weather patterns.
• Use key vocabulary from weather data to interpret simple scenarios.+ Show more

Learning Objectives

• Convert between moles, particle counts, and mass using Avogadro’s number and molar mass.
• Use mole-to-mole ratios from balanced equations to apply stoichiometry and predict amounts of products.
• Identify the limiting reagent and estimate theoretical yield while tracking units for consistency.

Learning Objectives

• Explain how climate variation and change affect temperature, precipitation, and extreme events
• Describe how climate-driven changes can shift species ranges and alter life-cycle timing
• Analyze how mismatches between species interactions can reduce reproductive success+ Show more

Learning Objectives

• Explain how predator and prey populations affect each other over time
• Identify predator-prey dynamics such as prey decline after predator increase and prey recovery after predator decline
• Use evidence from a passage to complete scientific statements about ecosystems

Learning Objectives

• Explain how solubility changes with temperature and how that enables recrystallization
• Describe the steps of recrystallization to separate and purify a dissolved solid
• Use particle-level reasoning and basic solubility ideas to predict crystal formation

Learning Objectives

• Describe how particle motion and arrangement explain solids, liquids, and gases
• Relate changes in temperature to particle energy, movement, and state transitions
• Use particle theory to predict observable properties such as rigidity, flow, and compressibility

Learning Objectives

• Describe how energy enters ecosystems and moves through producers, consumers, and decomposers
• Explain why energy decreases between trophic levels in terms of energy loss
• Use food-web ideas to predict how detritivores and decomposers return matter and energy to ecosystems+ Show more

Learning Objectives

• Explain how cells convert energy to support life processes.
• Describe how photosynthesis and cellular respiration are connected pathways.
• Compare diffusion and transport mechanisms in moving materials across membranes.

Learning Objectives

• Identify the geosphere, hydrosphere, atmosphere, and biosphere and describe basic properties of each.
• Explain how matter and energy move through sphere interactions using Alberta examples.
• Interpret how physical structure and processes create observable regional landscape and climate patterns.