Science Worksheets

Learning Objectives

• Explain the difference between raw observations and explanatory science claims.
• Use evidence to decide whether a scientific claim is strongly supported or weakly supported.
• Interpret patterns in data to strengthen (or question) an inference.+ Show more

Learning Objectives

• Explain how cell specialization helps cells perform specific roles in an organism.
• Describe how differentiation changes gene expression to produce functional proteins and specialized structures.
• Connect specialized cells to tissues and how tissues support organ functions.+ Show more

Learning Objectives

• Explain the first law of thermodynamics and apply it to energy changes in metabolic reactions.
• Describe how the second law relates to entropy and inefficiencies in cellular energy use.
• Interpret Gibbs free energy to predict whether a reaction is spontaneous and how ATP coupling affects pathways.

Learning Objectives

• Identify and distinguish mutualism, competition, predation, and parasitism as common species interactions.
• Explain how shared resources and behavioral strategies can change the strength of interactions.
• Use habitat context (forest, grassland, freshwater) and species traits to predict interaction outcomes.

Learning Objectives

• Explain how actin and myosin filaments work together during muscle contraction
• Describe how ATP and calcium ions regulate the power and timing of contraction
• Connect sarcomere organization to differences in contraction strength and speed

Learning Objectives

• Explain how potential energy depends on an object’s position or arrangement and on interactions at a distance.
• Describe gravitational, elastic, and magnetic potential energy using models (mass on a shelf, compressed spring, separated magnets).
• Predict how changing spatial arrangement affects stored potential energy and later motion or work.

Learning Objectives

• Interpret P-wave and S-wave arrival times to infer distance from an earthquake source.
• Use travel-time curves and waveform features (amplitude and frequency) to compare shallow vs. deep events.
• Connect epicenter maps and seismicity patterns to plate interactions and likely rupture behavior.

Learning Objectives

• Explain how equal-and-opposite interaction forces during a collision relate to changes in momentum
• Use conservation of linear momentum to analyze pre- and post-collision motion for systems of two objects
• Distinguish elastic from inelastic collisions using kinetic energy and momentum+ Show more

Learning Objectives

• Differentiate static electricity from current electricity by describing charge movement and effects.
• Explain how conductors, insulators, and electron transfer relate to electrostatic phenomena.
• Use charge interactions (attract/repel) to predict outcomes in simple scenarios.+ Show more

Learning Objectives

• Explain how nephrons regulate fluid volume, electrolyte balance, and acid-base balance using filtration, reabsorption, secretion, and excretion.
• Describe how aldosterone and antidiuretic hormone (ADH) control sodium, potassium, and water handling to influence blood pressure and osmolarity.
• Interpret renal clearance and the renin-angiotensin feedback system as mechanisms that maintain internal stability.

Learning Objectives

• Explain how applied force and displacement are linked to changes in mechanical energy during motion.
• Describe qualitative shifts between gravitational potential energy and kinetic energy in everyday situations.
• Predict the direction of energy change when forces do work or when friction brakes motion.

Learning Objectives

• Explain how nitrogen and phosphorus move through organisms, soils, water, and the atmosphere during nutrient cycling.
• Describe key biological processes (nitrogen fixation, assimilation, mineralization, and denitrification) and how they affect nutrient availability.
• Analyze how human inputs and land-use changes can increase nutrient loading and lead to eutrophication in aquatic ecosystems.

Learning Objectives

• Explain how relative dating and stratigraphic principles help determine the sequence of geologic events.
• Describe how absolute dating (radiometric dating) estimates the ages of rocks and geologic events.
• Interpret the geologic time scale and fossil succession to reconstruct Earth’s past environments.+ Show more

Learning Objectives

• Use linear approximation to estimate how measurement uncertainty changes through a calculation.
• Apply Monte Carlo sampling to propagate uncertainty when a formula is nonlinear or complex.
• Use sensitivity coefficients to identify dominant sources of uncertainty in a derived result.+ Show more

Learning Objectives

• Explain how allele frequencies are expected to change under selection, genetic drift, migration, and mutation.
• Use the Hardy-Weinberg equilibrium idea as a null model to identify when evolution is likely occurring.
• Interpret selection coefficients, fitness landscapes, and effective population size to predict evolutionary outcomes.+ Show more

Learning Objectives

• Explain how elastic forces in springs relate to deformation (displacement) for linear elastic behavior.
• Describe the direction of restorative force and how elastic components help achieve force balance in systems.
• Identify limits where proportional (linear) behavior may no longer hold for springs and elastic elements.

Learning Objectives

• Explain how fulcrum placement and torque affect mechanical advantage in levers.
• Classify levers (first, second, and third class) and identify effort and load positions in real tools.
• Calculate ideal mechanical advantage for lever arm lengths and pulley supporting rope segments.+ Show more

Learning Objectives

• Analyze observational and instrumental data to identify patterns in natural hazards.
• Explain how recurrence intervals and frequency statistics relate to probable events.
• Use hazard information to estimate locations and magnitudes for basic risk assessment.

Learning Objectives

• Explain how weathering, erosion, transport, and deposition interact to shape landscapes and create sedimentary records.
• Use process-response thinking (climate, vegetation, tectonics) to predict changes in surface-change rates.
• Interpret sediment budgets and link them to channel profile behavior and depositional environments.+ Show more

Learning Objectives

• Explain how energy from the Sun drives interacting processes in the atmosphere, oceans, land, and ice
• Describe positive and negative feedbacks in Earth’s climate system and give real examples
• Evaluate how feedbacks can shift the likelihood of droughts, heavy precipitation, and heat waves

Learning Objectives

• Explain how an iteration loop uses test evidence to improve a design repeatedly until it meets criteria.
• Describe how design cycle changes (dimensions, materials, alignment, and component interactions) relate to observed test results.
• Evaluate reliability and safety margin considerations during repeated revisions.

Learning Objectives

• Explain how cell models use structure to represent function of organelles and membrane systems.
• Use models to interpret membrane transport processes such as diffusion and osmosis.
• Relate organelle energy pathways (mitochondria and chloroplasts) to cell viability in models.+ Show more

Learning Objectives

• Explain how engineering design thinking starts with defining a problem using clear criteria and constraints
• Identify how specifications and measurable performance indicators guide ideation and selection of solutions
• Use trade-off matrices and feasibility criteria to compare conceptual solutions based on materials, cost, and environmental impact+ Show more

Learning Objectives

• Compare major groups of microorganisms by cellular organization, genetic material type, and reproduction strategies.
• Explain how viruses depend on host cellular machinery and why they are not considered cells.
• Describe how different microbial groups occupy distinct ecological niches and contribute to ecosystems and human contexts.

Learning Objectives

• Explain how natural selection changes allele frequencies across generations using the idea of differential fitness.
• Identify forms of evidence for selection, including observed trait change over time and geographic differences among populations.
• Connect population-level observations (e.g., survival, reproduction, resistance) to heritable variation.

Learning Objectives

• Explain how geographic isolation, ecological divergence, and chromosomal changes contribute to reproductive isolation.
• Describe how hybridization and adaptive radiation can generate new lineages and species.
• Interpret how phylogenetic trees and fossil records provide evidence for speciation events.

Learning Objectives

• Explain how feedback mechanisms maintain internal stability in the human body
• Identify the roles of sensors, integrating centers, and effectors in homeostasis
• Describe how cells (membranes and enzymes) support organism-level regulation

Learning Objectives

• Explain how solar and lunar eclipses happen due to alignment within the Earth–Moon–Sun system.
• Distinguish umbra and penumbra and relate them to what people can see during an eclipse.
• Describe how spring and neap tides result from the changing gravitational alignment of the Moon and Sun.+ Show more

Learning Objectives

• Explain how competition, predation, parasitism, mutualism, and commensalism influence species abundance and community structure
• Describe how niche partitioning and competitive exclusion help determine whether similar species can coexist
• Analyze how keystone species and interaction networks can cause indirect and cascading effects in ecosystems+ Show more

Learning Objectives

• Describe the phases of the cell cycle, including interphase, mitosis, and cytokinesis
• Explain how DNA replication, chromosome segregation, and checkpoints help maintain genetic fidelity
• Compare the roles of cyclins and kinases in regulating cell cycle progression+ Show more

Learning Objectives

• Define the changing variable, responding variable, and fixed conditions in a science investigation.
• Explain why controlled variables help scientists separate cause from coincidence.
• Use a study plan to choose one change at a time while keeping background conditions the same.

Learning Objectives

• Explain how Earth’s rotation causes day and night
• Describe how the Sun appears to move across the sky during the day
• Use observations (daylight and darkness timing) to support the day/night pattern

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

• Explain how exponential growth, logistic regulation, and cyclical fluctuations can appear in population data.
• Describe how carrying capacity, reproduction, predation, and time lags shape population trajectories.
• Use Alberta examples (snowshoe hare–lynx cycles and forest insect outbreaks) to connect theory to real ecosystems.+ Show more

Learning Objectives

• Explain how unit cells and repeating 3D arrangements form crystal lattices.
• Compare ionic, metallic, and covalent network lattices using structure-property relationships.
• Predict how lattice type affects properties such as brittleness, electrical conductivity, and melting point.

Learning Objectives

• Explain how predation, competition, mutualism, and parasitism affect individual survival and reproduction
• Connect species interactions to changes in population size over time
• Use evidence from interactions to predict how community structure can shift when the environment changes

Learning Objectives

• Predict molecular shape and bond angles using VSEPR electron-domain counting
• Relate molecular shape to hybridization and bonding directionality
• Explain how molecular geometry and symmetry determine polarity and intermolecular interactions+ Show more

Learning Objectives

• Explain how patterns in tables and charts can be represented with simple models to show relationships.
• Use a model to make predictions and describe where evidence supports the model.
• Identify when a model needs more data because observations do not follow the pattern.

Learning Objectives

• Interpret distance–time and velocity–time graphs by relating slope to speed/acceleration and area to displacement
• Extract acceleration and speed information from linear and non-linear motion graphs
• Compare different motion profiles qualitatively using features of their graphs

Learning Objectives

• Explain how producers, consumers, and decomposers are linked in trophic structures and food chains.
• Compare how energy flows through food webs with how matter cycles through ecosystems.
• Analyze how trophic efficiency and trophic cascades affect biomass and ecosystem productivity.

Learning Objectives

• Distinguish mass from weight using correct scientific definitions.
• Use the relationship W = m × g to predict how weight changes with mass and gravitational acceleration.
• Explain why identical masses experience the same gravitational force per unit mass at the same location.+ Show more

Learning Objectives

• Explain how biological systems integrate processes across molecular, cellular, organismal, and ecosystem scales.
• Model feedback loops and regulatory networks and predict how perturbations propagate through a system.
• Evaluate the strengths and limits of reductionist explanations and justify multi-scale modeling approaches.+ Show more

Learning Objectives

• Explain how design criteria for success can be measurable or observable in a science design problem.
• Identify common constraints (time, materials, cost, safety) and describe how they affect possible solutions.
• Describe trade-offs and improvement by connecting test evidence to criteria rather than appearance.+ Show more

Learning Objectives

• Identify producers, consumers, and decomposers and describe their roles in a food web.
• Explain how energy flows through trophic levels using examples from a forest ecosystem.
• Describe how seasonal changes and disruptions (invasive species or pest outbreaks) can alter food webs.

Learning Objectives

• Explain how net centripetal force and centripetal acceleration maintain circular motion
• Differentiate radial (centripetal) and tangential components and predict changes in speed vs. direction
• Use qualitative relationships involving mass, speed squared, and radius to reason about centripetal force in real situations

Learning Objectives

• Explain how angle of attack changes airflow patterns around an airfoil
• Describe how lift and stall onset depend on increasing angle of attack
• Connect wing incidence and control inputs to effective angle of attack during flight

Learning Objectives

• Explain how magmatic differentiation, hydrothermal circulation, and sedimentary concentration contribute to ore formation.
• Describe how structural traps, permeability contrasts, and host-rock chemistry control where ore minerals accumulate.
• Identify typical mineral assemblages and link them to deposit types and tectonic settings.

Learning Objectives

• Explain the steps of the scientific method and why they repeat when new evidence appears.
• Write a testable hypothesis, including a clear prediction based on measurable observations.
• Use operational definitions and controlled comparisons to make causal claims supported by evidence.