Science Worksheets

43,039 subject resources
Grade 12 Activation Energy Pathways Worksheet | Practice & PDF

Grade 12 Activation Energy Pathways Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 12

Learning Objectives

  • Explain how activation energy relates to reactant energy levels and the transition state on an energy profile diagram.
  • Describe how catalysts alter reaction pathways by lowering activation energy while leaving reactant-to-product energy differences unchanged.
  • Interpret energy diagrams to predict changes in reaction rate using collision and transition-state ideas.
$5.00
Grade 3 Material Durability Worksheet | Practice & Assessment PDF

Grade 3 Material Durability Worksheet | Practice & Assessment PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 3

Learning Objectives

  • Describe how moisture, corrosion, freeze-thaw cycles, and ultraviolet (UV) light can weaken materials over time.
  • Explain how material durability affects strength and stiffness in structures.
  • Identify maintenance actions and protective treatments that extend a structure’s reasonable lifespan.
$5.00
Grade 4 Test and Refine Worksheet | NGSS Practice PDF

Grade 4 Test and Refine Worksheet | NGSS Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 4

Learning Objectives

  • Plan a fair test by changing only one variable at a time while keeping other conditions the same.
  • Collect and record quantitative results during trials using measurements such as load, time, and displacement.
  • Interpret test outcomes to identify failure modes and decide what design change to make next.
$5.00
Grade 10 Sphere Interactions Models Worksheet | General Practice PDF

Grade 10 Sphere Interactions Models Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 10

Learning Objectives

  • Explain how energy and matter transfers connect Earth’s spheres (atmosphere, hydrosphere, geosphere, biosphere) in interaction models.
  • Use evidence and vocabulary (evaporation, condensation, runoff, groundwater, erosion, sediment, aerosols) to describe cause-and-effect relationships.
  • Interpret simple model ideas by identifying main ideas and selecting the best captions for multi-paragraph information.
$5.00
Grade 11 DNA Gene Link Worksheet | Practice & Assessment PDF Worksheet | General + Use PDF

Grade 11 DNA Gene Link Worksheet | Practice & Assessment PDF Worksheet | General + Use PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 11

Learning Objectives

  • Explain how DNA sequence information becomes expressed through genes via transcription and translation
  • Describe how genes are located on chromosomes within the nucleus and how chromosome behavior affects inheritance
  • Connect allele inheritance with chromosome pairing and segregation during cell division
$5.00
Grade 11 Design Problem Definition Worksheet | Practice & PDF

Grade 11 Design Problem Definition Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 11

Learning Objectives

  • Explain the purpose of a design problem statement and distinguish goals from constraints.
  • Identify measurable performance criteria and translate needs into quantitative specifications.
  • Use limits such as cost, space, safety, and materials to refine a design plan.
$5.00
Grade 12 Sources of Genetic Variation Worksheet | Practice & PDF

Grade 12 Sources of Genetic Variation Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 12

Learning Objectives

  • Explain how mutations, recombination, and sexual reproduction generate genetic variation within populations
  • Describe how natural selection and differences in survival/reproduction change allele frequencies over time
  • Analyze how genetic variation provides raw material for evolutionary change
$5.00
Grade 10 Design Problem Constraints Worksheet | Practice & PDF

Grade 10 Design Problem Constraints Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 10

Learning Objectives

  • Explain how design constraints (time, cost, safety, energy, and materials) limit acceptable solutions.
  • Identify and distinguish success criteria from constraints in a design problem.
  • Justify design choices by linking each major decision to specific constraints.
$5.00
Grade 8 Cratered vs Resurfaced Worlds Worksheet | General Practice PDF

Grade 8 Cratered vs Resurfaced Worlds Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 8

Learning Objectives

  • Compare how crater density helps scientists infer the relative ages of planetary surfaces
  • Explain how resurfacing processes (like lava flows) produce smoother regions with fewer visible craters
  • Use relationships between impact features and surrounding materials to support claims about geologic activity
$5.00
Grade 5 Conservation of Matter Worksheet | NGSS Practice PDF

Grade 5 Conservation of Matter Worksheet | NGSS Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 5

Learning Objectives

  • Distinguish mass from weight and explain why mass is conserved in closed systems during physical changes.
  • Use measurements to show quantitative relationships between mass and volume, including density connections.
  • Represent and interpret results (before and after) for melting, dissolving, and mixing in sealed containers.
$5.00
Grade 12 Adaptive Fitness Tradeoffs Worksheet | Practice & PDF

Grade 12 Adaptive Fitness Tradeoffs Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 12

Learning Objectives

  • Explain how adaptations can improve fitness in one environment while creating tradeoffs in another.
  • Analyze how environmental conditions (resource availability and predation pressure) influence which traits are most beneficial.
  • Use examples such as camouflage and morph-frequency shifts to support claims about context-dependent fitness.
$5.00
Grade 3 Balanced Forces Worksheet | NGSS Practice PDF

Grade 3 Balanced Forces Worksheet | NGSS Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 3

Learning Objectives

  • Explain how balanced forces keep an object’s motion the same (no change).
  • Describe how unbalanced forces cause changes in speed or direction.
  • Differentiate contact forces (pushes and friction) from net force effects.
$5.00
Grade 12 Inheritance Patterns Worksheet | Practice & PDF

Grade 12 Inheritance Patterns Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 12

Learning Objectives

  • Explain how meiosis separates chromosomes and how allele assortment in gametes leads to inheritance patterns in offspring.
  • Use Punnett-square reasoning to predict genotype and phenotype outcomes from dominance and recessiveness.
  • Interpret how recombination during sexual reproduction produces new allele combinations and genetic variation.
$5.00
Grade 6 Thrust Systems Worksheet | Flight, Propulsion & Forces

Grade 6 Thrust Systems Worksheet | Flight, Propulsion & Forces

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 6

Learning Objectives

  • Explain how propellers and jet engines create thrust using different physical mechanisms
  • Describe how thrust-to-weight ratio affects acceleration, climb, and sustained flight
  • Compare propulsive efficiency and trade-offs across speed regimes and design constraints
$5.00
Grade 9 Mountain Building Worksheet | Practice & Assessment PDF

Grade 9 Mountain Building Worksheet | Practice & Assessment PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 9

Learning Objectives

  • Explain how plate convergence and continental collision can fold, fault, and uplift Earth’s crust to form mountain ranges.
  • Identify key processes involved in orogeny, including thrust faulting, crustal shortening, magmatic intrusion, and isostatic rebound.
  • Use evidence from rock types, structures, and timing to interpret tectonic history and past plate motions.
$5.00
Grade 9 Eclipses Explained Worksheet | Practice & Assessment PDF

Grade 9 Eclipses Explained Worksheet | Practice & Assessment PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 9

Learning Objectives

  • Explain how solar and lunar eclipses occur using the relative positions of the Sun, Earth, and Moon.
  • Describe how orbital inclination and nodes affect how often eclipses happen and where totality can be seen.
  • Use eclipse geometry to make reasoned claims about shadow type (umbra vs. penumbra) and viewing conditions.
$5.00
Grade 3 Flower to Seed Worksheet | NGSS Practice & PDF

Grade 3 Flower to Seed Worksheet | NGSS Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 3

Learning Objectives

  • Identify key flower parts and explain how they help produce seeds.
  • Describe how fruit forms to protect seeds and help with dispersal.
  • Explain why seeds are important for starting new plant life cycles.
$5.00
Grade 4 Instrument Examples Worksheet | Ontario Practice PDF

Grade 4 Instrument Examples Worksheet | Ontario Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 4

Learning Objectives

  • Explain how strings change pitch using length, tension, and mass per unit length
  • Describe how wind instruments change pitch using effective air-column length and opening patterns
  • Connect percussion pitch and tone to size, tension, and material stiffness
$5.00
Grade 5 Health Maintenance Worksheet PDF | Ontario Science Assessment

Grade 5 Health Maintenance Worksheet PDF | Ontario Science Assessment

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 5

Learning Objectives

  • Explain how balanced nutrition supports organ system functioning, including tissue repair and enzyme activity.
  • Describe how hydration, aerobic activity, sleep, and hygiene affect the body’s systems to support recovery and prevent common impairments.
  • Use evidence-based cause-and-effect reasoning to predict how health habits influence physiological processes.
$5.00
Grade 5 Data Classification Worksheet | Ontario Science PDF & Answer Key

Grade 5 Data Classification Worksheet | Ontario Science PDF & Answer Key

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 5

Learning Objectives

  • Identify how measured and observed properties can be used to classify materials as solids or liquids.
  • Construct simple property tables and compare numerical values to support classification decisions.
  • Apply clear decision criteria using more than one property to handle ambiguous cases.
$5.00
Grade 7 Simple Systems And Mechanisms Worksheet | General Practice PDF

Grade 7 Simple Systems And Mechanisms Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 7

Learning Objectives

  • Identify common simple mechanisms (gears, pulleys, levers, and linkages) and describe how they transfer motion or force.
  • Explain how an engineered system connects input energy to output performance using cause-and-effect reasoning.
  • Use evidence from a mechanism (like gear ratio or lever position) to predict changes in speed and torque.
$5.00
Grade 6 Model Limitations Worksheet | Practice & Assessment PDF

Grade 6 Model Limitations Worksheet | Practice & Assessment PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 6

Learning Objectives

  • Explain how scientific models use assumptions to represent real-world phenomena
  • Identify evidence-based ways to check whether a model’s predictions match observations
  • Describe the limitations of a model and connect conclusions to the strength of the evidence
$5.00
Grade 6 Wind Tunnel Worksheet | Aerodynamics & Engineering Science

Grade 6 Wind Tunnel Worksheet | Aerodynamics & Engineering Science

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 6

Learning Objectives

  • Explain how wind tunnels measure lift, drag, and moments using force balances and scaled models
  • Identify how similarity parameters like Reynolds number and Mach number affect results
  • Use pressure taps and flow visualization to interpret airflow patterns
$5.00
Grade 11 Internal And External Processes Worksheet | General Practice PDF

Grade 11 Internal And External Processes Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 11

Learning Objectives

  • Explain how internal Earth processes (plate tectonics, volcanism, uplift) reshape landscapes
  • Describe how external Earth processes (weathering, erosion, deposition) transport and transform materials
  • Analyze how the balance of uplift and erosion controls river profiles, valley shapes, and exposed rock layers
$5.00
Grade 11 Climate Evidence Trends Worksheet | General Use Practice PDF

Grade 11 Climate Evidence Trends Worksheet | General Use Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 11

Learning Objectives

  • Explain how multiple evidence sources (temperature records, ice cores, sediments, and ocean observations) are used to infer climate change.
  • Differentiate short-term weather variability from long-term climate trends using evidence.
  • Analyze whether observed climate shifts are gradual, abrupt, or cyclical by synthesizing data patterns.
$5.00
Grade 9 Membrane Transport Worksheet | Practice & Review PDF

Grade 9 Membrane Transport Worksheet | Practice & Review PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 9

Learning Objectives

  • Explain how the plasma membrane functions as a selectively permeable barrier
  • Compare passive transport (diffusion and osmosis) with active transport
  • Describe how membrane proteins (channels, pumps, carriers, and receptors) support cellular transport and communication
Free
Grade 9 Natural Selection Worksheet | NGSS Practice PDF

Grade 9 Natural Selection Worksheet | NGSS Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 9

Learning Objectives

  • Explain how variation in inherited traits influences survival and reproduction in a given environment
  • Describe how natural selection can change the traits of a population over many generations
  • Use vocabulary such as fitness, adaptation, and inheritance to interpret real-life examples of natural selection
$5.00
Grade 10 Conservation Energy Worksheet | Practice & PDF

Grade 10 Conservation Energy Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 10

Learning Objectives

  • Explain energy conservation using the idea that energy is neither created nor destroyed, only transferred and transformed
  • Use qualitative energy accounting to track how energy forms change within a closed system
  • Relate decreases in mechanical energy to nonconservative forces such as friction
$5.00
Grade 5 Phase Behaviour Worksheet Ontario Science PDF with Answer Key

Grade 5 Phase Behaviour Worksheet Ontario Science PDF with Answer Key

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 5

Learning Objectives

  • Explain phase changes using particle behaviour and kinetic energy
  • Connect melting, freezing, evaporation, and condensation to energy transfers
  • Identify how intermolecular forces affect the state of matter
$5.00
Grade 5 Prototype Improvement Worksheet | General Practice PDF

Grade 5 Prototype Improvement Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 5

Learning Objectives

  • Explain how trial results provide data to guide improvements to a prototype.
  • Identify performance measures and connect them to specific design changes.
  • Use evidence from tests to justify why a prototype was improved.
$5.00
Grade 11 Atomic Structure Worksheet | Practice & Assessment PDF

Grade 11 Atomic Structure Worksheet | Practice & Assessment PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 11

Learning Objectives

  • Explain how protons, neutrons, and electrons determine an atom’s identity and overall charge.
  • Use the electron energy level model to predict electron arrangement and likely bonding behavior.
  • Relate atomic structure to physical and chemical properties such as stability and reactivity.
$5.00
Grade 11 Reliability Optimization Metrics Worksheet | Practice & PDF

Grade 11 Reliability Optimization Metrics Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 11

Learning Objectives

  • Explain how reliability-centered optimization uses performance expectations under repeated operation and changing conditions.
  • Identify and interpret key reliability optimization metrics such as stability, efficiency over time, and acceptable failure rates.
  • Evaluate how models, simulations, and test results work together to validate reliability targets.
$5.00
Grade 10 Natural Selection Worksheet | General Practice PDF

Grade 10 Natural Selection Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 10

Learning Objectives

  • Explain how heritable variation and differential reproduction lead to natural selection in populations
  • Describe how allele frequencies can shift over generations as a result of selection pressures
  • Use examples to distinguish adaptation from an organism’s lifetime responses to the environment
$5.00
Grade 7 Science Risk Assessment Worksheet | Ontario Curriculum | PDF

Grade 7 Science Risk Assessment Worksheet | Ontario Curriculum | PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 7

Learning Objectives

  • Identify common hazards in laboratory and field contexts and locate relevant hazard information in Safety Data Sheets (SDS).
  • Explain how likelihood and severity affect risk and how controls reduce risk using the hierarchy of controls.
  • Describe appropriate emergency planning, signage, incident reporting, and ethical responsibilities for personal and community safety.
$5.00
Grade 10 Weather Climate Links Worksheet | General Practice PDF

Grade 10 Weather Climate Links Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 10

Learning Objectives

  • Explain how unequal solar heating drives pressure differences and winds
  • Describe how rising air cools to form clouds and precipitation
  • Connect weather processes (fronts, convection, circulation) to long-term climate patterns
$5.00
Grade 10 Testable Questions Worksheet | NGSS Practice PDF

Grade 10 Testable Questions Worksheet | NGSS Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 10

Learning Objectives

  • Distinguish between testable questions and questions that cannot be answered with evidence.
  • Identify how a testable question links a claim to measurable variables.
  • Explain how hypotheses predict relationships that can be evaluated through investigation.
$5.00
Grade 12 Community Interactions Worksheet | Alberta Practice PDF

Grade 12 Community Interactions Worksheet | Alberta Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 12

Learning Objectives

  • Explain how competition, predation, parasitism, mutualism, and commensalism structure ecological communities.
  • Analyze how energy flow and trophic efficiency influence food webs and biomass distribution.
  • Evaluate Alberta examples to describe how interspecific interactions affect community composition, resilience, and biodiversity.
$5.00
Grade 10 Magnetic Fields Worksheet | BC Use Practice PDF

Grade 10 Magnetic Fields Worksheet | BC Use Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 10

Learning Objectives

  • Explain how moving charges and electric currents produce magnetic fields.
  • Use the right-hand rule to determine the direction of magnetic field lines around currents and magnets.
  • Describe how magnetic forces act on moving charges perpendicular to both velocity and the magnetic field, including the effects on trajectories.
$5.00
Grade 4 Pitch And Volume Worksheet | Practice & Assessment PDF

Grade 4 Pitch And Volume Worksheet | Practice & Assessment PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 4

Learning Objectives

  • Explain how amplitude relates to sound volume (loudness) using simple observations.
  • Describe how pitch relates to how fast an object vibrates.
  • Use distance to predict how clearly a sound can be heard.
$5.00
Grade 3 Material Uses Worksheet | Practice & Assessment PDF

Grade 3 Material Uses Worksheet | Practice & Assessment PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 3

Learning Objectives

  • Explain how the properties of rocks help them be used for hard, durable surfaces and construction.
  • Describe how soil properties support plant growth and water absorption.
  • Compare how rocks and soil behave and explain why different materials are chosen for different jobs.
$5.00
Grade 6 Iterative Improvement Worksheet | Practice & Assessment PDF

Grade 6 Iterative Improvement Worksheet | Practice & Assessment PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 6

Learning Objectives

  • Explain how iterative improvement uses test results to refine both function and constraints.
  • Identify how trade-offs must be considered when revising a design after failures.
  • Use evidence from evaluation criteria to decide what to change next in a prototype.
$5.00
Grade 8 Molecules And States Worksheet | General Practice PDF

Grade 8 Molecules And States Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 8

Learning Objectives

  • Describe solids, liquids, and gases using the particle model (spacing and motion).
  • Explain how temperature relates to particle motion and state changes.
  • Predict how volume and shape differ across states of matter.
$5.00
Grade 6 Decomposers And Nutrient Return Worksheet | Practice & PDF

Grade 6 Decomposers And Nutrient Return Worksheet | Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 6

Learning Objectives

  • Explain how decomposers break down dead organisms and waste
  • Describe how nutrients return to soil and water and become available to producers
  • Analyze how decomposer activity affects ecosystem structure and plant growth
$5.00
Grade 10 Work and Energy Change Worksheet | NDSS Practice PDF

Grade 10 Work and Energy Change Worksheet | NDSS Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 10

Learning Objectives

  • Explain how work done by a force through displacement changes a system’s energy components
  • Interpret energy graphs by relating trends (including slope) to energy transfer and net work
  • Differentiate between kinetic, gravitational potential, and elastic energy in real scenarios
$5.00
Grade 8 Gas Exchange Worksheet | Practice & BC Standards PDF

Grade 8 Gas Exchange Worksheet | Practice & BC Standards PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 8

Learning Objectives

  • Explain how diffusion is used in gas exchange between an organism and its environment
  • Identify how structure (surface area, thin/wet surfaces, and air spaces) supports rapid oxygen and carbon dioxide transfer
  • Compare gas exchange in lungs (alveoli) and leaves (stomata and spongy mesophyll) using structure–function principles
$5.00
Grade 6 Wave Interactions Worksheet | BC Practice & PDF

Grade 6 Wave Interactions Worksheet | BC Practice & PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 6

Learning Objectives

  • Explain how interference and superposition determine whether waves add or cancel
  • Describe resonance and standing waves using nodes and antinodes
  • Compare constructive interference, destructive interference, and damping effects on wave energy
$5.00
Grade 8 Observable Conservation Worksheet | BC Practice PDF

Grade 8 Observable Conservation Worksheet | BC Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 8

Learning Objectives

  • Explain how conservation of mass applies to closed systems during chemical reactions.
  • Use measurements before and after a reaction to account for mass changes in sealed setups.
  • Interpret observations from traps or sealed containers to distinguish environmental loss from conservation.
$5.00
Grade 11 Forces And Net Results Worksheet | General Practice PDF

Grade 11 Forces And Net Results Worksheet | General Practice PDF

Clear Sky ClassroomCreated byClear Sky Classroom
ScienceGrade 11

Learning Objectives

  • Explain how net force determines changes in an object’s motion and acceleration
  • Use free-body diagrams to identify contact forces and frictional forces
  • Determine net direction and magnitude by combining force vectors
$5.00

Browse more categories

About Science Worksheets

Find Science worksheets spanning core skills, practice, and review. All 43,039 resources are instant PDF downloads for the classroom or home.

Every worksheet on MyTeachingSheets is created by independent teacher-authors and reviewed before publication. All resources download as printable PDFs for classroom, homework, or at-home practice, and many include answer keys. Preview any worksheet free before buying.