Science Worksheets
43,039 subject resourcesGrade 7 Physical and Chemical Changes Worksheet NGSSS Science Practice
Learning Objectives
- Differentiate physical changes from chemical changes based on observable evidence.
- Identify indicators of chemical change such as color change, gas production, precipitate formation, and temperature change.
- Apply particle and matter concepts to predict whether a process is likely physical or chemical.
Grade 6 Physical vs Chemical Changes Worksheet with Answer Key | Florida NGSSS
Learning Objectives
- Distinguish physical changes from chemical changes by identifying evidence of new substances.
- Describe common indicators of chemical change (gas formation, color change, temperature change, permanent texture change).
- Classify everyday examples of matter changes and justify the classification using observable evidence.
Grade 7 Science Worksheet | Population Interactions with Answer Key (PDF)
Learning Objectives
- Identify how competition, predation, and mutualism affect population sizes and community composition
- Explain how resource use overlap can lead to competitive exclusion and how niches allow coexistence
- Use examples to predict likely outcomes for population trajectories under different interaction types
Grade 12 Ecosystem Processes Worksheet | Biology Energy Flow Activity
Learning Objectives
- Explain how primary productivity, decomposition, and nutrient cycling influence energy flow and ecosystem turnover.
- Describe biogeochemical cycles of carbon, nitrogen, and phosphorus and how they connect organisms to the atmosphere, soils, and hydrosphere.
- Apply Alberta-specific ecosystem examples to predict how land-use change and climate variability affect productivity and resilience.
Devices and Radiation Worksheet | Electromagnetic Radiation Grade 12
Learning Objectives
- Explain how reflection, refraction, interference, and absorption affect electromagnetic radiation in devices.
- Analyze how wavelength and wave behavior influence imaging resolution and sensor detection.
- Use radiation interaction principles to justify design choices in communication and optical sensing systems.
Grade 10 Science | Genetic Mutations Worksheet (TEKS) (PDF)
Learning Objectives
- Explain how different types of genetic mutations change nucleotide sequences
- Predict how mutations can alter gene expression and protein structure or function
- Connect mutation types to possible effects on traits, disorders, and fitness
Evolution Evidence Worksheet Grade 10 NGSSS Biology Activity & Notes
Learning Objectives
- Explain how fossil records provide evidence for evolutionary change over geologic time.
- Use comparative anatomy and biogeography to infer relationships among species.
- Describe how DNA sequence comparisons support common ancestry.
Grade 11 Science – Species Interactions Worksheet (TEKS) (PDF)
Learning Objectives
- Explain how species interactions (competition, predation, herbivory, mutualism, commensalism, and parasitism) affect community structure and population sizes.
- Analyze how trophic interactions can create top-down and bottom-up controls and produce cascading effects.
- Evaluate how abiotic factors (temperature, moisture, nutrients) modulate interaction strength and outcomes in terrestrial and aquatic systems.
6th Grade Science Worksheet | Understanding Circuit Components (PDF)
Learning Objectives
- Identify the main components of a simple electrical circuit (battery, conductors, loads, and switches).
- Describe the role of each component in allowing charge to flow and using electrical energy.
- Explain how electrical energy is transformed into other forms of energy in common circuit loads (like bulbs or resistors).
Grade 9 Science: Reproductive Modes Worksheet – Alberta Standards (PDF)
Learning Objectives
- Compare sexual and asexual reproduction in terms of genetic variation
- Identify examples of reproductive strategies found in Alberta ecosystems
- Explain ecological trade-offs between population growth and genetic diversity
Grade 9 Science | Natural Selection Worksheet (TEKS) Practice Set
Learning Objectives
- Explain how natural selection acts on heritable variation within a population to change allele frequencies over generations.
- Identify and distinguish directional, stabilizing, and disruptive selection using trait distributions and real-world examples.
- Analyze how mutation, gene flow, and genetic drift interact with selection to influence evolutionary outcomes.
6th Grade Science | Defense Interactions Worksheet (PDF) – BC Standards
Learning Objectives
- Explain how barrier defenses (skin and mucous membranes) help prevent pathogens from entering the body.
- Describe how innate immune responses (including inflammation) help remove pathogens quickly.
- Summarize how adaptive immune responses produce antibodies and create long-term immune memory.
Grade 7 Science | Nucleus Function Worksheet (PDF) BC Standards
Learning Objectives
- Explain how the nucleus houses genetic material and how it influences cell activities
- Describe the roles of the nuclear envelope and nuclear pores in regulating traffic between nucleus and cytoplasm
- Connect DNA, genes, transcription, translation, and protein synthesis to nucleus function
6th Grade Science – Stability Balance Worksheet (Alberta Standards) (PDF)
Learning Objectives
- Explain how the center of mass and center of pressure affect longitudinal and lateral static stability.
- Describe how design features such as dihedral angles and tail volume influence an object’s tendency to return to a steady attitude after a disturbance.
- Apply balance ideas to real contexts such as aircraft payload placement and small glider flight in changing wind.
Grade 8 Science – Circuit Fundamentals Worksheet (Alberta Standards) (PDF)
Learning Objectives
- Identify the roles of a power source, conductors, loads, and control elements in a simple electric circuit.
- Interpret common circuit schematic symbols and explain how they relate to circuit behavior.
- Predict what happens to current and continuity when switches are open or closed in series and parallel circuits.
High School Science | Molecular Geometry Worksheet (BC Standards) (PDF)
Learning Objectives
- Use the VSEPR model to predict molecular shapes from bonding pairs and lone pairs around a central atom.
- Identify how electron-pair geometry differs from molecular geometry and how each affects molecular properties.
- Explain connections between molecular geometry and polarity, dipole moments, and intermolecular forces.
Grade 10 Science – Motion Description Worksheet (PDF) Aligned with BC Standards
Learning Objectives
- Distinguish between position, displacement, speed, and velocity and explain how scalar/vector ideas apply to motion.
- Use time intervals and reference frames to interpret numerical motion values and motion graphs.
- Apply constant-acceleration relationships to predict future motion and explain acceleration using kinematic descriptions.
Evaluating Claims Worksheet Grade 12 NGSSS Science Critical Thinking
Learning Objectives
- Distinguish scientific claims from pseudoscientific claims by evaluating evidence quality and reasoning.
- Apply criteria for credibility: transparency, empirical support, and alignment between data and interpretation.
- Assess bias, assumptions, and overgeneralization in scientific explanations.
Grade 9 Science Reaction Essentials Worksheet (BC Standards) – PDF
Learning Objectives
- Explain how chemical bonds break and form during reactions and how this relates to energy changes.
- Interpret symbolic chemical equations using states, subscripts, and stoichiometric coefficients.
- Use the relative amounts indicated by coefficients to reason about reactants and products in simple reactions.
Trophic Dynamics Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Explain how energy is transferred and lost across trophic levels using trophic pyramids and ecological efficiency.
- Describe how food webs are structured and how predators and prey can influence energy flow through top-down and bottom-up control.
- Quantify relationships among production, biomass, and ecological efficiency using kelp-forest and grassland style examples.
DNA to Protein Worksheet Grade 12 NGSSS Biology Protein Synthesis
Learning Objectives
- Explain how genetic information in DNA is used to produce messenger RNA (transcription).
- Describe how ribosomes translate mRNA codons into a polypeptide using tRNA and amino acids.
- Connect changes in the DNA sequence to possible effects on protein function and traits.
Grade 9 Science – Model-Data Fit Worksheet (AP Standards + Practice)
Learning Objectives
- Use residual plots and graphical overlays to evaluate how well a model matches empirical data
- Interpret patterns in residuals to diagnose systematic errors, heteroscedasticity, and missing variables
- Select appropriate goodness-of-fit ideas and justify whether to accept, modify, or reject a model
Reaction Evidence Worksheet Grade 9 Science NGSSS Inquiry Practice
Learning Objectives
- Identify observable evidence that indicates a chemical reaction is forming new substances
- Explain how reaction evidence connects to atom rearrangement and bonding changes
- Distinguish chemical changes from physical changes using specific clues such as gas, precipitate, color, temperature, and odor
Grade 12 Kepler Orbit Evidence Worksheet | Astronomy | California Standards
Learning Objectives
- Explain how Kepler’s laws describe relationships between a planet’s orbital period and its distance from the star.
- Connect orbital motion to gravitational forces and centripetal acceleration in circular and elliptical approximations.
- Evaluate evidence from multiple planetary systems to support the idea of consistent underlying physics.
Net Force Direction Worksheet | Grade 10 Physics Science CA Standards
Learning Objectives
- Explain how the direction of net force determines the direction of acceleration
- Use vector addition to predict how multiple forces combine into a single net effect
- Relate force diagrams to observed changes in velocity, including speeding up, slowing down, and turning
Grade 11 Reaction Types Worksheet with Answer Key | Florida NGSSS Chemistry
Learning Objectives
- Classify common chemical reactions into synthesis, decomposition, single replacement, and double replacement
- Use conservation of atoms and typical reaction patterns to predict likely products
- Interpret evidence such as gas, precipitate, temperature change, and color change to identify reaction types
Action Reaction Worksheet | Newton's Third Law Physics Grade 12 Science
Learning Objectives
- Explain Newton’s third law as force pairs that act on different objects and have equal magnitude and opposite direction.
- Analyze collision scenarios using action–reaction force pairs to predict momentum change and recoil.
- Differentiate how mass differences lead to different accelerations from the same interaction force pair.
Grade 10 Science | Gene Regulation Worksheet (TEKS) Practice Set (PDF)
Learning Objectives
- Explain how promoters, enhancers, and transcription factors regulate transcription initiation and the activity of RNA polymerase.
- Describe how alternative splicing and RNA interference change the final mRNA (and thus protein) outcomes after transcription.
- Compare how DNA methylation and histone modifications affect chromatin accessibility and long-term gene expression.
Grade 9 Energy Conversion Systems Worksheet | California Science + Answer Key
Learning Objectives
- Explain how energy is conserved during energy conversions in real systems
- Describe why some energy becomes less useful as thermal energy during conversions
- Calculate or reason about efficiency using useful output and total input energy
Science and Technology Worksheet Grade 12 NGSSS + Answer Key
Learning Objectives
- Differentiate the goals of science and technology when they use overlapping tools and evidence.
- Explain how scientific knowledge can be used as one constraint or input in engineering design.
- Analyze real-world examples (like electricity and medical imaging) to identify science vs technology contributions.
Grade 10 Reaction Energy Worksheet with Answer Key | Florida NGSSS Science
Learning Objectives
- Explain how reaction energy changes from reactants to products and distinguish endothermic and exothermic reactions.
- Use energy profiles to interpret bond breaking, bond forming, and overall energy change.
- Describe the role of activation energy and connect it to the energy barrier between reactants and products.
Grade 12 Science | Ethical Review Worksheet (TEKS) – Standards Aligned PDF
Learning Objectives
- Explain the purpose of ethical review in research and how it supports public trust and participant safety.
- Identify common research-integrity issues (conflicts of interest, data mismanagement, authorship problems) and their consequences.
- Apply ethical principles to situations involving reproducibility, transparent reporting, peer review, and anomalous or negative results.
Grade 6 Balanced Forces Worksheet | Florida NGSSS Science with Answer Key
Learning Objectives
- Explain the difference between balanced and unbalanced forces using the idea of net force.
- Predict how an object’s speed and/or direction changes when forces do or do not cancel out.
- Connect the direction of the net force to the observable change in motion.
Genes and Chromosomes Worksheet Grade 12 NGSSS Science Genetics
Learning Objectives
- Explain how genes located on chromosomes influence inherited traits.
- Describe how chromosome behavior during cell division supports the transmission of genetic information.
- Use evidence from gene and chromosome structure to interpret patterns of inheritance and variation.
Grade 11 Explanatory Models Worksheet | Florida NGSSS Science Answer Key
Learning Objectives
- Explain how scientific explanatory models represent variables and relationships in natural phenomena
- Identify how evidence and reasoning are linked through model assumptions and predictions
- Evaluate model quality by checking scope, variables, and consistency with observations
Phase Changes Worksheet | Grade 8 Science NGSSS Matter Changes + Key
Learning Objectives
- Explain how energy transfer during phase changes affects particle arrangement and motion.
- Distinguish melting, freezing, evaporation, condensation, and boiling using particle behavior and energy changes.
- Use evidence from temperature trends to describe when energy is being used for rearranging particles versus changing temperature.
Grade 10 Science | Heat Transfer Worksheet (PDF) aligned to BC standards
Learning Objectives
- Explain how heat energy transfers through conduction, convection, and radiation
- Predict how material properties and surface area affect the rate of heat transfer
- Analyze real-world situations involving thermal equilibrium and temperature change
El Niño Effects Science Worksheet Grade 6 | Florida NGSSS Earth Science
Learning Objectives
- Explain how El Niño and La Niña relate to changes in ocean temperatures in the tropical Pacific.
- Describe how altered sea surface temperatures can influence evaporation, cloud formation, and wind circulation.
- Use evidence from precipitation and wind trends to connect ocean changes to broader climate impacts.
Grade 6 Food Chains Worksheet with Answer Key | Florida NGSSS Science
Learning Objectives
- Explain how energy transfers from producers to consumers in a food chain.
- Identify producers, primary consumers, secondary consumers, and higher trophic levels.
- Interpret food chain arrows to determine who eats whom.
Phylogenetic Trees Worksheet | NGSS Grade 9 Science Assessment
Learning Objectives
- Construct phylogenetic trees from morphological characters and molecular sequence data using cladistic principles.
- Interpret branching diagrams by identifying shared derived characters, sister taxa, and implied evolutionary relationships.
- Compare tree-building approaches (parsimony and molecular distance) and explain how molecular clocks calibrate time.
Grade 7 Science | Integration and Homeostasis Worksheet (PDF)
Learning Objectives
- Explain how cells, tissues, and organ systems work together to maintain homeostasis in the human body.
- Describe how transport proteins and membrane pumps regulate nutrient levels, ion concentrations, and water balance.
- Connect hormone signaling and coordinated transport processes to maintaining stable internal conditions (such as blood glucose).
Density and Buoyancy Reading Comprehension Worksheet | Grade 8 Science
Learning Objectives
- Explain density and use density comparisons to predict whether an object sinks or floats in a fluid
- Describe buoyancy as a result of pressure differences in fluids and relate it to displaced fluid volume
- Apply density and buoyancy ideas to real-world situations such as ships, hot air balloons, and floating objects
Grade 10 Science Energy Forms Worksheet (Practice Set) BC Standards
Learning Objectives
- Identify and describe major forms of energy (kinetic, potential, thermal, chemical, radiant, and nuclear) and where they are found.
- Explain how energy transfers and transforms during common real-world processes such as heating, movement, and respiration.
- Use energy form reasoning to interpret questions about stored energy, energy in motion, and energy release.
Grade 7 Science Worksheet – Carrying Capacity & Environmental Limits (PDF)
Learning Objectives
- Define carrying capacity and explain why populations cannot grow indefinitely in an ecosystem.
- Identify limiting factors that regulate population size and relate them to ecosystem equilibrium.
- Use evidence and reasoning to predict how changes in limiting factors affect population growth.
Grade 9 Resources and Landforms Worksheet | California Science + Answer Key
Learning Objectives
- Explain how tectonic activity creates landforms that can store valuable resources over time
- Describe how erosion and sedimentation redistribute Earth materials to form basins and river deposits
- Connect weathering, soil formation, and mineral release to ecosystems and groundwater
Grade 9 Momentum Conservation Worksheet | California Science + Answer Key
Learning Objectives
- Explain momentum and how it depends on mass and velocity.
- Use conservation of total momentum to analyze collisions and explosions with internal forces.
- Differentiate elastic and inelastic collisions by comparing how kinetic energy behaves.
Phase Changes Worksheet | Grade 8 Science NGSSS Matter Changes + Key
Learning Objectives
- Identify trends, patterns, and relationships in data and graphs
- Distinguish correlation from causation and explain uncertainty
- Use outliers appropriately when forming evidence-based scientific explanations
Rock Cycle Reading Comprehension Worksheet | Grade 8 Science PDF
Learning Objectives
- Describe how igneous, sedimentary, and metamorphic rocks change through the rock cycle.
- Explain how weathering, erosion, and deposition rebuild sediment layers over time.
- Connect lithospheric recycling and plate tectonics to rock formation and transformation.
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.