Science Worksheets

Free Science Worksheets

Science worksheets covering life science, earth science, physical science, and the scientific method for grades K through 12. Each worksheet includes a student version and a full answer key.

Grade K-1

Science: Animals and Their Habitats

Matching animals to the places they live

15 problems

Grade K-1

Science: Day Night and the Sky

Observing the Sun, Moon, stars, and sky patterns

15 problems

Grade K-1

Science: Living vs Non-Living Things

Sorting and identifying living and non-living things

15 problems

Grade K-1

Science: Parts of a Plant

Learning the basic parts of a plant

15 problems

Grade K-1

Science: The Five Senses

Using sight, hearing, smell, taste, and touch

15 problems

Grade K-1

Weather & Seasons

Identify weather types, seasonal changes, and the tools we use to measure weather.

8 problems

Grade 2-3

Plants Growth and Needs

How plants live, grow, and stay healthy

15 problems

Grade 2-3

Science: Animal Adaptations

How body parts and behaviors help animals survive

15 problems

Grade 2-3

Science: Properties of Matter

Observing and describing solids, liquids, and gases

15 problems

Grade 2-3

Science: Simple Machines

Learning how simple machines make work easier

15 problems

Grade 2-3

Science: The Water Cycle

How water moves through Earth

15 problems

Grade 2-3

States of Matter

Compare solids, liquids, and gases and describe what happens when matter changes state.

8 problems

Grade 4-5

Food Chains & Ecosystems

Trace energy flow through food chains and describe how organisms depend on each other.

8 problems

Grade 4-5

Science: Light and Sound

Exploring how light and sound travel and behave

15 problems

Grade 4-5

Science: Plant Life Cycles

How plants grow, reproduce, and make new seeds

15 problems

Grade 4-5

Science: Rocks Minerals and the Rock Cycle

Identifying minerals, rock types, and how rocks change over time

15 problems

Grade 4-5

Science: The Solar System

Planets, the Sun, and objects in space

15 problems

Grade 4-5

Science: Weather Patterns and Climate

Observing daily weather and long-term climate

15 problems

Grade 6-8

Forces & Motion

Apply Newton's Laws to real-world situations and solve problems involving force, mass, and acceleration.

8 problems

Grade 6-8

Science: Atoms Elements and the Periodic Table

Exploring atomic structure, elements, and how the periodic table is organized

15 problems

Grade 6-8

Science: Chemical Reactions and Balancing Equations

Identify reaction evidence and balance simple chemical equations

15 problems

Grade 6-8

Science: Genetics and Heredity

Traits, genes, inheritance, and variation

15 problems

Grade 6-8

Science: Photosynthesis and Cellular Respiration

How cells make and use energy

15 problems

Grade 6-8

Science: Plate Tectonics and Earthquakes

How moving plates shape Earth's surface

15 problems

Grade 9-12

Cell Biology

Compare prokaryotic and eukaryotic cells, identify organelles, and explain cell processes.

8 problems

Grade 9-12

Earths Atmosphere and Climate Change

Atmospheric layers, greenhouse gases, and human impacts on climate

15 problems

Grade 9-12

Science: Balancing Chemical Equations

Using coefficients to conserve atoms in reactions

15 problems

Grade 9-12

Science: Conservation of Energy

How energy changes form while the total amount stays constant

15 problems

Grade 9-12

Science: DNA Structure and Protein Synthesis

Exploring how genetic information is stored and used to build proteins

15 problems

Grade 9-12

Science: Ecology and Biodiversity

Exploring ecosystems, species interactions, and the value of biodiversity

15 problems

Grade 9-12

Science: Energy Thermodynamics and Heat Transfer

Thermal energy, the laws of thermodynamics, and mechanisms of heat transfer

15 problems

Grade 9-12

Science: Free Body Diagrams

Identifying forces acting on objects

15 problems

Grade 9-12

Science: Lenses and Mirrors

Exploring reflection, refraction, and image formation

15 problems

Grade 9-12

Science: Momentum and Collisions

Using mass, velocity, and conservation of momentum

15 problems

Grade 9-12

Science: Newtons Laws of Motion

Understanding inertia, force, mass, and action-reaction pairs

15 problems

Grade 9-12

Science: Ohm's Law and Electric Circuits

Using voltage, current, and resistance in simple circuits

15 problems

Grade 9-12

Science: Periodic Table Trends

Exploring patterns in atomic size, ionization energy, and electronegativity

15 problems

Grade 9-12

Science: pH Scale and Acids and Bases

Using the pH scale to classify acids, bases, and neutral substances

15 problems

Grade 9-12

Science: Plate Tectonics

Earth's moving plates and their effects

15 problems

Grade 9-12

Science: Projectile Motion

Analyzing motion in two dimensions under gravity

15 problems

Grade 9-12

Science: Series and Parallel Circuits

Comparing current, voltage, and resistance in circuit types

15 problems

Grade 9-12

Science: Stoichiometry Calculations

Using balanced equations to calculate amounts of reactants and products

15 problems

Grade 9-12

Science: Waves and Sound

Exploring wave behavior, sound properties, and real-world applications

15 problems

Showing all 43 Science worksheets