Science Worksheets for Kids PreK–5th Grade
Thousands of life science, earth science, physical science, and space worksheets — standards-aligned with instant feedback.
Science Topics by Domain
NGSS-aligned content for curious minds
Life Science
PreK – 5th Grade
Plants, animals, habitats, food chains, human body systems, ecosystems, life cycles.
Earth Science
K – 5th Grade
Weather, water cycle, rocks & minerals, erosion, natural resources, climate zones.
Physical Science
1st – 5th Grade
Forces, motion, energy, magnets, simple machines, states of matter, sound & light.
Space & Astronomy
K – 5th Grade
Solar system, planets, stars, moon phases, day & night, seasons, space exploration.
Scientific Method
2nd – 5th Grade
Hypothesis, experiments, observation, data collection, drawing conclusions, lab reports.
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