Classweekly

Free Science Worksheets for All Grades

Preschool through 5th Grade · Print-ready PDFs

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Hot and cold - Preschool Weather and Seasons worksheet preview
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Build a tower - Preschool Engineering and Design worksheet preview
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Weather tools - 3rd Grade Weather and Climate worksheet preview
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Natural hazards - 3rd Grade Earth Science worksheet preview

Natural hazards

Grade3rd Grade
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Plant life cycle - 3rd Grade Living Things worksheet preview
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What fossils tell us - 3rd Grade Living Things worksheet preview
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Animals in groups - 3rd Grade Ecosystems worksheet preview

Animals in groups

Grade3rd Grade
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Food chains - 3rd Grade Ecosystems worksheet preview

Food chains

Grade3rd Grade
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Push or pull? - 3rd Grade Forces and Motion worksheet preview
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Magnets - 3rd Grade Electricity and Magnetism worksheet preview
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Patterns of motion - 3rd Grade Forces and Motion worksheet preview
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The rock cycle - 4th Grade Earth Science worksheet preview

The rock cycle

Grade4th Grade
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The water cycle - 4th Grade Earth Science worksheet preview

The water cycle

Grade4th Grade
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Types of rocks - 4th Grade Earth Science worksheet preview

Types of rocks

Grade4th Grade
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Landforms - 4th Grade Earth Science worksheet preview

Landforms

Grade4th Grade
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Rock layers and fossils - 4th Grade Earth Science worksheet preview
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Renewable or nonrenewable? - 4th Grade Energy worksheet preview
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Energy sources - 4th Grade Energy worksheet preview

Energy sources

Grade4th Grade
TopicEnergy
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Plant structures - 4th Grade Living Things worksheet preview
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Adaptations - 4th Grade Ecosystems worksheet preview

Adaptations

Grade4th Grade
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The skeletal system - 4th Grade Living Things worksheet preview
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The digestive system - 4th Grade Living Things worksheet preview
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The heart and blood - 4th Grade Living Things worksheet preview
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What is ClassWeekly?

ClassWeekly offers free worksheets and printable learning resources for kids in preschool to grade 5. All worksheets are aligned to Common Core, NGSS, and C3 Framework standards and designed by educators. Become a member to access the full library and download unlimited PDFs.