Classweekly

Free Science Worksheets for All Grades

Preschool through 5th Grade · Print-ready PDFs

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Read an Arctic Food Web - 4th Grade Ecosystems worksheet preview
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Earth's Layers - 4th Grade Earth's Surface worksheet preview
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Precipitation and Runoff - 4th Grade Water Cycle worksheet preview
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Mass and Volume - 4th Grade Matter worksheet preview

Mass and Volume

Grade4th Grade
TopicMatter
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Physical Changes in Matter - 4th Grade Matter worksheet preview
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Sort Objects by Property - 4th Grade Matter worksheet preview
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Magnetic or Not Magnetic - 4th Grade Matter worksheet preview
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Identify Mystery Materials - 5th Grade Matter worksheet preview
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Separate a Mixture - 5th Grade Matter worksheet preview

Separate a Mixture

Grade5th Grade
TopicMatter
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Gases Have Weight - 5th Grade Matter worksheet preview

Gases Have Weight

Grade5th Grade
TopicMatter
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Reactions Make New Substances - 5th Grade Matter worksheet preview
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Conductivity and Solubility - 5th Grade Matter worksheet preview
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Biodiversity in a Habitat - 5th Grade Ecosystems worksheet preview
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Why Biodiversity Matters - 5th Grade Ecosystems 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.