Classweekly

Free Science Worksheets for All Grades

Preschool through 5th Grade · Print-ready PDFs

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Senses and the brain - 4th Grade Living Things worksheet preview
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Comparing life cycles - 4th Grade Living Things worksheet preview
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Saving a species - 4th Grade Living Things worksheet preview
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How plants make food - 4th Grade Living Things worksheet preview
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Animal structures - 4th Grade Living Things worksheet preview
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Inside the body - 4th Grade Living Things worksheet preview

Inside the body

Grade4th Grade
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Animal senses - 4th Grade Living Things worksheet preview

Animal senses

Grade4th Grade
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Food chains and energy - 4th Grade Ecosystems worksheet preview
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Food web - 4th Grade Ecosystems worksheet preview

Food web

Grade4th Grade
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Ecosystem vocabulary - 4th Grade Ecosystems worksheet preview
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Forms of energy - 4th Grade Energy worksheet preview

Forms of energy

Grade4th Grade
TopicEnergy
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Energy changes form - 4th Grade Energy worksheet preview

Energy changes form

Grade4th Grade
TopicEnergy
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Speed and energy - 4th Grade Energy worksheet preview

Speed and energy

Grade4th Grade
TopicEnergy
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Sound waves - 4th Grade Energy worksheet preview

Sound waves

Grade4th Grade
TopicEnergy
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Light - 4th Grade Energy worksheet preview

Light

Grade4th Grade
TopicEnergy
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Conductors and insulators - 4th Grade Energy worksheet preview
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Electric circuits - 4th Grade Energy worksheet preview

Electric circuits

Grade4th Grade
TopicEnergy
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States of matter - 4th Grade Matter worksheet preview

States of matter

Grade4th Grade
TopicMatter
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Simple machines - 4th Grade Forces and Motion worksheet preview
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Earth's four spheres - 5th Grade Earth Systems worksheet preview
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The sun is a star - 5th Grade Earth and Space worksheet preview
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Shadow lengths - 5th Grade Earth and Space worksheet preview
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Phases of the moon - 5th Grade Earth and Space worksheet preview
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Gravity - 5th Grade Earth and Space worksheet preview

Gravity

Grade5th Grade
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Where Earth's water is - 5th Grade Earth Systems worksheet preview
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Protecting Earth - 5th Grade Earth Systems worksheet preview
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Vertebrate groups - 5th Grade Living Things worksheet preview
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Microorganisms - 5th Grade Living Things worksheet preview

Microorganisms

Grade5th Grade
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Body systems - 5th Grade Living Things worksheet preview

Body systems

Grade5th Grade
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The respiratory system - 5th Grade Living Things worksheet preview
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The path of blood - 5th Grade Living Things worksheet preview
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The nervous system - 5th Grade Living Things worksheet preview
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Muscles and bones - 5th Grade Living Things worksheet preview
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Invasive species - 5th Grade Ecosystems worksheet preview

Invasive species

Grade5th Grade
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Biomes - 5th Grade Ecosystems worksheet preview

Biomes

Grade5th Grade
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Life science review - 5th Grade Living Things worksheet preview
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How plants grow - 5th Grade Living Things worksheet preview

How plants grow

Grade5th Grade
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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.