Classweekly

Free Science Worksheets for All Grades

Preschool through 5th Grade · Print-ready PDFs

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Water Cycle Cut and Paste - 2nd Grade Weather and Climate worksheet preview

Water Cycle Cut and Paste

Grade2nd Grade
TopicWeather and Climate
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What Weather Tools Measure - 2nd Grade Weather and Climate worksheet preview

What Weather Tools Measure

Grade2nd Grade
TopicWeather and Climate
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Kinds of Precipitation, Read and Match - 2nd Grade Weather and Climate worksheet preview

Kinds of Precipitation, Read and Match

Grade2nd Grade
TopicWeather and Climate
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Read a Weather Map Key - 2nd Grade Weather and Climate worksheet preview

Read a Weather Map Key

Grade2nd Grade
TopicWeather and Climate
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Weather and Clouds True or False - 2nd Grade Weather and Climate worksheet preview

Weather and Clouds True or False

Grade2nd Grade
TopicWeather and Climate
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My Five Senses, Read and Answer - 2nd Grade Our Bodies worksheet preview

My Five Senses, Read and Answer

Grade2nd Grade
TopicOur Bodies
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Sense Organs, Write the Names - 2nd Grade Our Bodies worksheet preview

Sense Organs, Write the Names

Grade2nd Grade
TopicOur Bodies
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Bones and Muscles Work Together - 2nd Grade Our Bodies worksheet preview

Bones and Muscles Work Together

Grade2nd Grade
TopicOur Bodies
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Heart and Lungs, Read and Answer - 2nd Grade Our Bodies worksheet preview

Heart and Lungs, Read and Answer

Grade2nd Grade
TopicOur Bodies
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Pond Food Chain, Read and Draw Arrows - 3rd Grade Ecosystems worksheet preview

Pond Food Chain, Read and Draw Arrows

Grade3rd Grade
TopicEcosystems
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Ocean Food Chain Cut and Paste for 3rd Grade - 3rd Grade Ecosystems worksheet preview

Ocean Food Chain Cut and Paste for 3rd Grade

Grade3rd Grade
TopicEcosystems
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Arctic Food Chain - 3rd Grade Ecosystems worksheet preview

Arctic Food Chain

Grade3rd Grade
TopicEcosystems
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Forest Food Web Questions - 3rd Grade Ecosystems worksheet preview

Forest Food Web Questions

Grade3rd Grade
TopicEcosystems
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Ocean Food Web Questions - 3rd Grade Ecosystems worksheet preview

Ocean Food Web Questions

Grade3rd Grade
TopicEcosystems
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Grassland Food Web, Draw the Arrows - 3rd Grade Ecosystems worksheet preview

Grassland Food Web, Draw the Arrows

Grade3rd Grade
TopicEcosystems
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Producers, Consumers or Decomposers? Sort - 3rd Grade Ecosystems worksheet preview

Producers, Consumers or Decomposers? Sort

Grade3rd Grade
TopicEcosystems
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Fill In the Energy Pyramid - 3rd Grade Ecosystems worksheet preview

Fill In the Energy Pyramid

Grade3rd Grade
TopicEcosystems
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What If One Animal Disappears? - 3rd Grade Ecosystems worksheet preview

What If One Animal Disappears?

Grade3rd Grade
TopicEcosystems
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Desert Ecosystem, Read and Answer - 3rd Grade Ecosystems worksheet preview

Desert Ecosystem, Read and Answer

Grade3rd Grade
TopicEcosystems
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Rainforest Ecosystem, Read and Answer - 3rd Grade Ecosystems worksheet preview

Rainforest Ecosystem, Read and Answer

Grade3rd Grade
TopicEcosystems
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Tundra Ecosystem, Read and Answer - 3rd Grade Ecosystems worksheet preview

Tundra Ecosystem, Read and Answer

Grade3rd Grade
TopicEcosystems
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Match Animals to Their Ecosystems - 3rd Grade Ecosystems worksheet preview

Match Animals to Their Ecosystems

Grade3rd Grade
TopicEcosystems
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Food Chains and Webs True or False - 3rd Grade Ecosystems worksheet preview

Food Chains and Webs True or False

Grade3rd Grade
TopicEcosystems
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Vertebrates and Invertebrates, Read and Classify - 3rd Grade Living Things worksheet preview

Vertebrates and Invertebrates, Read and Classify

Grade3rd Grade
TopicLiving Things
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Five Vertebrate Groups, Read and Match - 3rd Grade Living Things worksheet preview

Five Vertebrate Groups, Read and Match

Grade3rd Grade
TopicLiving Things
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Animal Traits Table, Which Group? - 3rd Grade Living Things worksheet preview

Animal Traits Table, Which Group?

Grade3rd Grade
TopicLiving Things
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Invertebrate Groups - 3rd Grade Living Things worksheet preview

Invertebrate Groups

Grade3rd Grade
TopicLiving Things
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Insect or Spider? Compare and Classify - 3rd Grade Living Things worksheet preview

Insect or Spider? Compare and Classify

Grade3rd Grade
TopicLiving Things
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Frogs and Toads, Compare - 3rd Grade Living Things worksheet preview

Frogs and Toads, Compare

Grade3rd Grade
TopicLiving Things
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Complete Metamorphosis, Butterfly - 3rd Grade Living Things worksheet preview

Complete Metamorphosis, Butterfly

Grade3rd Grade
TopicLiving Things
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Incomplete Metamorphosis, Grasshopper - 3rd Grade Living Things worksheet preview

Incomplete Metamorphosis, Grasshopper

Grade3rd Grade
TopicLiving Things
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Frog Metamorphosis, Read and Write the Stages - 3rd Grade Living Things worksheet preview

Frog Metamorphosis, Read and Write the Stages

Grade3rd Grade
TopicLiving Things
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Parts of a Flower, Write the Words - 3rd Grade Living Things worksheet preview

Parts of a Flower, Write the Words

Grade3rd Grade
TopicLiving Things
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Parts of a Seed, Read and Answer - 3rd Grade Living Things worksheet preview

Parts of a Seed, Read and Answer

Grade3rd Grade
TopicLiving Things
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Flowering Plant Life Cycle, Write the Stages - 3rd Grade Living Things worksheet preview

Flowering Plant Life Cycle, Write the Stages

Grade3rd Grade
TopicLiving Things
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Three Types of Rock, Read and Answer - 3rd Grade Earth Science worksheet preview

Three Types of Rock, Read and Answer

Grade3rd Grade
TopicEarth Science
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Rock Cycle Diagram, Write the Words - 3rd Grade Earth Science worksheet preview

Rock Cycle Diagram, Write the Words

Grade3rd Grade
TopicEarth Science
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Igneous, Sedimentary or Metamorphic? Read the Clues - 3rd Grade Earth Science worksheet preview

Igneous, Sedimentary or Metamorphic? Read the Clues

Grade3rd Grade
TopicEarth Science
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How Sedimentary Rock Forms, Order the Steps - 3rd Grade Earth Science worksheet preview

How Sedimentary Rock Forms, Order the Steps

Grade3rd Grade
TopicEarth Science
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Metamorphic Rock, Before and After - 3rd Grade Earth Science worksheet preview

Metamorphic Rock, Before and After

Grade3rd Grade
TopicEarth Science
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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.