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If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Have you ever heard of the chapparal ecosystem? Learn all about this dry, Mediterranean ecosystem with this fun sheet!

You have over 600 muscles in your body! Kids can try this muscle anatomy word search featuring 14 important muscles.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!

Believe it or not, pine trees and ginko trees have different shaped leaves. See the shapes for yourself and match each leaf to its correct tree.

All the animals in this word search share one characteristic: none of them have bones! Can your child find the boneless critters hidden in the puzzle?

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

As your child matches up the body systems vocabulary with the correct definitions, she'll boost her life science knowledge and have fun doing it!

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!

What a wonderful world word search! See if you can find all 10 of the Earth-related terms in the word search.

The Earth is very much alive, even its rocks shift and change. Practice geology vocabulary with this challenging word search.

Learn all you need to know about our purple mountain's majesty with this fun ecosystems sheet!

There are many different types of animal homes. Use this word search to help teach kids about a few of them!

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

This dot to dot page features giant Barosaurus, a dinosaur with a very, very long neck.

Learn more about Gallimimus, one of the fastest dinosaurs, with this cool dino dot to dot.

Practice geology vocabulary with this challenging crossword puzzle.

Did you know there are temperate rainforests all along the west coast of the U.S.? Learn about this cooler rainforest ecosystem with this fun sheet!

Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!