In this introductory tree-diagramming worksheet, young naturalists will unscramble each label to reveal five parts of the tree.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

Unscramble key vocabulary words about energy and collisions with this engaging science worksheet!

Help your child practice her spelling and vocabulary with this fun worksheet! Discuss with your child what it means to be cold-blooded.

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

Children get to know a few geology terms in this landform word search puzzle.

Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

Break down a word to create new ones with this fun worksheet for second through fifth graders!

Confused about continents? Get better acquainted with all the continents on earth with this word scramble.

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

This fun worksheet is jam-packed with fun facts, a word search and trivia questions, all about the baboon!

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Pheww! What is that stinky smell? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about skunks!

Did you know jaguars are great swimmers? Kids will learn all about rainforest animals with this fun activity page, including a word search and coloring!

Here is a fun animal info sheet that doubles as a spelling exercise! Your child will learn all about the Golden Eagle, and complete a word scramble.

Learn a new species of bird with a fun info sheet! Your child will read a few facts about the American Kestrel, and complete a word scramble.

Which animals can live happily alongside humans? With this word search, match up game, fun facts, your child will learn more about urban animal habitats.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

Animal lovers, here is a fun page all about the falcon! Your child will read a few fun facts about this bird, and complete a word scramble.

Have you ever heard of a Caracara? This fun page is full of facts about this unique bird, including a word scramble and a color by number activity.

Did you know a baby kangaroo is called a joey? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about the kangaroo!

Who feels at home scaling a nice, big tree? This word search is a fun way for your little one to familiarize themselves with different tree-climbing animals.

Did you know there are tiny owls? Learn all about the Elf Owl with this fun page, including a word scramble with words from the fun facts box.

Did you know an elephant can eat 300 pounds of food in one day? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about elephants!

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

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.

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