Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Young astronomers unscramble words to reveal the heavens in this fun space science worksheet.

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

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

This page is all about building your kid's natural resources vocabulary words, along with research skills.

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

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.

This short nonfiction text will provide students with an opportunity to become more comfortable with identifying and defining academic vocabulary words—and they'll have fun learning all about the life cycle of a chicken in the process!

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!

This moon phases worksheet offers a clear explanation of the lunar cycles. To teach your student the phases of the moon, download now!

Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!

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

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

Count the number of sea creatures and make a bar graph with this shark worksheet. Make an underwater word ladder with your 2nd grader, too.

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Practice describing different objects and substances in this colorful worksheet!

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

Learn about the similarities and differences between objects in this colorful science worksheet!

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

This worksheet featuring food and natural resources touches on the subject of food chains.

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.

Get this earth science worksheet that will challenge your child's knowledge of volcanoes and teach him some new vocabulary.

Learn about a common hawk native to North America, the Red-Tailed Hawk! Your child will love coloring this page as he reads some fun facts about this species.

Brush up on some physics vocabulary with this energy word search!

Children put their science vocabulary to the test with this engaging crossword puzzle!

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.

How did the butterfly get so beautiful? Discover the life cycle of a bug with this fill-in-the-blanks story page, all about the life of a butterfly.

This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.