Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Did you know chinchillas were almost extinct? This fun worksheet is jam-packed with fun facts about the fuzzy chinchilla!

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

Looking for a fourth grade worksheet to help your kid with science? This printable will help with your child's botany vocabulary.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Review energy terminology with this fun fourth-grade crossword puzzle!

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

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

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

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

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade worksheet!

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!