Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

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

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

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.

Did you know that 763 Earths could fit inside Saturn? Learn more fun facts about Saturn on this fun science printable.

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.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

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

Practice naming the planets in our solar system with a fun, visual worksheet! Your child can see the planets in their orbits and try to label each one.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a 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!

How far away is the Red Planet from the sun? Find out with this great Solar System printable.

Children label the eight planets of our Solar System in this simple astronomy worksheet.

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

In this worksheet, children will learn about the intricate "waggle dance" honeybees use to communicate to each other.

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!

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

Does your child know where Earth is in the Solar System? He'll learn as he completes this fun, planet printable.

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

Look for natural resources around a farm in this engaging worksheet for second and third graders!

Explore the vast ocean with this habitat worksheet for second and third graders!