Kids learn about the Earth's solid and atmospheric layers, then label the diagram with the correct terms in this fifth grade Earth science worksheet.

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

For those of you studying human anatomy, here is a great diagram of the major organs in our body!

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!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

Studying the human body? Get to know your body inside and out with this muscle diagram.

Studying human anatomy? Here is a great sheet that shows a diagram of all the muscle system. Your child will learn the scientific terms of the major muscles.

Help third and fourth graders become rock stars with this informative geology worksheet!

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

If your child is studying life science, introduce her to all the strange animal pairs that work together in the wild.

Take a peek into a temperate forest ecosystem with this food web worksheet for fourth and fifth graders!

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