Cranium, noodle, melon, noggin...the human skull has been called a lot of things over the years. Here are the proper names for each part.

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

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

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

For all you mad scientists, here is a helpful lab safety 101! You'll get to read a few basic rules, and then complete a word search.

Learn all about essential laboratory equipment with this hands-on worksheet for fourth and fifth graders!

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

Explore the applications of electrical energy with this helpful second-grade worksheet!

Dive into the electrifying concept of electrical energy in this colorful worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

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

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

Discover different types of energy with this third- and fourth-grade science worksheet!

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

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Children get an introduction to plate tectonics in this geology worksheet.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Shake up your science studies with this worksheet about earthquakes.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Have fun learning about food chains in this charming science worksheet!