There are some parts of our brains that are still too complicated for scientists to understand! Find out the basics of the brain's functions with this fun page.

This colorful diagram is a handy reference guide for kids learning basic body systems.

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

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.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

Looking for a worksheet that will give your kid help with his life-science skills? This printable will challenge his knowledge of birds.

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

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

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

Can you match the scientist with the unit of electricity or power that is named after him?

Young botanists test their plant know-how with this quiz.

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

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

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

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Get charged up about static electricity with this informative fourth- and fifth-grade worksheet!

Learn how seeds move with this second- and third-grade matching activity!

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

Discover how seeds move to new places with this cut-and-paste worksheet for second and third graders!

Become an energy investigator in this electrifying science worksheet!

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!