Brush up on some physics vocabulary with this energy word search!

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

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science 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.

Budding inventors can get a fun review of the simple machines with this word search.

Aspiring astronomers, get ready for a stellar coloring page all about the moon! Your child can read some fun facts as he colors.

How many machines can you find around the house? You may find them where you least expect it!

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

What is energy? Energy is the ability to do work! Use this colorful worksheet to teach your little scientist the basics of energy.

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

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

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

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

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

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

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Teach your child the difference between potential and kinetic energy with this introductory 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!

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

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

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

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

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Apply concepts of energy and motion to marbles in this fourth-grade worksheet!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

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