Budding scientists can learn about an important physical science concept with this worksheet all about density!

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

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

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

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

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

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

If a ship went down, would these items sink or float? Your little one will decide, with this fun worksheet to help him hone sorting and categorizing skills.

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

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

Help your child's curiosity blast off by introducing them to some basic chemistry with this simple rocket demonstration.

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

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

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.