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

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.

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

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

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

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

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

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.