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.

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

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.

Learn about the texture and hardness of different objects in this second-grade worksheet!