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.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun 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.

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

Find out the the cool science behind ice cubes with this fun worksheet.

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

Why do some objects make loud sounds when dropped, while others make quiet sounds?

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.

Children are introduced to the concept of the speed of light in this illustrated worksheet.

Don't let school year learning slip away this summer: use this chemistry worksheet to practice identifying elements.

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

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

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

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

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

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