Find out all about the different parts of the eyes and how they work together to make vision possible.

How fast does sound travel? Help your child figure out the physics of sound waves with this informative worksheet.

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

Ever wonder what causes lightning to strike? Explore the physics of lightning with this striking physical science worksheet!

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

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