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.

Help your child get to know the most elementary of the elements with these handy worksheets.

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

Important information has gone missing from the periodic table. Can you fix up these elements so that they read the right way?

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

There's been a periodic table of the elements robbery! Channel your chemistry detective skills with this fun worksheet.

Help your child get to know the most elementary of the elements with this handy worksheet on silver.

This painless--even fun!--worksheet gets middle-grade students practicing with the information in the periodic table of elements.

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

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

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.

Some devious mice have stolen important information from the periodic table. Can middle-grade chemists put the elements back together again?

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