I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

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.

Help your child get to know an elementary element with this worksheet about iron.

Help your child get to know his elementary elements with this handy worksheet on copper.

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

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

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

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

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

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

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

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

Did you know that air has substance too? Learn about air resistance, also known as drag. Air resistance affects the movement of all the things on our planet!

We all know the famous equation E = MC^2. But what does it mean? Learn a bit more about Einstein's famous energy equation with this physical science worksheet.