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

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

Teach your child how we measure temperature with these printable thermometers!

Help your child learn about one of the most elementary elements, gold.

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

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

Have your little chemist think about the properties, or characteristics, of metals. What makes them different than non-metals?

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

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.

Budding inventors can get a fun review of the simple machines with this word search.

Help your student become aware of everyday energy use with this fill-in-the-blank 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.

Introduce the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

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

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

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

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

If your scientist is mad for magnets, let him explore a few fun facts about magnetism with this physics page!