What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Learn all about the science of the movies and the basic concepts behind how they work.

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

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

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

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

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

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

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

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

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

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.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

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

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Budding scientists can learn about an important physical science concept with this worksheet all about density!

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

In this worksheet, kids learn about basic physics concepts like mass, momentum, and velocity by applying them to a popular winter sport: slalom skiing!

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

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

Atoms are some of the tiniest particles that make up our world. Give kids some perspective with this worksheet that shows kids just how small atoms are.

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!