Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

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

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

Introduce the basic concepts of sinking and floating with this fun worksheet. Your little one will decide which objects sink, and which ones float!

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

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

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

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.

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

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 wind energy? Teach your students how we can use the wind to create electricity!

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of the metric system.

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

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

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

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

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