Give middle-grade students a painless beginner's introduction to the periodic table of elements with this fun worksheet.

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

Explore the strength (or magnitude) of magnetic forces with this two-page physics worksheet for middle grades!

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.

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

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!

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

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!

Kids can use this physics of snowboarding worksheet to learn about velocity and torque while trying out a fun physics experiment of their own!

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.

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

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

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

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.