Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

This painless--even fun!--worksheet gets middle-grade students practicing with the information in the periodic table of elements.

Don't let school year learning slip away this summer: use this chemistry worksheet to practice identifying elements.

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

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

Find out all about the different parts of the eyes and how they work together to make vision possible.

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

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

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.

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

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

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.

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

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

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.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

This Thanksgiving, serve up some Thanksgiving science learning and find out all about the chemicals that make up a typical Thanksgiving meal.

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

Looking for a worksheet to help with your kids science vocabulary? This printable is about science around the house.

Let your 1st grader become a mad scientist in this fun science board game, and encourage her to become a lover of the interesting subject.

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

Find out the the cool science behind ice cubes with this fun worksheet.

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

How many machines can you find around the house? You may find them where you least expect it!