Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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.

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

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

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

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

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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

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

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

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

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

Searching for help with you kid's geography skills? This printable worksheet will teach them the continent of South America.

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

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

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.

This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Discover different types of energy with this third- and fourth-grade science worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

Explore magnetism with this colorful science worksheet for third and fourth graders!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!