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

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

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

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

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.

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

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

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Why do some objects make loud sounds when dropped, while others make quiet sounds?

Change up your regular classwork with this hands-on science worksheet!

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

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

What is energy? Energy is the ability to do work! Use this colorful worksheet to teach your little scientist the basics of energy.

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.

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

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

Children put their science vocabulary to the test with this engaging crossword puzzle!

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

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

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.

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!

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

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

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!

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