Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

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

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.

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!

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

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

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

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

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

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

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! 

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

Warm up your scientific thinking with this colorful worksheet!

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!

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

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

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

Use your powers of prediction to project the future movement of playground objects!

Use your detective skills to predict the motion of a seesaw in this third-grade worksheet!

Who will win the marble race in this two-page physical science worksheet?

Children hone their powers of observation using this worksheet template.

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

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