Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Learn the names of major joints in the human body, the points at which bones intersect to make your arms and legs bend.

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!

Guinea pigs are social animals that make great pets. Test your child's knowledge of these furry critters with this fun quiz.

Let your coloring skills blossom with this flower anatomy worksheet. Make your own flower, color and put your vocabulary skills to the test!

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

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

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

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!