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

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.

Get to know the periodic table with this fun scavenger hunt-themed worksheet! 

Explore elements and compounds in the context of particle models and chemical formulas!

Have you ever thought about playing basketball in space? This middle-grade science worksheet discusses how forces and Newton’s Laws of Motion affect a game, both on Earth and on the moon! 

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!

Learn how manufacturers test car safety in crash tests with this informative physics worksheet!

Why do doorknobs and high-fives sometimes give you an electric shock? Read all about charging by conduction in this middle-grade science worksheet!

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

Explore chemical equations with this middle-grade science worksheet!

Learn the language of chemistry by reading and writing chemical equations in this middle-grade 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!

Get charged up about static electricity with this informative fourth- and fifth-grade worksheet!

Learn how energy changes forms with this fourth- and fifth-grade physical 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!

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Learn about lightning and charging by induction in this engaging middle-grade worksheet. 

Discover the difference between physical properties and chemical properties of matter in this informative science 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! 

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

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!