In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

Learn all about the science of the movies and the basic concepts behind how they work.

Learn about the similarities and differences between objects in this colorful science worksheet!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Budding scientists can learn about an important physical science concept with this worksheet all about density!

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

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

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

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

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

Does your child know where Earth is in the Solar System? He'll learn as he completes this fun, planet printable.

Learn some basic chemistry with this worksheet about the universal solvent: water. Find out why water is called the universal solvent.

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

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.

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.

Light travels so quickly that sometimes we can forget it even travels at all. Learn all about the direction light travels and perform your own experiment!

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

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.