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

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.

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

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!

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

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

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

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.

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

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.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Warm up your scientific thinking with this colorful worksheet!

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

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

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

Review energy terminology with this fun fourth-grade crossword puzzle!

Explore magnetism with this colorful science worksheet for third and fourth graders!

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

Discover the differences between gravity and magnetism in this forceful worksheet!

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Dive into the principles of energy transfer with this energetic physical science worksheet!

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

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

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

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