What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

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

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

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

Get a brief history of the atom with this introductory page for young physicists!

Ever wonder what causes lightning to strike? Explore the physics of lightning with this striking physical science worksheet!

Have your little chemist think about the properties, or characteristics, of metals. What makes them different than non-metals?

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

We all know the famous equation E = MC^2. But what does it mean? Learn a bit more about Einstein's famous energy equation with this physical 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.

Looking for a worksheet to help with your kids science vocabulary? This printable is about science around the house.

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

If your scientist is mad for magnets, let him explore a few fun facts about magnetism with this physics page!

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

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

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

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

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

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

Children are introduced to the concept of the speed of light in this illustrated 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.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

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