Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

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

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

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

Test your knowledge of the periodic table of the elements with this quiz page!

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

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

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

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

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

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

Learn the basic structure of an atom with this introductory page, complete with a fun experiment they can try at home!

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

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

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

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

Learn all about how to convert centimeters to inches in this practice worksheet.

How fast does sound travel? Help your child figure out the physics of sound waves with this informative worksheet.

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

Practice using the periodic table to calculate the number of neutrons in the atom of an element.

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

Atoms are some of the tiniest particles that make up our world. Give kids some perspective with this worksheet that shows kids just how small atoms are.

This physics of figure skating worksheet teaches kids about angular momentum and moment of inertia by using the example of a spinning figure skater.

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

After he fills in the blanks, your student can hold on to this worksheet on hydrogen for reference when preparing for tests and quizzes on physical science.

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

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.