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

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

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.

This list of elements is missing mega-information: a combination of category, name, number, or symbol. Can you fix them up?

This painless--even fun!--worksheet gets middle-grade students practicing with the information in the periodic table of elements.

Did you know that air has substance too? Learn about air resistance, also known as drag. Air resistance affects the movement of all the things on our planet!

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

Learn all about digital and analog signals with this fascinating science worksheet for middle grades!

Can middle-grade chemists recover the missing information about these elements from the periodic table?

Boost your chemistry skills by filling in the missing information about the elements, using the included periodic table.

Test your students' knowledge and memory of periodic table elements with this crossword puzzle.

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

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

This worksheet teaches kids about the physics of hockey, applying principles of classical mechanics to an effective slapshot.

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

Explore how waves interact with materials in this engaging physical science worksheet for middle grades!

Did you see the announcement in 2016 about new elements added to the periodic table? Put these new periodic elements flashcards in your study toolkit.

These elements are all out of sorts! Can you check out the periodic table to find the missing information from each element?

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

This colorful worksheet builds an early chemistry foundation, giving middle school students practice with the periodic table of elements.

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

Help your child learn about one of the most elementary elements, gold.

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

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

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

Give middle-grade students a painless beginner's introduction to the periodic table of elements with this fun 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.

Explore the strength (or magnitude) of magnetic forces with this two-page physics worksheet for middle grades!

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.

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