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

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Dr. McSquare is here to help kids learn the scientific method. His reports are all in disarray--can your child sort label each part with the correct step?

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

After your child fills in this review sheet on chemical and physical properties, it's a good idea to hold onto it for future test review!

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!

Introduce the basic concepts of sinking and floating with this fun worksheet. Your little one will decide which objects sink, and which ones float!

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

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.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

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.