Our understanding of the atom has changed over the past few hundred years! Read about a few different theories on the structure of an atom.

Help students visualize the relationships between kinetic energy, mass, and speed in this physical science worksheet!

Geared toward middle school learners, this worksheet helps students explore the relationship between a wave’s energy, amplitude, and frequency.

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.

In this engaging chemistry worksheet for middle grades, students learn about how concrete is made and how it is used in our society.

With two simple yet fun experiments, this worksheet covers the interesting topic of cohesion and adhesion of water.

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.

Learn all about charging by friction with this fascinating science worksheet for middle grades!

In this physical science worksheet, students will review how to calculate velocity given time and distance and then apply this process to several diverse word problems.

Calling all mad scientists... Electrify your enthusiasm for science! This awesome worksheet will show you step-by-step how to make an electromagnet.

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

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

Play a fun game that combines the periodic table with a classic concentration game.

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

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

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!