Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

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

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

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

Students explore kinetic energy and temperature change through the lens of a fictional experiment with this two-page physical science worksheet!

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

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

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!

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

Lab mice have stolen information from these elements! Students must set everything back in order using the provided periodic table of elements.

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

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

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?

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.

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

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

To understand electricity, you have to get down to the basics. Explore the literally microscopic world of electrons to get a grasp on electricity.

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

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

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

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

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

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

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

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

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

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

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

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