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

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Learn to differentiate between physical and chemical changes in this science worksheet!

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

Learn about the similarities and differences between objects in this colorful science worksheet!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Budding scientists can learn about an important physical science concept with this worksheet all about density!

Learn the language of chemistry by reading and writing chemical equations in this middle-grade worksheet! 

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

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

Learn some basic chemistry with this worksheet about the universal solvent: water. Find out why water is called the universal solvent.

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

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

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

Practice describing, or classifying, different items by their properties in this inviting worksheet!

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

Describe how things feel when you touch them and push on them!

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

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

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

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.

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