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

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

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

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

Change up your regular classwork with this hands-on science worksheet!

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

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

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

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

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!

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.

Track down the missing matter in this fifth-grade science worksheet!

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

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

Find out the the cool science behind ice cubes with this fun worksheet.

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

Have your little chemist think about the properties, or characteristics, of metals. What makes them different than non-metals?

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

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

Help your child get to know the most elementary of the elements with these handy worksheets.

Help your child get to know an elementary element with this worksheet about iron.

Help your child get to know his elementary elements with this handy worksheet on copper.

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

Help your child get to know the most elementary of the elements with this handy worksheet on silver.

The periodic table of the elements is an important classification system of the most basic particles that make up our world!