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

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

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

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.

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!

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

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

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

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