Use these colored links to go to the glossary and find the definitions of some words you may not know.
What is matter?
What are the three main phases or states of matter?
How does matter change at different temperatures?
Atoms make elements. Elements have only one kind of atoms. How are these elements organized?
What happens when elements combine with each other?
Do you need some "expert" help?
Good job! Now that you have completed your background research, click on the link below and begin solving:
Research