All matter is made up of what?

Question

What do you think?

Margie: stop posting unless your are going to help students. Your silly responses are disruptive, and unnecessary.
Thanks.

I searched Google under the key words "matter" to get these possible sources:

http://www.chem4kids.com/files/matter_intro.html
http://en.wikipedia.org/wiki/Matter

I hope this helps. Thanks for asking.