Chemistry

  1. Home
  2. Education
  3. Chemistry

What's New at About Chemistry

July 2004 Chemistry Updates

By Anne Marie Helmenstine, Ph.D., About.com

This page lists the Chemistry site additions and modifications for the month of July 2004. Click here to see the latest additions to the About Chemistry website.

Monday, July 26, 2004

Identify an Unknown - Chemistry Lesson Plan
Use this lesson plan to help students use the scientific method to design experiments to identify the components of an unknown mixture.

Tuesday, July 20, 2004

How Do Detergents Clean?
Learn about the chemistry behind the cleaning power of detergents.

Wednesday, July 7, 2004

How Do Trick Birthday Candles Work?
You blow them out, but these candles re-light themselves. Magic? No, it's simple chemistry!

Monday, July 5, 2004

How to Grow Sugar Crystals - Rock Candy
Sugar crystals are also called rock candy since the crystallized sucrose resembles rock crystals and because you can eat your finished product. You can grow sparkling clear crystals with table sugar and water or you can add food coloring to get colored crystals. It's simple, safe, and fun.

Thursday, July 1, 2004

Atom Basics Quiz
Do you understand the basic concepts of atomic theory? Do you have your protons, electrons, and neutrons all sorted out? Here's a ten question quiz you can take to test your knowledge.

Archive of Previous Site Updates

Collection of Chemistry Articles

Explore Chemistry

About.com Special Features

Chemistry

  1. Home
  2. Education
  3. Chemistry
  4. Everyday Chemistry
  5. Chemistry in the News
  6. What's New at About Chemistry - July 2004

©2009 About.com, a part of The New York Times Company.

All rights reserved.