Introducing Chemistry to Kids

The American Chemical Society provides web resources designed specifically for elementary and high school students. It is called "Science for Kids".
Screen capture of ACS Science for Kids site
The site contains activities, articles, puzzles and games that are appropriate for young children. Worth noting is its series of articles describing real chemists. An important part of science education of young children is to introduce them to real scientists, to give them the correct impression and image of scientists. The following is an example (This is taken from the page describing chemist Pamela Helms of the Caldrea Company, Minneapolis, MN):