Abstract
My husband is a scientist. He often brings home different scientific journals and magazines to read, and my 4-year-old son, Nicholas J. Hu, likes to flip through them. A recent issue of Chemical and
Engineering News (September, 2003) caught his interest more than usual because there were stories of different elements. Nicholas has been able to recognize elements for more than a year now. He knows some facts about common elements such as oxygen (O), calcium (Ca), nitrogen (N), and hydrogen (H).
Get full access to this article
View all access options for this article.
