For this mixture worksheet, students fill two test tubes with water and add starch to one and salt to the other. They stir the solutions and observe their appearance. They answer four questions about their mixtures and determine if they...

Third graders explore America's history prior to 1492. This unit of six lessons identifies five regions of the United States and assists students in the development of an understanding of the Native Americans who lived in the regions.

This website, from the University of Edinburgh, provides a lengthy glossary of computer graphics terms written by Olin Lathrop, author of "The Way Computer Graphics Work". This site provides simple definitions of basic terms; no graphics...