Discovering Atoms

by Natalie Goldstein and Margaret Christine Campbell

The earliest humans understood matter on a very basic, practical level. Through trial and error they determined which rocks could make good spearheads and good pounding or grinding stones. The Bronze Age began about 2000 BCE when rocks containing copper and tin were heated together. The combination of the two metals yielded the alloy bronze. Metals played a significant role in the growth of chemical knowledge. Important questions were posed--what...

• Format: Library Binding
• Language: English
• ISBN: 1448847001
• ISBN13: 9781448847006
• Release Date: August 2011
• Publisher: Rosen Young Adult
• Length: 112 Pages
• Weight: 0.75 lbs.
• Dimensions: 0.4" x 6.1" x 9.0"
• Age Range: 12 to 17 years
• Grade Range: Grades 7 to 12