Adapted by Mariana Garcia from http://scorescience.humboldt.k12.ca.us/fast/teachers/Matter/matter.htm
HOME
Background Investigation
The packages
Rubric and Extra
Element Baby Book Project
Baby Books
More
This box contains a colorless and odorless gas. It's atomic number is 2, and can be found in the last column on the periodic table. The card says it is used to fill balloons.