What Is a One Part Per Million Solution?
Have students work in groups of four. Place materials for groups on plastic trays, and set trays in a central location for Materials Managers to pick up.
Number six portion-size cups 1 through 6 (one set per group). Alternately, use commercially available chemistry trays or cut the bottoms of plastic egg cartons in half to create chemistry trays with six wells.
Materials per Student Group
- 6 2-oz portion cups (numbered 1-6)
- 2 9-oz clear plastic cups
- 2 pipettes or droppers
- Small bottle of blue or red food coloring
Materials per Student
- Copy of "What Does One in a Million Look Like?' page
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Funded by the following grant(s)
The Environment as a Context for Opportunities in Schools
Grant Numbers: 5R25ES010698, R25ES06932
Foundations for the Future: Capitalizing on Technology to Promote Equity, Access and Quality in Elementary Science Education