AIR, ACID RAIN & POLLUTION
A B
A. Air in a Bottle—Demonstration Model
Help students see the gases in Earth’s atmosphere with this 3-liter
model containing one million different-colored spheres. Each color
represents a different gas, and students determine which gas is which.
AP7558—$55.40
B. Becker Bottle “One in a Million Too”
What does it mean for a contaminant to be found in a concentration
of one part per million? With a lone black sphere among 999,999
yellow spheres, this 3-liter model helps this concept come to life.
AP4854—$50.85
Carbon Cycle Adventure—Super Value Activity Kit
Students follow a single carbon atom throughout the cycle with the roll of specially designed dice that determine
next steps in the process: diffusing into water, being absorbed for photosynthesis or remaining in place.
FB2206—$19.95
12 FLINN SCIENTIFIC I 1-800-452-1261
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