Ecology Science Kit - Power Tech Series Age: 10+ The Ecology Science
Kit from Tree of Knowledge is a great way to learn about the Earth's ecology.
This set includes 150 intriguing experiments. Learn how a thermometer is built,
what is the Greenhouse Effect, the formation of ice crystals, calorie
calculations, how plants make oxygen, how to make a two colored flower, testing
for acid rain, testing for bacteria in the air, what is biodegradable, and how
to make a barometer. |
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