1
A simple key for identifying clouds.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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2
A barometer measures atmospheric pressure. Learn how to make your own barometer out of a jar, balloon, and stirring stick.
Grade Level   3 4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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