This simple introduction to air looks at what air is, air and animals, how humans breathe air, air and plants, water in the air, the wind, rising and sinking air, air pollution and wind power. Includes a quiz and a step-by-step activity for how to make a wind spinner.This simple introduction to air looks at what air is, air and animals, how humans breathe air, air and plants, water in the air, the wind, rising and sinking air, air pollution and wind power. Includes a quiz and a step-by-step activity for how to make a wind spinner.
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