Weather - Experiment 2 - Clouds: Will a drop in air temperature cause a cloud to form?
Experiment 2
Clouds: Will a drop in air temperature cause a cloud to form?
Purpose/hypothesis
In this experiment, you will create a cloud in a bottle by making water vapor condense around tiny smoke particles in the air. To make the vapor condense, you will suddenly reduce the air pressure, allowing the water vapor molecules to move farther apart and cool off.
But is it the drop in temperature that causes the cloud to form? And will a cloud form without tiny particles in the air? To find out, you will also try the experiment without a drop in temperature and without smoke particles in the air. (You might need a helper to complete these experiments.)
Before you begin, make an educated guess about the outcome of this experiment based on your knowledge of clouds. This educated guess, or prediction, is your [The entire page is 1324 words long]
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