Willis Haviland Carrier

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Willis Haviland Carrier

Willis Haviland Carrier helped to create air-conditioning . Carrier learned about temperature and humidity of air. Temperature is how hot or cold the air is. Humidity is the amount of water in the air. He came up with basic equations for scientists used to understand temperature and humidity are connected.

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What season of the year do you think it would be very hot and humid that people would need air conditioners?

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Think about a time that you might have to stay in the shade or go to the pool when outside.

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