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mvc-024s.jpg (23032 bytes)  Ms. Martucci explained the "Coriolis Effect", which makes the Earth's winds curve. It's caused by the Earth's rotation.


Then she talked about what happens when a cold front meets a warm front. She had two of us pretend we were fronts, and showed what happened when we "collided" into each other!            

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She taught us about air (or barometric) pressure, which is the pressure of the atmosphere against the Earth's surface. Gravity makes this happen! 

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Cloudy or rainy weather can be expected when we're in an area of "low barometric pressure". An air mass with "high barometric pressure" brings fair weather!

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We listened carefully to her instructions on making our own barometers, which measure air pressure.

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Fun 3