Are raindrops tear-shaped? Diameter < 2 mm Diameter 2 – 5.5 mm Diameter > 5.5 mm.

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Presentation transcript:

Are raindrops tear-shaped? Diameter < 2 mm Diameter 2 – 5.5 mm Diameter > 5.5 mm

Diameter < 2 mm Water surface tension Air pressure Click to fall

Diameter < 2 mm water surface tension > air pressure retains spherical shape Air pressure Diameter 2 – 5.5 mm Diameter > 5.5 mm Click to fall

Diameter 2 – 5.5 mm Water surface tension Air pressure Click to fall

air pressure flattens bottom, top rounded hamburger bun shape Air pressure Diameter 2 – 5.5 mm Click to fall Diameter < 2 mm Diameter > 5.5 mm

Diameter > 5.5 mm Water surface tension Air pressure Click to fall

air pressure exceeds water surface tension breaks into small drops Diameter > 5.5 mm Diameter < 2 mm Diameter 2 – 5.5 mm Click to fall Air pressure

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