Precipitation

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Precipitation

  1. 1. Rap! What is Precipitation? Rain Sleet Snow Hail Can you tell me what kind of precipitation you see?
  2. 2. Precipitation Precipitation is any form of water particles that falls from the atmosphere and reaches the ground. Precipitation can be liquid (rain) or solid (such as snow). Clouds are made up of tiny water droplets or ice crystals. These tiny particles are so light that they remain "hanging" in the air. This is why many clouds do not form precipitation. Precipitation occurs when cloud droplets or ice crystals join together and become heavy enough to fall. They clump around particles of dust in the air. Each particle is like a nucleus that the water molecules condense around. Let's look on page D46. This chart shows the different types of precipitation and how they form.
  3. 3. Classify the types of precipitation into two groups- solids and liquids Sleet Hail Frozen Snow Rain Liquid
  4. 4. Creating a diagram Types of Precipitation Condensation around nucleus Cloud droplets collect Condensation around nucleus Cloud droplets collect Condensation around ice nucleus Supercooled water freezes around ice nucleus, or water vapor changes to ice crystals Ice crystals grow larger Snowflakes Fall through warm air Rain Fall through air at freezing temperatures Sleet Condensation around ice nucleus Cloud droplet freezing Repeats over and over Warm ground temperature Cold ground temperature Snow Hail Create this chart in your science notebook.

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