Why Does Rain Smell?

Why Does Rain Smell?

Key Facts In This Video

  • 1

    Petrichor is the scientific name of the smell of rain. (0:21)

  • 2

    The smell of rain is often the result of rain hitting the soil and interacting with substances that helped maintain the dirt. (1:16)

  • 3

    Ozone, which also smells of rain, is formed when lightning ionizes a molecule of oxygen. (1:40)

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