Tracking Raindrops

Amy Miller Video on Jul 22, 2008 by for
Topics: Chemistry, Climate, Television, Water
Science Education Collections: ,
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We all rely on the water cycle, but how does it actually work? Scientists at UC Berkeley are embarking on a new project to understand how global warming is affecting our fresh water supply. And they're doing it by tracking individual raindrops in Mendocino and north of Lake Tahoe.

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  • Questioner

    If
    you had a small plant and you wanted to know how much water it released
    each day by transpiration how could you do it? Suggest a method for
    measuring the amount of water the plant transpires.
    QuestionReply

    • Questioner Reply

      Get a small plant, put it in a glass jar with soil in it. Then you get a small lid of water and refill it everyday, leave it in the sun all day too. This works and mine grew so big I had to take the plant out of the jar! You can also tape a plastic bag around ipot plants, use a lid with water too and you'll see drops of water inside it too.