TRIVIA

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TRIVIA (?)
Why are plants green in spring/summer and brown
in fall?
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Photosynthesis

• Chlorophyll pigments absorb sunlight in order to
  get energy.
• Do they absorb all of the sunlight?

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How do plants use sunlight?
Chlorophyll pigments absorb 90 of the Red and
Blue lights or energy. Reflect back about 20
Green light Reason why we see them green!
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(No Transcript)
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What can satellites see?
Satellite electromagnetic sensors let us see
beyond the visible...
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How do imaging satellites work?
satellite eyes or sensors
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Remote Sensing Images
human eye
satellite eyes
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Questions

• Do you think plants are the only thing that
  absorb and reflect different lights?
• How does pure water use light? (take a guess!)

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• Why are plants green in spring/summer and brown
  in autumn?