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FIRST, GO TO LINK #1. |
What is Earth’s atmosphere?
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What
is it composed of?
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How was the atmosphere formed?
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Three functions of Earth’s atmosphere are:
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Can we change the composition of the atmosphere? If so, how?
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What is air pressure at sea level? How much does it change as you reach an altitude of 10,000 feet?
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NOW, GO TO LINK #2.
Click on “Questions and Answers (brief)”. Page down,
and read all 6 sections.
What is
the ozone layer and why is it important?
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How does
ozone depletion occur?
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What is
being done about ozone depletion?
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CLICK
ON THE BACK BUTTON, AND GO TO “FORECAST EARTH”. You
can watch the 2 mini-movies by selecting the Broadband, Windows-Media Player
option.
THEN…LINK #3. EXPLORE “THE