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Today

Today. Hand in any work needed. Get out a small piece of paper, PUT YOUR NAME ON IT. When bell rings the quiz will start and you will have 1 minute per question to answer. Question 1. How long does it take for earth to rotate once?. Question 2.

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Today

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  1. Today • Hand in any work needed. • Get out a small piece of paper, PUT YOUR NAME ON IT. • When bell rings the quiz will start and you will have 1 minute per question to answer.

  2. Question 1 • How long does it take for earth to rotate once?

  3. Question 2 • When the sun directly hits the southern hemisphere what season is it in the north? • South?

  4. Question 3 • How many degrees per hour does the Earth rotate?

  5. Question 4 • How many hours of light do we have on March 21?

  6. Answers • How long does it take for earth to rotate once? 24 hours • When the sun directly hits the southern hemisphere what season is it in the north? South? Winter then summer • How many degrees per hour does the Earth rotate? 15o • How many hours of light do we have on March 21? 12 hours

  7. The Moon

  8. Vocabulary • Crater • Rays • Rille • Mare • Tide • Eclipse

  9. Moon Facts • Mass:7.35x1022kg • 73,500,000,000,000,000,000,000 kg • Gravity: 1.6 meters/second (moon) • 9.8 meter/seconds (earth) • The moon rises in the East and sets in the West • The moon moves to the East 12 degrees each day. • It would take along time to get to the moon: • By Car 130days • By rocket 13 hours • Speed of Light 1.52 seconds

  10. General features • Craters Impact zone or hole • Rays Debris from crater

  11. How do craters form?

  12. Parts of the moon • Rille • Mountain range • Mare (MAR-ee-a) • Dark spots formed from Magma flooding the surface.

  13. Moon phases • The moon has phases based on its location between the Earth and Sun.

  14. Look familiar?

  15. Tides • What are tides? • High and low waterlevels from gravity. • What causes them?

  16. Eclipses • Solar Eclipse -rare • Sun-Moon-Earth • Lunar Eclipse • Sun-Earth-Moon • Almost monthly

  17. Open to Page 16 • Use your notes to answer the following 5 questions and drawings. • ~10 minutes we will grade.

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