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Please take a Warm-up on the back desk and begin working. It is due on Thursday.

Please take a Warm-up on the back desk and begin working. It is due on Thursday. Rotation vs. Revolution. Vocabulary.

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Please take a Warm-up on the back desk and begin working. It is due on Thursday.

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  1. Please take a Warm-up on the back desk and begin working. It is due on Thursday.

  2. Rotation vs. Revolution

  3. Vocabulary rotate: to turn about an axis, like a spinning topEarth’s axis: an imaginary line through the center of Earth, connecting the North Pole and South Polerevolve: to move through an orbit around another objectorbit: the circular or oval-shaped path of a revolving object, such as the path of Earth around the Sunequator: the imaginary circle around Earth that is located halfway between the North Pole and South Pole

  4. Rotation vs. Revolution

  5. What causes day and night?

  6. Daylight Map • http://www.daylightmap.com/index.php Earth with shadow spinning

  7. The rotation of the Earth causes day and night

  8. The Earths Tilt The Earth is tilted at 23 ½° from the perpendicular The North Pole points to the North Star at all times At times, the North Pole is pointed towards the sun and at others, away

  9. Earth’s Rotation One complete spin of the Earth is called a rotation One rotation takes 24 hours The Earth rotates west to east, but on Earth we see the Sun rise in the East and set in the West Earth’s rotation creates day and night If the Earth did not rotate, the side facing the sun would be very hot and the other side very cold

  10. Rotation vs. Revolution • Earth’s Rotation creates Day and Night • Earth’s Revolution creates Seasons

  11. What causes the seasons?

  12. The Earth’s Revolution and the tilt of the Earth causes the seasons Earths Revolution Animation Revolution Animation

  13. What causes the moon phases?

  14. The position of the Moon in relation to the Earth and the Sun

  15. Phases of the Moon Phases of the Moon animation Another Phases of the Moon Animation

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