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Day and night. Day and Night. Horizon : an imaginary line where the land seems to meet the sky. Day and night. How does the Sun’s position in the sky change during the day? Sunrise : The Sun rises on the eastern horizon casting long shadows. Day and Night.

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Presentation Transcript
day and night1
Day and Night
  • Horizon: an imaginary line where the land seems to meet the sky.
day and night2
Day and night
  • How does the Sun’s position in the sky change during the day?
  • Sunrise: The Sun rises on the eastern horizon casting long shadows.
day and night3
Day and Night
  • Midday: At midday the sun appears high overhead casting short shadows.
day and night4
Day and night
  • Sunset: The Sun sets on the western horizon casting long shadows.
day and night5
Day and Night
  • Rotate: to turn around on an axis or center point.
day and night6
Day and Night
  • What causes day and night?
  • As the Earth rotates from west to east, the side that faces the Sun experiences day.
slide8

What causes day and night?

  • As the Earth rotates from west to east the side facing away from the Sun experiences night.
day and night7
Day and Night
  • How long does it take for the Earth to make 1 day/night rotation?
  • It takes 24 hours or one day for Earth to make 1 day/night rotation.
day and night8
Day and Night

Quick Check

  • Earth rotates from ___________ to _____________.
  • The Sun seems to move across the sky from _________ to __________.
  • One day on Earth equals _____________.
day and night9
Day and Night
  • Axis: is a real or imaginary line through the center of a spinning object.
day and night10
Day and Night
  • Sphere: an object shaped like a ball.
day and night11
Day and Night
  • Is the Earth’s axis tilted or straight up and down?
  • The Earth’s axis is tilted 23.5 degrees and runs through the center of the Earth from the North Pole to the South Pole.
day and night12
Day and Night
  • The Earth is shaped like a ___________.
  • The Earth’s axis runs from the __________ to the __________.
  • The Earth’s ________ is tilted ____________.
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