Ch. 15 Lesson 2 What patterns repeat every     year?
revolution• when Earth makes 1 complete  trip around the Sun• takes 1 yearrotation
Earth rotates        as it revolves.             SunEarth
Earth’s axis always points toward  the same direction in space.
When the Northern Hemisphere is havingsummer, Earth is actually at its greatest        distance from the sun.
Earth has seasonsbecause it is tiltedas it revolvesaround the sun.
2.         1.                       Earth’s revolutiontilt of Earth’s axis                         around sun
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3rd Grade-Ch. 15 Lesson 2 What patterns repeat every year

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3rd Grade-Ch. 15 Lesson 2 What patterns repeat every year

  1. 1. Ch. 15 Lesson 2 What patterns repeat every year?
  2. 2. revolution• when Earth makes 1 complete trip around the Sun• takes 1 yearrotation
  3. 3. Earth rotates as it revolves. SunEarth
  4. 4. Earth’s axis always points toward the same direction in space.
  5. 5. When the Northern Hemisphere is havingsummer, Earth is actually at its greatest distance from the sun.
  6. 6. Earth has seasonsbecause it is tiltedas it revolvesaround the sun.
  7. 7. 2. 1. Earth’s revolutiontilt of Earth’s axis around sun
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