Earth's Orbit and Rotation

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Across
  1. 3. The path an object follows as it moves around another one.
  2. 4. An ancient tool used to tell time during the day.
  3. 6. An area on Earth that has a specific time that all people living there can set their clocks to.
  4. 8. The apparent shift of position of some stars throughout the year.
  5. 10. A model of the solar system that puts the sun at the center of the solar system and says that everything orbits the sun.
  6. 11. A group of stars that form a recognizable shape such as the big dipper.
Down
  1. 1. Planets that orbit around a sun. Ours consists of 8 planets, the sun, and the moon.
  2. 2. A tool that provides evidence that the earth is rotating.
  3. 5. An old model of the solar system that puts the Earth at the center of the solar system and says that everything orbits the Earth.
  4. 7. A year with one additional day added.
  5. 8. A dark shape made when an object blocks light.
  6. 9. The action of the earth turning or spinning around its center.