Lesson 2: Our Planet, Earth

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Across
  1. 3. Crack in Earth’s crust.
  2. 5. Period during which hours of daylight and hours of darkness are of equal length everywhere on Earth.
  3. 7. Period during which hours of daylight are longest in one hemisphere and shortest in the other hemisphere.
  4. 9. Process that breaks down rock into tiny pieces.
Down
  1. 1. Process of dropping eroded material in a new place.
  2. 2. Molten rock found under Earth’s surface.
  3. 4. To support.
  4. 6. Share.
  5. 8. Tectonics A process involving huge blocks of Earth’s crust and upper mantle that are called tectonic plates.
  6. 10. Process by which water, ice, or wind remove rock and soil.