The Earth and the Sky

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Across
  1. 3. Some lands are flat, they are called___.
  2. 5. Very high hills are called?
  3. 8. some mountains are covered with snow, when this snow melts it forms a__ ?
  4. 9. The Sun sets in the ____ direction?
Down
  1. 1. When we see the Moon round like a ball, we call it a?
  2. 2. When the Sun shines it is called?
  3. 4. They Looks small because they are far away from us.
  4. 6. When we see the stars at?
  5. 7. Sun gives us light and _____?