Know your Earth?

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Across
  1. 1. When the entire moon is visible.
  2. 4. The natural satellite of earth which does not produce its own light.
  3. 5. Land surrounded on all sides by water.
  4. 7. Earth's spinning motion on its axis. It takes 24 hours.
  5. 9. The large round bodies that revolve around the sun.
  6. 10. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
  7. 12. The low land between hills and mountains.
  8. 14. A group of stars that forms a pattern in the sky. Used for navigation like a map.
  9. 15. The different shapes we see of the moon each night, caused by the moon's changing position.
  10. 16. Air pressure that comes with clear skies and calm weather.
  11. 17. Different weather patterns at different times of the year, caused by the tilt of the earth's axis.
  12. 19. Earth's motion around the sun. It takes 365 1/4 days.
  13. 21. Tool used to measure humidity.
Down
  1. 2. When the earth moves between the sun and the moon, casting a shadow on the moon.
  2. 3. When the moon moves between the earth and the sun, blocking the sun's light.
  3. 6. When no part of moon is lit by the sun, making it dark.
  4. 8. Every four years we add this to our calendar to account for the 365 1/4 days it takes Earth to revolve around the sun.
  5. 11. The imaginary line around which the Earth spins. It is tilted.
  6. 13. Air pressure that comes with high wind, warm temperatures and storms.
  7. 18. large land mass
  8. 20. Land mass with high peaks.
  9. 22. A group of billions of stars clustered together.