Practice 1

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Across
  1. 4. The only planet that is not named after a Greek/ Roman God
  2. 6. Earth is covered with 70%______
  3. 8. The brightest planet in the night sky
  4. 9. Northern Lights
  5. 10. The chemical element uranium was named after _____ planet
Down
  1. 1. The earth's atmosphere is made up of 78% ______
  2. 2. planet in the solar system that is farthest from the Sun
  3. 3. Earth is the _____ planet in the solar system.
  4. 5. Planet nicknamed as the ‘Red Planet’
  5. 7. Planet closest to the sun