General Knowledge Crossword

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Across
  1. 6. What is the largest ocean on Earth?
  2. 7. Which metal is used to make wires for electricity?
  3. 8. What natural satellite goes around the Earth?
  4. 9. What is the process of water changing from vapor to liquid called?
Down
  1. 1. What do we call the layer of air that surrounds the Earth?
  2. 2. What force helps us stay on the ground?
  3. 3. What is the process by which water changes into vapor?
  4. 4. Which part of the plant makes seeds?
  5. 5. What instrument is used to look at tiny objects?
  6. 10. What gas do plants release during photosynthesis?