Word Associate

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Across
  1. 3. The process by which plants make food using sunlight.
  2. 5. The star at the center of our solar system.
  3. 6. The natural satellite that orbits the Earth. (4)
  4. 7. The liquid we drink to stay alive. (5)
Down
  1. 1. The largest planet in our solar system.
  2. 2. The instrument used to look at stars and planets. (9)
  3. 4. The gas we breathe in to live. (6)