Code Breaker

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Across
  1. 4. Kept top-secret or hidden.
  2. 5. Soft, sleepy, and peaceful.
  3. 8. Brave and not giving up.
  4. 9. Serious, quiet, and a little sad.
  5. 10. Full of energy and "pep!"
Down
  1. 1. Shiny and bright (like water).
  2. 2. Delicate and easy to break.
  3. 3. The very top or the best part.
  4. 6. Happening very suddenly.
  5. 7. Glowing with a beautiful light.