Wonder Vocabulary Practice

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Across
  1. 4. A great applause of something entertaining.
  2. 6. To leave something permanently.
  3. 8. Someone who studies genetics.
  4. 9. Someone who is very quiet.
Down
  1. 1. Something that changes course from normal.
  2. 2. A reaction to past or previous events.
  3. 3. To make something go in the opposite direction.
  4. 5. Retracing your previous steps.
  5. 7. A device to help warm eggs to correct temperature.