Aubrey - unit 3 vocab

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Across
  1. 2. Strengthening the heart and lungs
  2. 5. An area that you study on earth
  3. 6. Rock from volcano
  4. 7. A rock with a cavity
  5. 9. A mental disorder
  6. 10. Performed in the air
Down
  1. 1. Shapes that reduces drag from wind
  2. 3. A bright display of fireworks
  3. 4. To put air or gas into something
  4. 8. Natural heat produced from the earth