Daily 5 week 15

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Across
  1. 3. the listeners at an event
  2. 5. the study of the science of hearing
  3. 6. an instrument for measuring temperature
  4. 8. a device that regulates temperature
  5. 9. the study of the Earth's physical structure
Down
  1. 1. math dealing with the shape/arrangement of items
  2. 2. a metric unit of length 1/100th of a meter
  3. 4. a metric unit of length, equal to 1,000 meters
  4. 7. the study of living organisms