Bats

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. A measuring instrument that sends out an acoustic pulse in water and measures distances in terms (5)
  2. 5. Determining the location of something by measuring the time it takes for an echo to return from it (12)
  3. 7. A mammal with wings formed from its forelimbs. (3)
  4. 10. The movement of persons from one country or locality to another (9)
  5. 11. Dense coat of fine silky hairs on mammals (3)
  6. 12. A corpse that rises at night to drink the blood of the living (7)
  7. 13. The time after sunset and before sunrise while it is dark outside (5)
  8. 14. An instance of traveling by air (6)

Down

  1. 1. A movable organ for flying (plural) (5)
  2. 2. An outward semblance that misrepresents the true nature of something (10)
  3. 4. Having frequencies above those of audible sound (10)
  4. 5. The sense organ for hearing and equilibrium (plural) (4)
  5. 6. Belonging to or active during the night (9)
  6. 8. Sweet food that grows on plants (5)
  7. 9. A geological formation consisting of an underground enclosure with access from the surface of (plural) (5)
  8. 10. Any warm-blooded vertebrate having the skin more or less covered with hair (plural) (7)