Matter and Sound

12345678910111213141516171819
Across
  1. 6. when matter changes into a new kind of matter
  2. 9. how loud or soft a sound is
  3. 10. anything that has mass and takes up space
  4. 11. a tiny particle that makes up matter
  5. 12. has a definite shape and volume
  6. 14. has no definite volume or shape
  7. 15. how high or low a sound is
  8. 17. a rapid back-and-forth movement
  9. 18. a form of energy that you can hear
  10. 19. anything about an object that can be observed with your senses
Down
  1. 1. when a gas changes to a liquid
  2. 2. a doctor who treats patients with hearing problems
  3. 3. to bounce off an object
  4. 4. the amount of space that an object takes up
  5. 5. a sound wave that reflects clearly enough to be heard again
  6. 7. to take in
  7. 8. when a liquid changes to a gas
  8. 10. the amount of matter in an object
  9. 13. has a definite volume, but not a definite shape
  10. 16. two or more kinds of matter that are combined