Across:
2. It travels through electromagnetic
waves.
5. It is produced by sound.
6. It is an object that produces sound.
7. It is a sensitive membrane where
sound is transmitted.
Down:
1. It produces heat and helps plant in
food making process.
3. It is an echo-sounding device.
4. It is the use of heat energy in
preparing food.
8. It is the ability to do work,
9. It is produced through vibrations.​