Question

solve the following crossword
this subject is science
class 8​

Answer 1

Explanation:

down

1.sound

3.wavelength

5.crest

9.echo

12.cochlea

16.hertz

14.infrasound

Answer 2

Answer:

ACROSS

1. Speed

7. Amplitude

8. Decibel

10. Faster

11. Trough

13. Noise

15. Pitch

17. Frequency

DOWN

1. Sound

2. Ear

3. Wavelength

4. Ultrasonic

5. Crest

6. Vacuum

9. Echo

12. Hearing

14. Subsonic

16. Hertz

Explanation:

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