Sound Worksheet-14

Sound Worksheet-14

1. A vibration is rapid back and forth movement.

2. Sound can travel through liquids and gases but not through solids.

3. Sound waves propagate through movement of molecules from one place to another.

4. The ear drum transmits the sound to the middle ear.

5. The speed of the sound depends upon temperature.

6. We cannot hear sound waves of frequency below 20 Hz.

7. Exposure to noise can cause loss of hearing.

8. Sound waves are electromagnetic waves

Answer:

1. True

2. False

3. False

4. True

5. True

6. True

7. True

8. False