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Year 8 Waves L4 Properties of sound waves Application

Posljednje ažuriranje over 5 years ago

8

1

Pitanje 1

1.

What is the speed of sound in air?

300,000,000 m/s

343 km/h

343 m/s

2

1

1

Pitanje 2

2.

Why does sound travel slower in air than in solids or liquids? Use the diagram to help you and these key words: particles, vibrations, sound wave

Pitanje 3

3.

Draw a sound wave with the same pitch but louder than the wave in the picture. (Use the same axes, i.e. draw on top.)

Pitanje 4

4.

Draw a sound wave with the same volume but a higher pitch than the wave in the picture. (Use the same axes, i.e. draw on top.

1

Pitanje 5

5.

The wave with which letter matches the description?

A

B

C

D

1

1

1

Pitanje 6

6.

The wave with which letter matches the description?

A

B

C

D

Pitanje 7

7.

The wave with which letter matches the description?

A

B

C

D

Pitanje 8

8.

The wave with which letter matches the description?

A

B

C

D