Sound - Assessment

1.

Multiple Choice

3 mins

1 pt

Hearing your brother's music playing from down the hall is an example of what type of wave interaction?

reflection

interference

absorption

diffraction

2.

Multiple Choice

3 mins

1 pt

You and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the ECHO?

sound waves reflecting off smooth, flat surfaces throughout the house

sound waves moving around the large rooms

sound waves moving slowly through air

sound waves refracting around corners in the empty rooms

3.

Multiple Choice

2 mins

1 pt

If distance C on the diagram increased, what would happen to the pitch?

The pitch would be louder.

The pitch would be softer.

The pitch would be higher.

The pitch would be lower.

4.

Multiple Choice

3 mins

1 pt

If the distance represented by the letter A were increased, how would it change the way the sound was heard?

The sound would be higher.

The sound would be lower.

The sound would be softer.

The sound would be louder.

5.

Multiple Choice

3 mins

1 pt

______ is how high or low a sound is; depends on the frequency.

pitch

frequency

sound

medium

6.

Multiple Choice

3 mins

1 pt

A soft, low pitch sound would have which of the following....

low frequency

high amplitude

high frequency

high amplitude

low frequency

low wavelength

low frequency

low amplitude

7.

Multiple Choice

2 mins

1 pt

A reflected sound wave is know as a/an ___________.

frequency

pitch

echo

rarefaction

8.

Multiple Choice

2 mins

1 pt

Whistle has ______ pitch and Drum has _______ pitch.

low, high

low,low

high,low

high,high

9.

Multiple Choice

3 mins

1 pt

What best describes the doppler effect?

An apparent change in frequency of a wave due to the relative motion between a wave source and an observer

When sound changes pitch in one time.

When sound produces echo.

An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.

10.

Multiple Choice

3 mins

1 pt

When the car moves AWAY from you, its horn seems...

Low pitched

High pitched

Normal

11.

Multiple Choice

3 mins

1 pt

When an ambulance move TOWARD you it sounds ________ pitched.

high

low

medium

12.

Multiple Choice

3 mins

1 pt

When does sound refract?

When it travels in a vacuum.

When it moves through cold air.

When it travels in only one medium.

When it moves from one medium to another.

13.

Multiple Choice

2 mins

1 pt

see image: The image best illustrates sound......

Reflection

Diffraction

Absorption

Interference

14.

Multiple Choice

2 mins

1 pt

Which of the following an example of SOUND DIFFRACTION?

Sound travelling around corners.

Sound being muffled by sound proof panels.

Sound heard by earphones.

15.

Multiple Choice

2 mins

1 pt

see image: The animation best illustrates sound __________.

Reflection

Diffraction

Interference

Absorption

16.

Multiple Choice

2 mins

1 pt

The phases of matter sound can travel through (check all that apply)

solid only

liquid only

gas only

solid, liquid, and gas

17.

Multiple Choice

3 mins

1 pt

This part of the ear vibrates in response to being hit by sound waves first.

ear canal

ear drum

cochlea

18.

Multiple Choice

2 mins

1 pt

True or False: Sound waves are faster than light.

False

True

19.

Multiple Choice

2 mins

1 pt

It is a good sound absorber.

marble tile

concrete wall

soft board

aluminium sheet

20.

Multiple Choice

2 mins

1 pt

Sound RESONANCE occurs when the sound frequencies are _______________,.

the same.

different.

changing.

21.

Multiple Choice

2 mins

1 pt

see image: A sound of 140 Decibel is __________ to our ears.

pleasant

painful

safe

normal

22.

Multiple Choice

2 mins

1 pt

An ULTRASOUND used in medical procedure is another type of _____________.

Chemical echolocation

Light echolocation

Magnetic echolocation

Electrical echolocation

23.

Multiple Choice

2 mins

1 pt

See image: The image best illustrates that sound waves can __________.

be reflected

be absorbed

be refracted

all of the choices

24.

Multiple Choice

2 mins

1 pt

see image: The following are Sound Waves Interactions EXCEPT

Reflection

Absorption

Interference

Infrasonic

Diffraction

25.

Multiple Choice

2 mins

1 pt

How do we take good care of our ears?

Use earplugs or earmuffs for loud music

Keep your ears dry

Don’t listen to your personal music player at very high volume

All of these

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