Sound Quiz

Question 1

Where could two people be a few feet apart and not be able to hear each other screaming?

Answer 1

Space

Question 2

This is because what is missing? (Space)

Answer 2

A medium

Question 3

Sound waves travel through the air at what speed in miles per hour

Answer 3

760 mph

Question 4

A jet flies over going faster than the speed of sound. I will experience what type of sound wave?

Answer 4

Sonic boom

Question 5

This is caused by the waves being physically? (Sonic boom)

Answer 5

Compressed

Question 6

If I’m driving towards the airports bright white lights, it will appear what to me?

Answer 6

Blue shifted

Question 7

If the train is moving away from me its whistle will sound?

Answer 7

Lower pitch

Question 8

What scientific concept explains the difference in sound and light from the previous two questions?
(Blue shifted and lower pitched)

Answer 8

Doppler effect

Question 9

The pitch or frequency of a sound is measured using what units

Answer 9

Hertz

Question 10

The lowest pitch sound humans can hear?

Answer 10

20 Hz

Question 11

Highest pitch sound humans can hear?

Answer 11

20KHz

Question 12

Science name when a sound bends around a doorway and you hear someone in the hall talking?

Answer 12

Defraction

Question 13

Which of the waves above would sound like Alvin and the Chipmunks are singing your favorite song?

Answer 13

A

Question 14

Which of the waves above would sound like Barry White (Low pitch)

Answer 14

B

Question 15

Which of the waves above would sound like someone singing softly?

Answer 15

D

Question 16

Which of the waves above would sound like someone singing loudly?

Answer 16

C

Question 17

Science name when a spoon in a glass of water looks broken where the air and water meet?

Answer 17

Refraction

Question 18

To change a songs volume you need to increase or decrease what in a drawn wave?

Answer 18

Amplitude

Question 19

What is the science name for the spacing of waves behind a duck swimming in water?

Answer 19

Rarefaction

Question 20

X -> Y -> Z
Where is the plane actually at when you hear it?
(Assuming it starts at X)

Answer 20

Y or Z

Question 21

X -> Y -> Z
Where does the plane sound like it is when you hear it?
(Assuming it starts at X)

Answer 21

X

Question 22

What is the scientific word when waves bounce off an object?

Answer 22

Reflection

Question 23

Name when living organisms use sound waves to locate things around them?

Answer 23

Echolocation

Question 24

Besides lightning, give one real world example where light moves faster than sound?

Answer 24

Bullet or Fireworks

Question 25

When waves in front of a fast jet build up, it “adds” the energy which is scientifically called?

Answer 25

Constructive Interference

Question 26

Name a technology product we can own that reduces the sound waves around us?

Answer 26

Noise cancelling headphones

Question 27

The previous uses what science concept that “subtracts” energy in a wave?
(Noise cancelling headphones)

Answer 27

Destructive Interfernece