Front

Question 1

The unit for frequency is what?

Answer 1

Hertz

Question 2

When you squeeze together the coils of a spring and then release them, you are creating what kind of wave?

Answer 2

Longitudinal

Question 3

What is another word for compressional waves?

Answer 3

longitudinal wave

Question 4

What type of waves are water waves?

Answer 4

surface waves

Question 5

What are seismic waves?

Answer 5

Waves generated from an earthquake

Question 6

You are creating a wave on a string. If you start shaking the string more slowly, what happens to the resulting wavelength?

Answer 6

The wavelength will increase

Question 7

If you notice the number of waves that pass you increase, what is true about the distance between each crest?

Answer 7

The distance will decrease

Question 8

How is the energy of a wave measured?

Answer 8

by amplitude

Question 9

For a given wave, if the frequency doubles, what happens to the wavelength?

Answer 9

The wavelength will halve

Question 10

When light is reflected from a surface, as the angle of incidence increases, what happens to the angle of reflection?

Answer 10

Increases by the same amount

Question 11

You see shapes and color because light is being what?

Answer 11

Reflected

Question 12

What happens when the crest of one wave passes through the trough of another wave?

Answer 12

Destructive interference occurs

Question 13

A tuning fork begins to vibrate when a certain note is played. This is an example of what?

Answer 13

Resonance

Question 14

If wavelength is constant, what increases as the speed of the wave increases?

Answer 14

Frequency increases

Question 15

If the period of a certain wave with a wavelength of 4.5m is 2 seconds, what is the speed of the wave?

Answer 15

2.25 m/s

Question 16

Tapping the surface of a pan of water generates 17.5 waves per second. If the wavelength of each wave is 0.45 m, what is the speed of the wave?

Answer 16

7.9 m/s

Question 17

A place where molecules are far apart is called what?

Answer 17

Rarefaction

Question 18

What is it called when light bounces off an object?

Answer 18

Reflection

Question 19

What type of wave is a sound wave?

Answer 19

Longitudinal wave

Question 20

Is the speed of sound greater in water or air?

Answer 20

In water

Question 21

If the intensity of a sound decreases, what also will decrease?

Answer 21

Loudness

Question 22

How does the brain interpret the intensity of sound?

Answer 22

As loudness

Question 23

At what intensity of sound could permanent hearing loss occur?

Answer 23

80 dB

Question 24

What unit is used to measure frequency?

Answer 24

Hertz

Question 25

What must occur for the Doppler effect to work?

Answer 25

You or the object needs to be moving