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Unit 8 Waves Study Guide - Part One

Total questions: 51

Worksheet time: 26mins

Name
Class
Date
1.

A wave moves energy in the same direction that it _________

a)

propagates

b)

stops

c)

refracts

2.

A wave transfers energy but does/does not transfer matter.

a)

does

b)

does not

3.

The substance through which a wave moves is known as the ________.

a)

medium

b)

energy

c)

frequency

4.

In a ____________________ wave, the coils move parallel to the direction that the wave travels.

a)
longitudinal
b)
mechanical
5.

Scarlett is observing a slinky stretched out on the floor. She notices that in some areas, the coils are spread out. These areas are called ________________

a)

close; compression

b)

separation

c)

rarefaction

6.

An area where the coils are close together is called a ______________.

a)

compression

b)

separation

c)

rarefaction

7.

When Charlie shakes one end of a slinky up and down, the coils of the slinky move perpendicularly to the direction that the wave travels. This is an example of a _________________ wave.

a)

transverse

b)

longitudinal

8.

The ________________ point of the wave is called a crest.

a)

lowest

b)

highest

9.

The lowest point of the wave is called a ___________

a)

crest

b)

trough

10.

The upper wave has more/less energy than the bottom wave, because the amplitude/wavelength/frequency of the upper wave is greater than that of the bottom wave.

a)
more; wavelength
b)
more; amplitude
c)
less; amplitude
d)
less; wavelength
11.

Look at the image of the waveform. Approximately how many wavelengths are shown?

a)
6
b)
7
c)
8
12.

Aiden is watching a colorful beach ball bob up and down on the surface of the ocean. Which medium is the wave traveling through?

a)

a. air

b)

b. water

c)

c. plastic

13.

Think about how sound travels and decide whether a person outside the boxes would be able to hear the balloon pop. Explain why or why not.

4 lines
14.

When Michael is watching waves move across a pond, a measure of how far a water droplet moves away from its normal rest position is the ______________________.

a)

frequency

b)

amplitude

c)

speed

15.

Abigail is tuning her radio and notices that the stations are listed by their frequency. Frequency is usually expressed in ___________

a)

nanometers

b)

hertz

16.

Wave speed, like all speeds, is measured in units of distance divided by time, such as __________________

a)
seconds per miles
b)
meters per second
17.

The ________________ of a wave increases as the energy increases.

a)

amplitude

b)

wavelength

18.

The relationship between amplitude and wave energy is that energy is ________________ to amplitude squared.

a)
proportional
b)
slower
c)
faster
19.

Daniel is conducting an experiment and needs to choose a material through which sound can travel. The material can be air, water, steel, or any other substance. In this context, what is this material called?

a)

medium

b)

frequency

c)

wavelegth

20.

Kai is conducting an experiment in a laboratory. He creates a space that contains no particles of matter. This space is called a ___________________. According to science, a vacuum is not a medium.

a)

medium

b)

vacuum

c)

wave

21.

James is conducting an experiment in his science class. He notices that certain types of waves cannot travel through a vacuum and require air, water, or another substance to move. The defining characteristic of ___________________ waves is the need for a medium.

a)

mechanical

b)

longitudinal

c)

sound

22.

Waves from a ________ in the water, a friend _________________, and _____________ waves moving through the ground are examples of mechanical waves. Select all that apply

a)
boat
b)
earthquake
c)
shouting
d)
person
e)
sound
23.

Nora is listening to music in her room. The sound waves from the speaker are a type ___________________ mechanical wave and can travel through gases, liquids, and solids.

a)

longitudinal

b)

transverse

24.

Olivia is conducting an experiment to see how sound travels through different materials. She notices that the speed of sound changes depending on the ______________ of the medium through which the waves travel.

a)

color

b)

density

25.

Explain how sound travels faster and slower through different mediums.

4 lines
26.

This diagram represents a sound wave traveling from left to right. As the wave passes the location of the particle represented by the red dot, how does the particle move?

a)
a. The particle travels from left to right along with the sound wave.
b)
b. The particle vibrates horizontally, moving both left and right.
c)
c. The particle vibrates vertically, moving both up and down.
27.

Which statements are true about the diagram of the ball in the water?

a)
A. The ball moves along with the wave as the wave moves.
b)
B. The ball moves up and down as the wave passes by.
c)
C. The wave transfers energy as it moves.
d)
D. The ball transfers energy to the wave.
28.

While at the beach, Peyton noticed that when she dropped a pebble into the water, ______________ waves spread out through the water over time, and they spread out in as many directions as they are able.

a)

longitudinal

b)

mechanical

29.

When Lily throws a pebble into a calm pond, ________________ waves on water spread out in a circle around the original disturbance.

a)

surface

b)

sound

30.

When Mason claps his hands in an open field, ______________ waves in the air spread out as a sphere around the source of the sound.

a)

surface

b)

sound

31.

When energy is absorbed by a medium, the medium ____________ energy, and the wave gains that energy.

a)

gains

b)

loses

32.

When sunlight passes through a window and is absorbed by the glass, the glass gains energy, and the sunlight wave ___________ that energy.

a)

loses

b)

gains

33.

Explain why a high pitch sound does not travel as far as a low pitch sound.

4 lines
34.

Arin is listening to music in his room. Which statement best describes how the sound waves from the speakers reach his ears?

a)

A. Sound waves are transferred from molecule to molecule in a medium.

b)

B. Sound waves pass through the spaces between the molecules of a medium.

c)

C. Sound waves push all the molecules of a medium in front of them, creating a shock wave.

35.

A wave is moving from a denser medium to a less dense medium, as shown in the diagram. What can you conclude about the behavior of the wave at the boundary? Select all that apply.

a)

A. Some of the wave’s energy continues into the less dense medium.

b)

B. A portion of the wave is reflected back into the denser medium.

c)

C. The wave causes particles to permanently move from one medium to the other.

36.

Acoustic panels (shown below) are primarily used in music studios to control which property of sound: absorption, reflection, or transmission?

a)

absorption

b)

reflection

c)

transmission

37.

The recording booth shown has a window through which sound may be transmitted. Which of the following window structures would transmit the least amount of sound?

a)
A. a thin single pane of glass
b)
B. a thick single pane of glass
c)
C. double panes of glass with a dense gas between them
d)
D. double panes of glass with a vacuum between them
38.

When Sophia shouts across a canyon and hears her voice bounce back after hitting the opposite wall, this is an example of a (n)____________ that can occur when a mechanical wave contacts a new medium.

a)

echo

b)

compression

c)

noise

39.

Benjamin is playing with a ball and throws it against a wall. When the ball bounces off the wall and comes back to him, this is similar to when a wave bounces off the boundary and travels back through the original medium. This is called a ________

a)

refraction

b)

compression

c)

reflection

40.

Nora is at a swimming pool and notices that when she shouts towards a wall, some of her voice bounces back as an echo while some continues forward. In this situation, the original sound wave becomes two waves and the energy from the original wave is ____________ between the transmitted wave and the reflected wave.

a)

lost

b)

split

c)

reflected

41.

When Benjamin notices that a straw appears bent when placed in a glass of water because the path of light waves bends due to a change in wave speed, ________________ occurs.

a)

compression

b)

refraction

c)

reflected

42.

While swimming in a pool, Evelyn notices that when she looks at a stick partly submerged in water, it appears bent. The amount of __________________ depends on the angle at which the light wave encounters the water's surface and how much the speed of the wave changes.

a)

compression

b)

refraction

c)

reflected

43.

Emma is conducting an experiment to observe how light travels through different materials. She uses a graph that shows the speed of light in a vacuum, water, glass, and diamond. Based on the information in the graph, which statements are supported? Select all that apply.

a)

A. Light travels at the same speed in water, glass, and diamonds

b)

B. Light travels the fastest in a vacuum compared to the various media.

c)

C. Light cannot travel through any media at all.

d)

D. Light travels slower in media than it does in a vacuum.

e)

E. Light can travel with or without a medium.

44.

Kai places a shiny sphere in the garden, and he notices that he can see the flowers and trees reflected on its surface. What behavior of light is most clearly shown by the sphere?

a)

A. refraction

b)

B. absorption

c)

C. transmission

d)

D. reflection

45.

Scarlett is looking at her garden in a shiny sphere placed on a stand. The image on the sphere appears curved because the sphere is a prism/ mirror (pick one).

a)

prism

b)

mirror

46.

When light strikes the surface of a curved glass, it either reflects off or refracts through (choose one) the surface, which can make the image look unusual.

a)

reflects off

b)

refracts through

47.

Light can pass through a transparent object in a ________ line.

a)

straight

b)

curved

48.

Aiden is conducting an experiment to see how fast light can travel through different materials. He discovers that light travels most quickly through ________________, where it travels at a speed of about 300,000,000 m/s.

a)

water

b)

a vacuum

c)

air

49.

While walking outside on a sunny day, Olivia notices the different types of light around her. The light that humans readily see is called__________ light.

a)

visible

b)

infrared

c)

ultraviolet

50.

While helping Emma set up her science project, you notice that the EM spectrum is composed of many types of________ waves, including __________ , radio waves, and ____________________.

a)

EM

b)

Xrays

c)

Ultraviolet

d)

microwaves

51.

Scarlett is learning about EM waves in her science class. She discovers that EM waves with shorter wavelengths carry more ____________.

a)

energy

b)

sound

c)

amplitude

d)

frequency