A disturbance that transfers energy from place to place.

1
A disturbance that transfers energy from place to
place.
wave
2
Mechanical waves are created when a source of
energy causes a medium to
vibrate
3
The highest part of a transverse wave.
Crest
4
Waves that move the particles of the medium
parallel to the direction in which the wave is
moving
longitudinal
5
The maximum distance that the particles of a
medium move from the rest position
amplitude
6
The distance between two corresponding parts of a
wave
wavelength
7
The speed of a wave is its wavelength multiplied
by its
frequency
8
How does energy move through a medium?
The particles bump into each other, passing the
energy along.
9
How are mechanical waves classified?
how they move
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Frequency is measured in units called
Hertz
11
What kind of wave causes the particles in the
medium to move to right angles to the direction
the wave is moving?
transverse
12
The ____________ of a mechanical wave is a direct
measure of its energy.
Amplitude
13
What do waves transfer?
Energy
14
Does this tell us the distance between the two
waves?
No
15
What is the difference between longitudinal waves
with different amplitudes?
How compressed or rarefied it is
16
The _______________ of a wave tells us the number
of waves that are produced in a certain amount of
time.
Frequency
17
What is the frequency if three waves pass a point
every second?
3 Hz.
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What part of a longitudinal wave is this?
Compression
19
Which has a shorter wavelength?
20
What kind of wave carries energy through empty
space?
Electromagnetic
21
What is the stuff a wave travels through?
medium
22
Which has a larger amplitude?
23
What is an ocean waves medium?
Salt Water
24
How do longitudinal waves move?
Parallel to the direction of the wave
25
What part of a longitudinal wave is this?
Rarefaction
26
The particles in a medium ____________________
to pass the waves energy along.
Bump into each other
27
What is the medium for the sound waves that come
from a musical instrument?
Air
28
TRUE or FALSEAlthough mechanical waves travel
through a medium, they do not carry the medium
with them.
True!
29
Which of these show ONE full wave?
One wave has one crest and one trough
30
What are the two types of waves?
Transverse Longitudinal
31
In a transverse wave, the matter in the wave
moves _____________________.
perpendicular to the wave's direction
32

• What is the speed of the wave below?

Wave speed wavelength x frequency
Wavelength 3 inches
Wave Speed 24 inches/second
Frequency 8 Hz. (8 waves pass every second)
33
How do you find the wavelength of a longitudinal
wave?
Measure from compression to compression or
rarefaction to rarefaction.
34
Transverse waves create points called _________
and __________ or high and low points in the
waves movement.
Crest Trough
35
What part of a wave do these arrows show?
Amplitude
Resting Position
36
What is an example of a longitudinal wave?
Sound
37
Which of these have a lower amplitude?
38
What is an example of a transverse wave?
the ocean
39
What is a vibration?
Up and down/ back and forth motion
40
Can the medium a wave passes through affect the
waves speed?
Yes!
41
What part of a wave are these arrows showing?
Wavelength
42
____________ waves are waves that need a medium
to travel through.
Mechanical
43
What is the frequency if six waves pass a point
every three seconds?
2 Hz.
44
What part of a longitudinal wave is shown?
45
Parts where the coils in a longitudinal waves are
spread out.
Rarefaction
46
Which has a higher frequency?
47
Parts where the coils in a longitudinal waves are
close together.
Compression