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Harmonic Motion Check-in

Total questions: 32

Worksheet time: 32mins

Name
Class
Date
1.
The high point of a wave.
a)
crest
b)
trough
c)
amplitude
d)
wavelength
2.
The low point of a wave.
a)
crest
b)
trough
c)
amplitude
d)
wavelength
3.
The distance from one point to the same point on the next wave.
a)
crest
b)
trough
c)
amplitude
d)
wavelength
4.
The maximum distance a medium vibrates from rest position is 
a)
Amplitude
b)
Frequency
c)
Wavelength
d)
Speed
5.

Which wave in the diagram has the longest wavelength?

a)

1

b)

2

c)

3

d)

4

6.
The frequency of a wave is measured in __________________. 
a)
inches
b)
hertz
c)
periods
d)
eras
7.
What number represents the amplitude?
a)
1
b)
2
c)
3
d)
4
8.

The amount of a cycle that occurs in one second is the

a)

frequency

b)

period

c)

longitudinal

d)

transverse wave

9.
What is the definition of harmonic motion?
a)
Something that repeats itself.
b)
The time it takes for one cycle to occur.
c)
How many cycles occur in one second.
d)
Distance to which a pendulum moves away from its resting point.
10.
What is the definition of period?
a)
Something that repeats itself.
b)
The time it takes for one cycle to occur.
c)
How many cycles occur in one second.
d)
Distance to which a pendulum moves away from its resting point.
11.
What is the definition of frequency?
a)
Something that repeats itself.
b)
The time it takes for one cycle to occur.
c)
How many cycles occur in one second.
d)
Distance to which a pendulum moves away from its resting point.
12.
What is the definition of amplitude?
a)
Something that repeats itself.
b)
The time it takes for one cycle to occur.
c)
How many cycles occur in one second.
d)
Distance to which a pendulum moves away from its resting point.
13.
Which of these is an example of harmonic motion?
a)
Swimming one length in a pool.
b)
Sprinting from HMS to YHS.
c)
The Earth going around the Sun.
d)
Drawing a line from the top of a piece of paper to the bottom.
14.
Every 5 seconds, a pendulum completes one cycle.  What is its period?
a)
.2s
b)
5 seconds
c)
There is not enough information to answer this question.
d)
20 seconds
15.
Every 5 seconds, a pendulum completes one cycle.  What is its frequency?
a)
.2hz
b)
5 hz
c)
There is not enough information to answer this question.
d)
20 hz
16.
A swing has a period of 15 seconds.  What is its frequency?
a)
.07 seconds
b)
.07 hz
c)
15 seconds
d)
15 hz
17.
A swing has a period of 15 seconds.  What is its period?
a)
.07 seconds
b)
.07 hz
c)
15 seconds
d)
15 hz
18.
A string vibrates at a frequency of 25 hz.  What is its period?
a)
.04 seconds
b)
.04 hz
c)
25 seconds
d)
25 hz
19.
An oscillator makes seven vibrations in one minute.  What is its frequency?
a)
.12 hz (vibrations/sec)
b)
.12 seconds
c)
7 minutes
d)
1 minute
20.
An oscillator makes seven vibrations in one minute.  What is its period?
a)
8.3 seconds
b)
.12 seconds
c)
There is not enough information given.
d)
1 minute
21.
You can change the period of a pendulum by changing the 
a)
mass.
b)
length of the string.
c)
trough.
d)
crest.
22.
The unit for frequency is
a)
seconds.
b)
seconds/cycle.
c)
hertz.
d)
damping.
23.

(Click all the correct answers.) You can change the period of a pendulum by changing the

a)

mass.

b)

length of the string.

c)

amplitude.

24.

What are the control variables?

a)

what we are changing or testing

b)

what we are observing or measuring

c)

what we keep the same to make the experiment fair

25.

Why do we want to test one variable at a time?

a)

Because it is hard to setup a data table with more

b)

To know what is causing the changes

c)

It is what has always been done

d)

No one really knows

26.

This variable is the one thing that changed on purpose...

a)

Dependent Variable

b)

Control

c)

Independent Variable

27.

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

a)

They type of pot you put the plants in.

b)

The amount you water each plant.

c)

The amount of sunlight the plants get.

d)

The amount the plant grows.

28.

A scientist is testing which flavor of ice cream melts the fastest. What would her controlled variables be? (choose ALL that apply)

a)

the flavor of ice cream

b)

the kind of cone the ice creams are in

c)

the place in the room where the ice cream is

d)

the size of the scoop

e)

the time it takes to melt

29.

The variable that is being tested, counted, or measured as to how it reacts to the variable you are changing is known as the

a)

Independent Variable

b)

Controlled Variable

c)

Dependent Variable

30.

How many independent variables are allowed to be changed in an experiment?

a)

1

b)

2

c)

as many as you want

d)

0

31.

What is the amplitude of this graph?

a)

30º

b)

30 cm

c)

60º

d)

60 cm

32.

What is the frequency for one cycle of this graph?

a)

.00167 sec.

b)

.00167 hz

c)

.1 sec.

d)

.1 hz

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