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Through Waves Review

Total questions: 55

Worksheet time: 2hrs 8mins

Name
Class
Date
1.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

Speed = distance/time

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

2.

A reference point is

a)

the object that appears to stay in place.

b)

the number to the right of the decimal point.

c)

the object that appears to be in motion.

d)

is calculated by using speed, distance, and time.

3.

Match the graph to the description:

"The car is stopped."

a)
b)
c)
d)
4.

Match the graph to the description:

"The car is traveling at a constant speed."

a)
b)
c)
d)
5.

Distance -time graph

a)

No motion

b)

Constant speed slowing down

c)

The distance is between increasing and decreasing at a steady rate over time

d)

Constant speed increasing

6.
Electric charges that are different _______ each other.
a)
Attract
b)
Repel
7.
Ms Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?
a)
The balloons will repel each other.
b)
The balloons will attract each other.
c)
The balloons will become positively (+) charged.
d)
The balloons will pop.
8.

Michael tries to pick up a small bit of plastic wrap that is on his desk. Michael's hand has a negative charge. The piece

of plastic has a positive charge. What will happen when Michael's hand gets close to the plastic?

a)

The plastic will neither move towards or away from Michael's hand.

b)

The plastic will circle around Michael's hand.

c)

The plastic will move away from Michael's hand.

d)

The plastic will move towards Michael's hand.

9.
Bob made an electromagnet but it was very weak.  How can he make it stronger?
a)
take away a d-cell
b)
wrap the wire loosely
c)
use thicker wire
d)
use less winds
10.

When _______________ travels through a

conductor, a magnetic field is created

a)

current

b)

a magnetic field

c)

neutrons

11.

Arrows are close together on a force field when the force is

a)

stronger

b)

weaker

c)

opposite

12.

A force that can act at a distance is called

a)

non contact force

b)

friction

c)

balanced

13.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
14.
As distance between objects increases the pull of gravity...
a)
increases 
b)
decreases 
c)
Stays the same 
15.
A force of attraction between 2 object that is directly related to mass and indirectly related to distance.
a)
mass
b)
weight
c)
gravity
d)
kilogram
16.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
17.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
18.

This object would be moving (pick all that are correct):

a)

up

b)

down

c)

left

d)

right

19.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

20.
a)
1st
b)
2nd
c)
3rd
d)
law of motion
21.

Which is newtons first law states

a)

An object at rest will remain at rest unless a force is applied

b)

An object is moving

c)

An object has stopped

d)

An moving object will keep going when a force is applied to it

22.
a)

1

b)

2

c)

3

d)

All of the above

23.
Will it take more force to push an empty shopping cart or a shopping cart that is full?
a)
The empty shopping cart
b)
The full shopping cart
c)
They will take the same amount of force
24.

A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s2?

Force = mass x acceleration

a)

30 N

b)

3.34 N

c)

0.3 N

d)

13 N

25.
What would happen if I move a bar magnet in and out of a coil of copper wire?
a)
Electric current would disappear 
b)
The magnet would explode 
c)
Electric current will flow through the wire
d)
It would produce a gravitational field
26.

Which activity will produce the highest current?

a)

Move the magnet bar into the coil while the coil remains stationery

b)

Move the coil into the magnet bar while the magnet remains stationery

c)

Move the coil and magnet towards each other

d)

Move the coil and magnet away from each other

27.
How could the experimenter increase the amount of electricity being induced by this experiment?
a)
Increase the number of coils
b)
Decrease the number of coils
c)
Flip the magnet around
d)
Nothing, the amount of electricity cannot be increased
28.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
29.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
30.
A deer running 15 meters per second due west.Vector or scalar?
a)
Scalar
b)
Vector
31.
A quantity that has both magnitude and direction is called a scalar quantity.
a)
True
b)
False
32.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
33.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast 
34.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
35.
Area of a longitudinal wave where particles are CLOSE together.
a)
Compression
b)
Rarefaction
36.
The reflection of sound waves off of a hard surface can create ______.
a)
A wave
b)
An echo 
37.
_______ is how high or low we listen/perceive  a sound. 
a)
Pitch
b)
Frequency
c)
Amplitude
d)
I don't know
38.
Sound waves are what kind of wave?
a)
Longitudinal
b)
Transverse
c)
Surface
d)
Electromagnetic
39.
What happens when you increase the amplitude of a sound?
a)
it makes the sound louder
b)
it makes the sound travel faster
c)
it increases the wavelength of the sound
d)
it increases the frequency of the sound
40.

What kind of wave is light?

a)

longitudinal waves

b)

transverse waves

c)

medium-sized waves

d)

electromagnetic

41.

What unit is used to measure frequency?

a)

centimeters (cm)

b)

meters (m)

c)

hertz (Hz)

d)

miles per hour

42.
This is an example of which type of wave behavior?
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Interference
43.
This is an example of which type of wave behavior?
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Interference
44.
This is an example of which type of wave behavior?
a)
Reflection
b)
Diffraction
c)
Constructive Interference
d)
Destructive Interference
45.
This is an example of which type of wave behavior?
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Interference
46.
What kind of wave is pictured below?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
47.
What is the number of waves that pass a point in one second?
a)
Amplitude
b)
Frequency
c)
Period
d)
Wavelength
48.
True or false: as you move along the spectrum, radio to gamma waves, the wavelengths decrease in size (get smaller)
a)
true
b)
false
49.
Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
50.

Which of the following has the most energy?

a)

Red

b)

Blue

c)

Green

d)

Yellow

51.

Why does light refract?

a)

speeds up

b)

gets hot

c)

slows down

d)

gains energy

52.
Which of the following types of radiation has the shortest wavelength and the highest frequency?
a)
Radio Waves
b)
Infrared
c)
Visible
d)
X-Rays
53.
Long sound waves are...
a)
high pitched
b)
low pitched
c)
medium pitched
54.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down). 
c)
Moving to the West (left). 
d)
Moving to the East (right). 
55.
What do the light waves of a galaxy that is moving AWAY from us look like?
a)
red shifted
b)
blue shifted
c)
green shifted
d)
yellow shifted

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