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Waves and Energy

Total questions: 90

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

In the electromagnetic spectrum, which of the following is true of waves with long wavelengths? (SC.7.P.10.1)

a)

They have high frequencies.

b)

They have low frequencies.

c)

They have moderate frequencies.

d)

They have inconsistent frequencies.

2.

The electromagnetic spectrum is made up of bands of waves with different _____ (SC.8.E.5.11)

a)

Speeds

b)

Frequencies

c)

Reflections

d)

Mediums

3.

The diagram below shows the electromagnetic spectrum. Which letters represent radio and gamma waves? (SC.8.E.5.11)

a)

A, F

b)

F, C

c)

A, G

d)

C, G

4.

The diagram below shows the electromagnetic spectrum. Which letters represent radio and gamma waves? (SC.8.E.5.11)

a)

A, F

b)

F, C

c)

A, G

d)

C, G

5.

All of the waves listed below are a part of the electromagnetic spectrum except (SC.8.E.5.11)

a)

Sound Waves

b)

X Rays

c)

gamma rays

d)

light waves

6.

How is the light spectrum used in astronomy? (SC.8.E.5.11)

a)

To take pictures of deep space with telescopes.

b)

To identify elements of stars and galaxies.

c)

To calculate the rate at which other galaxies are moving either away from or toward us.

d)

All of the above.

7.

Which wave has a higher frequency? (SC.8.E.5.11)

a)

Wave N

b)

Wave O

c)

The waves have the same frequency.

8.

Use the image to answer the following question(s).


Light exits the prism in the diagram above and separates into different colors of the visible spectrum. These colors are different because they have different __________.

(SC.7.&P.10.1)

a)

densities

b)

reflections by the prism

c)

mixtures of white light

d)

wavelengths

9.
What does a wave carry?
a)
boats
b)
matter
c)
energy
d)
water
10.

Why can electromagnetic radiation travel through the vacuum of space?

a)

They require a medium.

b)

They do not require a medium.

11.

You can't hear sounds in outer space because there is no

a)

medium

b)

light

c)

energy

d)

heat

12.
Which travels faster, light or sound?
a)
light
b)
sound
13.

What is a wavelength?

a)

How many waves pass a certain point

b)

The distance from one wave crest to another

c)

The entire length of a wave

14.
When light hits the shirt in the picture, which color will bounce off?
a)
Blue
b)
Indigo
c)
Orange
d)
Violet
15.
When light hits a black object, like the one in the picture, what will happen to the different colors?
a)
All colors of light will bounce off
b)
All colors of light pass through it
c)
All colors of light will be absorbed
d)
None of the above
16.
What is the longest wavelength on the EMS (electromagnetic spectrum)?
a)
Radio Waves
b)
Micro Waves
c)
Gamma Rays
d)
X-Rays
17.
When light hits something like a raindrop or a prism, it will...
a)
Be absorbed
b)
Refract, or bend
c)
Neither 
18.

When light passes through a prism, why do you see different colors?

a)

Each color has a different wavelength, so they all bend at different angles

b)

Prisms absorb the white light and reflect the rainbow

c)
19.
What can electromagnetic waves travel through?
a)
mediums
b)
empty space
c)
solely solids
d)
both mediums and empty space
20.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
21.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
22.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
23.
Which of the following can sound travel through?
a)
solid
b)
liquid
c)
gas
d)
all of the above
24.
This is what you get when sound waves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
25.
The speed of a sound wave depends on
a)
the frequency
b)
the medium
c)
both air temperature and medium
d)
the air temperature
26.
Material (matter) through which a wave travels
a)
medium
b)
Doppler Effect
c)
sound
d)
pitch
27.
Why is the school library covered with carpet?
a)
So everyone can make a lot of noise
b)
to help absorb sounds to keep it quiet
c)
because it looks good
d)
to help absorb sounds so it can stay noisy
28.

What might happen to an object sitting on top of a speaker if loud music is played through the speaker?

a)

Absolutely nothing would happen to the object.

b)

The object could move due to the vibrations of the sound.

c)

The object could appear a different color because the sound is absorbed.

d)

The object could stop the sound from being transmitted out of the speaker because sound cannot travel through a solid.

29.

Which TWO of the following statements about sound are NOT true?

a)

Sound is produced through vibrations.

b)

Sound travels in waves.

c)

Sound can travel through outer space

d)

Sound waves can bounce off of objects to create an echo.

e)

Sound waves can only travel through the air.

30.

Sound waves can travel through all three states of matter. Which of the following best explains why sound travels most quickly through a solid?

a)

Solids always produce an echo, which makes the sound seem louder to the human ear.

b)

Only solids allow the vibrations to travel from one atom (particle) to another.

c)

In solids, the atoms (particles) are closest together, which allows the vibrations to travel rapidly from one to another through the object.

d)

Sound does not travel quickly through a solid. It travels most rapidly through a gas.

31.

Why can't sound travel through outer space?

a)

There is almost no matter in outer space, so the vibrations have no way to travel through the atmosphere. There is nothing to carry the sound waves through space.

b)

Sound actually travels very quickly through outer space because there is no matter to slow down the sound waves.

c)

There are too many planets and stars in outer space that absorb all of the sound waves, so they cannot travel to the human ear.

d)

Because outer space is a "vacuum," the vibrations are irregular and travel in too many directions for us to detect the sound.

32.
Wave with the longest wavelength
a)
microwave
b)
radio
c)
gamma
d)
visible light
33.
The EM wave with frequency higher than infrared and lower than UV.
a)
radio
b)
visible light
c)
xray
d)
gamma
34.
7 is 
a)
Radio
b)
UV
c)
Infrared
d)
Gamma
35.
When the wavelength increases the frequency will
a)
increase
b)
decrease
36.
EM waves  
a)
Must travel through a vacuum
b)
Can travel through a medium or a vacuum
c)
Are the same type of wave as mechanical waves
d)
Can only travel through a vacuum
37.
All EM waves travel at  
a)
different speeds
b)
the speed of sound
c)
the speed of light
d)
the speed of a vacuum
38.
Predict which EM wave could cause more damage 
a)
Radio wave
b)
UV wave
c)
X-ray
d)
Gamma ray
39.
Infrared rays are important for
a)
Warming the Earth
b)
Providing visible light for plants
c)
Taking X-rays
40.
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?
a)
A
b)
B
c)
C
d)
D
41.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
42.
What does the Law of Conservation of Energy state?
a)
Energy cannot be created or destroyed
b)
Nothing can exchange energy
c)
Energy will increase over time.
d)
Energy will decrease over time.
43.
Is energy always conserved?
a)
Always
b)
Often
c)
Never
d)
Sometimes
44.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
45.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
46.

Potential Energy is

a)

created and destroyed

b)

Stored Energy

c)

Vibrations in matter

d)

Energy stored in batteries

47.

Chemical energy is

a)

vibrations in matter

b)

Charged particles that follow a path

c)

Energy stored in compounds

d)

Energy stored in Batteries

48.

Kinetic Energy is

a)

Stored energy

b)

Energy of Motion

c)

vibrations in matter

d)

created and destroyed

49.

Light energy is

a)

Transferred by moving parts

b)

Different depending on distance

c)

Stored energy in compounds

d)

Electromagnetic Energy (travels as radiation)

50.

Heat energy is

a)

Energy of motion

b)

Transfer of molecular kinetic energy (Hot to Cold)

c)

vibrations in matter

d)

charged particles that follow a path

51.

Mechanical energy is

a)

vibrations in matter

b)

Energy stored in batteries

c)

Transferred by moving parts

d)

Transfer of molecular kinetic energy

52.

Sound energy is

a)

Transferred by moving parts

b)

Electromagnetic Energy travels as radiation

c)

Transfer of molecular kinetic energy

d)

Caused by vibrations in matter

53.

Electrical energy is

a)

Transferred by moving parts

b)

Charged particles that follow a path

c)

energy stored in batteries

d)

stored energy in compounds

54.

there is a boiling pot of water, what type of spoon/ladle would you use to NOT burn yourself?

a)

metal

b)

wood

c)

copper

d)

silver

55.

A bike is rusting in the rain, what energy is that?

a)

heat

b)

chemical

c)

kinetic

d)

potential

56.

In heat transfer, the heat__________

a)

Goes cold to hot

b)

goes hot to cold

c)

goes either way

d)

HeAt Is hEaT!

57.

The Sun transforms nuclear energy into _____ and _______ energy.

a)

heat/mechanical

b)

light/chemical

c)

kinetic/light

d)

light/heat

58.

It takes _______ energy to run

a)

chemical

b)

mechanical

c)

potential

d)

kinetic

59.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
60.
What type of heat transfer happens in liquids and gases?
a)
Conduction
b)
Convection
c)
Radiation
61.
Touching hot sand is.... 
a)
Conduction
b)
Convection
c)
Radiation 
62.
Hot air ______ while cool air ____
a)
Sinks, Rises
b)
Rises, Rises
c)
Rises, Sinks
d)
Convection, Radiation 
63.
Hot air rising from a campfire is...
a)
Conduction
b)
Convection
c)
Radiation 
64.
Temperature is the measurement of the average ________ energy of the molecules in an object
a)
Kinetic 
b)
Heat
c)
Motion
d)
None of the above
65.
When you touch a cold window, how is energy being transferred?
a)
The window transfers heat to you 
b)
You transfer heat to the window
c)
The sun transfers heat to you
d)
None of the above
66.
Ice melting in a cup is caused by....
a)
The ice is heated up by the drink
b)
Ice is cooling down the liquid
67.

How will heat flow?

a)

From A to B

b)

From B to A

c)

There is no heat flow.

68.

What causes hot and cold water to become the same temperature once they are combined?

a)

The heat moves from cooler temperature to warmer temperature.

b)

The energy of the hot water runs out.

c)

Heat (thermal) energy from the hot water is transferred to the cold water.

d)

Heat (thermal) energy causes the water to boil.

69.

What happens when the coffee and the cup are in thermal equilibrium?

a)

The temperature of the cup is increasing

b)

The temperature of the coffee is decreasing

c)

There is no net heat flow from the coffee to the cup

d)

There is a net flow from the coffee to the cup

70.

How does heat flow?

a)

object C to object D

b)

object D to object C

c)

heat does not flow between them

71.

What happens when object A touches object B?

a)

Heat flows from A to B, resulting in a temperature of 90 degrees.

b)

Heat flows from B to A, resulting in a temperature of 90 degrees.

c)

Heat flows from A to B, resulting in a temperature around 45 degrees.

d)

Heat flows from B to A, resulting in a temperature around 45 degrees.

72.

Two objects have different temperatures. Object A has a temperature of 42 degrees and Object B is 37 degrees. Which direction should the energy transfer between Objects A and B?

a)

From Object A to Object B, and the resulting temperature will be 42 degrees.

b)

From Object B to Object A, and the resulting temperature will be 37 degrees.

c)

From Object A to Object B, and the resulting temperature will be 40 degrees.

d)

From Object B to Object A, and the resulting temperature will be 40 degrees.

73.

You leave your cold spoon in a hot bowl of oatmeal. What happens after an hour?

a)

The temperature of both the oatmeal and the spoon stay the same

b)

The spoon and the oatmeal become the same temperature

c)

Only the temperature of the oatmeal will change

d)

Only the temperature of the spoon will change

74.

Johnny put ice in his water. Which idea do you think best explains why the water got cold?

a)

The coldness from the ice moved into the water

b)

The coldness and the heat moved back and forth until the water cooled off.

c)

The heat from the water moved into the ice.

d)

The water does not cool of

75.
After taking a hot shower, James steps out of the shower onto the tile floor. The tile felt cold to his feet. Which explanation below best describes James' experience?
a)
Heat from his feet is transferred to the tile floor
b)
Heat from the tile floor is transferred to his feet
c)
Cold from the tile floor is transferred to his feet
d)
Cold from his feet is transferred to the tile floor
76.

The diagram shows a metal sphere P at 80oC is immersed in a cooler liquid Q. Thermal equilibrium is reached when

a)

temperature of P = temperature of Q

b)

mass of Q displaced = mass of P

c)

volume of Q = volume of P

77.

A student placed a pencil in a cup of water. The pencil appears broken because light

a)

always travels in a straight line.

b)

bends when it passes through water.

c)

makes the water in the glass evaporate.

d)

reflects the pencil on the water's surface.

78.
We can see objects because of_______
a)
reflection
b)
refraction
c)
transmission
d)
diffraction
79.
Swimming pools and the ocean look shallower than they really are due to:
a)
reflection 
b)
dispersion
c)
refraction
d)
total internal reflection
80.
The bouncing of light is known as
a)
Mirror
b)
Refraction
c)
Index of refraction
d)
reflection
81.

What is the best explanation for Mickey seeing himself in the mirror?

a)

refraction

b)

absorbed

c)

reflection

d)

flipped

82.

What do we call a material that light can travel through?

a)

air

b)

water

c)

medium

d)

pathway

83.
a)
Reflection
b)
Refraction
84.
a)
Refraction
b)
Reflection
85.
Sound waves have the fastest speed when traveling through a ___.
a)
solid
b)
liquid
c)
gas
d)
tornado
86.
When scientists talk about white light, they areMOST likely referring to light that is
a)
a combination of all of the colors in the visible region of the electromagnetic spectrum.
b)
the unabsorbed refracted light produced by a black light.
c)
the narrow band corresponding to white light in the electromagnetic spectrum.
d)
a combination of all the types of electromagnetic radiation.
87.
Scientists use large optical telescopes to obtain information about the planets in the solar system. What wavelengths of electromagnetic radiation provide this information?
a)
gamma radiation
b)
infrared radiation
c)
radio waves
d)
visible light
88.
An echo is a sound wave that has been
a)
absorbed.
b)
refracted.
c)
scattered.
d)
reflected
89.
The MOST likely reason sound travels faster in salt water than in fresh water is that salt water
a)
is more elastic.
b)
absorbs heat faster.
c)
has a higher density.
d)
reflects sound better.
90.

Kim watched lightning strike and then heard thunder 10 seconds later. What would have happened if he were watching the storm on a warmer day?

a)

The thunder would have been heard before the lightning.

b)

There would have been no change.

c)

The thunder would be heard sooner.

d)

The thunder would be heard later.

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