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sound and light magnetism and sources of energy

Total questions: 112

Worksheet time: 5hrs 31mins

Name
Class
Date
1.

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

2.

Sound travels as a ___________ wave. 

a)

longitudinal

b)

transverse

c)

water

d)

slinky

3.

If you see an object as orange,

a)

it is absorbing orange light and reflecting all other colors. 

b)

it is reflecting all colors. 

c)

it is absorbing all colors. 

d)

it is reflecting orange light and absorbing all other colors. 

4.

How loud or soft people hear a sound is related to the _________ of the sound wave.

a)

amplitude

b)

longitude

c)

echo

d)

lens

5.

Sound intensity is measured in units called ________ named after Alexander Graham Bell.

a)

tones

b)

hertz

c)

amplitudes

d)

decibels

6.

Which waves have the greatest amount of energy?

a)

gamma waves

b)

radio waves

c)

x-rays

d)

infrared light

7.

The wave of energy we can see is ___________

a)

visible light

b)

radio waves

c)

microwaves

d)

x-rays

8.

Between waves B and D, which is louder?

a)

Wave B

b)

Wave D

9.

What is the phenomenon called when light changes direction as it passes from one medium to another?

a)

Reflection

b)

Refraction

c)

Diffraction

d)

Dispersion

10.

Which of the following is a characteristic of sound waves?

a)

They can travel through a vacuum

b)

They are transverse waves

c)

They require a medium to travel

d)

They are electromagnetic waves

11.

What is the speed of light in a vacuum?

a)

3×1083 \times 10^8 m/s

b)

1.5×1081.5 \times 10^8 m/s

c)

2.5×1082.5 \times 10^8 m/s

d)

3.5×1083.5 \times 10^8 m/s

12.

White light will refract into colors of the rainbow when it interacts with a:

a)

Prism

b)

Block of wood

c)

Mirror

d)

Metal table

13.

What is the measure of how many waves pass a point in a certain amount of time?

a)

frequency

b)

wavelength

c)

midpoint

d)

crest and trough

14.

The action of a wave bouncing off a surface is called __________________.

a)

rarefaction

b)

refraction

c)

reflection

d)

diffraction

15.

A _____________________ is the distance between a point on one wave and the identical point of the next wave.

a)

amplitude

b)

wavelength

c)

frequency

d)

compression

16.

When the frequency of a wave increases, what happens to the wavelength?

a)

The wavelength is not directly affected by the frequency of a wave.

b)

The wavelength increases.

c)

The wavelength decreases.

d)

More specific information is needed to form a conclusion about the wavelength.

17.

Wave frequency is measured in the unit of 

a)

hertz.

b)

pings.

c)

clicks.

d)

tones.

18.

The bouncing back of a light ray after hitting a surface is known as...

a)

diffraction

b)

refraction

c)

rebounding

d)

reflection

19.

What is the correct order of the visible light spectrum?

a)

Red, yellow, orange, blue, violet, indigo

b)

Violet, purple, indigo, blue, green, yellow, orange

c)

Green, yellow, blue, indigo, red, orange,

d)

Red, orange, yellow, green, blue, indigo, violet

20.

What wave has the longest wavelength and lowest energy?

a)

Gamma rays

b)

Infrared

c)

Radio

d)

Visible light

21.

Does this wave have a high frequency or low frequency?

a)

High

b)

Low

22.

Sound is caused by? 

a)

force

b)

vibrations

c)

instruments

d)

medium

23.

Which of the following phenomena explains why the sky appears blue?

a)

Reflection of light

b)

Refraction of light

c)

Scattering of light

d)

Diffraction of light

24.

What is the speed of sound in air at room temperature (approximately 20°C)?

a)

343 m/s

b)

299,792 km/s

c)

1,500 m/s

d)

120 m/s

25.

Which part of the electromagnetic spectrum has the shortest wavelength?

a)

Infrared

b)

Ultraviolet

c)

Visible light

d)

Radio waves

26.
Refraction occurs when _____________
a)
the wave's speed changes by entering a new medium
b)
a wave bounces off of a boundary
c)
waves parts meet each other
d)
waves bend around a barrier
27.

Which letter is an example of reflection?

a)

A

b)

B

c)

C

28.

The angle produced as a source of light bounces off a smooth surface is called ______.

a)
angle of crookedness
b)
angle of reflection
c)
angle of incidence
d)
angle of bounce
29.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
30.
A cut piece of clear glass or plastic in the form of a triangle or other geometric shape.
a)
Person
b)
Prison
c)
Prism
d)
Preacher
31.

Which type of behavior does light display when striking a transparent object?

a)

scattering

b)

reflection

c)

transmission

d)

absorption

32.

What type of behavior does light display when striking an opaque object?

a)

scattering

b)

transmission

c)

refraction

d)

absorption

33.

What type of behavior is represented by this diagram?

a)

reflection

b)

refraction

c)

scattering

d)

absorption

34.

What behavior does this diagram represent?

a)

reflection

b)

scattering

c)

absorption

d)

transmission

35.

The pitch of a sound corresponds to the

a)

amplitude

b)

frequency

c)

crest

36.

When you yell in a canyon, you hear an echo of your voice. Why is this?

a)

The sound waves are absorbed by the walls of the mountains.

b)

The sound waves are reflected by the walls of the mountians.

c)

The sound waves are transmitted through the walls of the mountains.

37.

Electromagnetic waves ________ a medium to travel through, while mechanical waves ___________ a medium.

a)

do not need/need

b)

need/do not need

38.

Why do diamonds look so shiny?

a)

They absorb light waves.

b)

The reflect light waves.

c)

Light is refracted as it passes through.

39.

What kind of wave is this?

a)

transverse

b)

longitudinal

c)

electromagnetic

40.

Which is not a property of waves?

a)

Amplitude

b)

Mass

c)

Frequency

d)

Wavelength

41.

The amplitude of a wave is _____.

a)

the distance the wave moves in one second

b)

the distance the wave moves in one time period of the wave

c)

the maximum distance that the wave moves from its resting position

d)

the distance equal to one wave length

42.

A ____________________ is a disturbance that transfers energy from one place to another without transferring matter.

a)

wave

b)

trough

c)

compression

d)

rarefaction

43.

What will happen if the north pole and the south pole of a magnet are near each other?

a)

They will repel

b)

They will attract

c)

Nothing will happen

44.

Where is the magnetic force the strongest around a magnet?

a)

middle of the magnet

b)

poles of the magnet

c)

the whole piece of magnet

d)

none of the above

45.

What type of circuit works best for the lights in your house? Why?

a)

A series circuit, they are simple, only one loop of wire

b)

A parallel circuit, if one bulb breaks the others keep working

c)

Any type of circuit works very well

d)

None of the above

46.

What is the voltage of a circuit?

a)

the flow of electrons around a circuit

b)

the amount of energy generated and passed around a circuit.

c)

The energy/electricity user

47.

What does the resistor do in a circuit?

a)

controls the current of the circuit by making electricity harder to flow.

b)

controls how much energy is generated from the battery.

c)

none of the above

48.

Choose a material that is an insulator of electricity.

a)

water

b)

copper

c)

wood

d)

aluminium

49.

What causes static electricity?

a)

When you have too many neutrons in an atom

b)

Rubbing or friction

c)

When protons leave your atoms and join onto other ones.

d)

none of the above

50.

Atoms that have a positive charge will be ATTRACTED to atoms with a ___________ charge.

a)

positive

b)

negative

c)

neutral

51.

Which of these forces works only by combining electric and magnetic forces?

a)

Magnetic

b)

Electric

c)

Electromagnetism

52.

This force occurs when ions/atoms create attractive and repulsive forces.

a)

Magnetic

b)

Electric

c)

Electromagnetism

53.

This force occurs when there is an attractive and repulsive force between two poles.

a)

Magnetic

b)

Electric

c)

Electromagnetism

54.

Electric charges that DO NOT move through a current are known as

a)

Magnetic

b)

Electric

c)

Electromagnetism

d)

Static Electricity

55.

What makes an electromagnet stronger?

a)

greater number of loops

b)

smaller number of loops

c)

decreasing the current

d)

decreasing the voltage

56.

An example of an electromagnet

a)

water bottle

b)

paper

c)

motor

d)

glass

57.

current flowing through a wire is surrounded by a/an

a)

force field

b)

magnetic force

c)

nothing

58.

two type of charges in electric and magnetic forces are

a)

north and south

b)

east and west

c)

positive and negative

d)

beyonce

59.

when electrons all spin in the same direction, they create an invisible force known as

a)

electricity

b)

magnetism

c)

motor

d)

electrons

60.

this force is the attractive and repulsive force between two poles.

a)

electric

b)

magnetic

c)

electromagnetic

61.

this force occurs when ions/atoms create attractive and repulsive forces.

a)

electric

b)

magnetic

c)

electromagnetic

62.

When your hair stands on end, each strand repelling the other, you are experiencing

a)

magnetism

b)

ghosts

c)

static electricity

63.

Which of the following is flowing through the electromagnet above?

a)

electric current

b)

magnetic current

c)

magnetic energy

d)

chemical energy

64.

In order for the electromagnet above to lose its magnetism, which of the following must occur?

a)

The wire of the circuit must be tightened.

b)

The battery in the circuit must be switched for a different brand.

c)

The electric current must stop flowing in the circuit.

d)

No circuit is present.

65.

What energy transformation occurs in this device?

a)

electrical energy to mechanical energy

b)

chemical energy to mechanical energy

c)

mechanical energy to chemical energy

d)

mechanical energy to electrical energy

66.

How is the device above different from an electric motor?

a)

Electric motors turn mechanical energy into electrical energy.

b)

Electric motors turn electrical energy into mechanical energy.

c)

Electric motors turn chemical energy into mechanical energy.

d)

Electric motors turn mechanical energy into chemical energy.

67.

The material in a light bulb (usually a thin wire) that glows when heated by an electric current.

a)

Bulb

b)

Filament

c)

Flicker

d)

Fillers

68.

A series of loops that has been wound or gathered

a)

Strings

b)

Roller Coaster

c)

Copper

d)

Coils

69.

A source of electricity with more than one cell.

a)

Magnet

b)

Circuit

c)

Battery

d)

D-Cell

70.
The relationship between electricity and magnetism is called..................
a)
electrical energy
b)
induced current
c)
electromagetism
d)
ferromagnetic
71.
Electrical energy is transformed into mechanical energy in a................
a)
electric motor
b)
solenoid
c)
electromagnet
d)
transformer
72.
The unit for resistance is the 
a)
ohm
b)
amp
c)
volt
d)
cenitmeter
73.
The unit of measure for voltage is the 
a)
Volt
b)
Amp
c)
Ohm
74.
An example of an insulator is
a)
rubber
b)
copper
c)
silver
d)
iron
75.
Materials through which charge can flow easily are called
a)
insulators
b)
resistors
c)
conductors
d)
magnets
76.
A complete, unbroken path through which electric charges can flow is a(n)
a)
electric circuit
b)
electrical resistance
c)
magnetic field line
d)
magnetic pole
77.
According to Ohm’s law, resistance is equal to voltage divided by
a)
time
b)
conduction
c)
current
d)
potential
78.
The buildup of charges on an object is called
a)
static discharge
b)
positive charge
c)
static electricity
d)
negative charge
79.

What do you call an energy converting system that transforms electrical energy into mechanical movement?

a)

Electric motor

b)

Electric field

c)

Electric generator

d)

Electric plasma

80.
Generators are devices that convert _____ energy into _____ energy.
a)
chemical; mechanical
b)
mechanical; electrical
c)
electrical; mechanical
d)
potential; kinetic
81.
What can you use to make an electromagnet?
a)
Battery, nail and string 
b)
Battery, pencil and wire
c)
Wire, battery and iron ore (nail)
d)
Peanut butter, lampshade, hand sanitizer
82.

Which equation can be used to calculate the resistance R of a resistor?

a)

V = I / R

b)

I = V x R

c)

R = V x I

d)

V = I x R

83.

What is the voltage in an electric circuit?

a)

The power of the electrons

b)

The charge of the electrons

c)

The energy of the electrons

84.

A student uses a length of wire as a resistor. He makes a second resistor from the same material.

To be certain of making a second resistor of higher resistance, he should use a piece of wire that is:

a)

longer and thicker.

b)

longer and thinner.

c)

shorter and thicker.

d)

shorter and thinner.

85.

A propeller-like piece that turns a metal shaft in an electric generator is called a:

a)

Shaft

b)

Turbine

c)

Reservoir

d)

Generator

86.

Oil, coal, and natural gas are all forms of:

a)

Fossil Energy

b)

Nuclear Energy

c)

Renewable Energy

d)

Geothermal Power

87.

Hydropower and solar, geothermal, tidal, and wind energy are all forms of:

a)

Nuclear Energy

b)

Fossil Energy

c)

Renewable Energy

d)

Global Warming

88.

______ _____ use the stored chemical energy of ancient fossilized organisms that turn into oil, coal, and natural gas after millions of years of heat and pressure.

a)

Nuclear Power

b)

Solar Power

c)

Geothermal Power

d)

Fossil Fuels

89.

An increase in the overall temperature of the Earth's atmosphere partially due to manmade causes is called:

a)

Fossil Fuels

b)

Nuclear Power

c)

Global Warming

d)

Geothermal Power

90.

_______ _____ uses the energy contained in the nuclei of enriched uranium.

a)

Nuclear Power

b)

Fossil Fuels

c)

Geothermal Power

d)

Biomass Power

91.

Fossil Fuels are considered ____________ _________ which means that sooner or later, fossil fuels will run out.

a)

Renewable Resources

b)

Nonrenewable Resources

92.

A resource that can be replenished is known as a:

a)

Renewable Resource

b)

Nonrenewable

Resource

93.

Running water from a river piles up high behind a dam, is let out (thanks to gravity) in a controlled stream, and the kinetic energy from the flowing water turns a turbine, which generates electrical energy. This is an example of what?

a)

Tidal Power

b)

Solar Power

c)

Hydroelectricity

d)

Geothermal Power

94.

_____ _____ captures the energy from the sun's radiation.

a)

Solar Power

b)

Hydroelectricity

c)

Wind Power

d)

Biomass Power

95.

The following diagram is an example of what type of energy?

a)

Hydroelectricity

b)

Solar Power

c)

Geothermal Power

d)

Tidal Power

96.

The kinetic energy of wind is used to turn wind turbines, which generates electricity. This is known as:

a)

Biomass Power

b)

Tidal Power

c)

Wind Power

d)

Geothermal Power

97.

_______ _____ uses the stored chemical energy of living things.

(plants, wood, and waste are the most common sources)

a)

Wind Power

b)

Biomass Power

c)

Wind Power

d)

Tidal Power

98.

What is used to describe a resource that can be replenished naturally over time?

a)

Energy Resources

b)

Nonrenewable Resources

c)

Fossil Fuels

d)

Renewable Resources

99.

What is the renewable source that produces energy from the sun?

a)

Hydroelectric

b)

Solar

c)

Biomass

d)

Geothermal

100.

What is the renewable source that produces energy from the movement of flowing water?

a)

Hydroelectric

b)

Solar

c)

Geothermal

d)

Biomass

101.

What energy resource produces energy from recently living organisms such as leaves or plants? These materials can be burned to release energy.

a)

Geothermal

b)

Solar

c)

Biomass

d)

Hydroelectric

102.

What conversion of energy takes place in a generator for a hydroelectric dam or wind turbine?

a)

Mechanical --> Sound

b)

Electrical --> Mechanical

c)

Electrical --> Sound

d)

Mechanical --> Electrical

103.

What is the renewable source of energy that comes from extreme heat within the Earth?

a)

Solar

b)

Hydroelectric

c)

Geothermal

d)

Biomass

104.

Batteries store energy as ____________ energy.

a)

motion

b)

solar

c)

chemical

d)

electrical

105.

What form of energy does the singing fish from the video use?

a)

sound

b)

motion

c)

electrical

d)

chemical

106.

The electrical outlet in your home is connected to which of these?

a)

a gas station

b)

the sun

c)

a dam

d)

a power plant

107.

________ energy always moves from hotter objects to cooler objects.

a)

Chemical

b)

Electrical

c)

Mechanical

d)

Radiant

e)

Thermal (heat)

108.

It is a liquid fossil fuel, used to produce gasoline.

a)

coal

b)

natural gas

c)

oil

109.

It is electricity produced from hydropower.

a)

geothermal energy

b)

hydroelectric energy

c)

tidal energy

110.

Plant or animal material used for energy production, or in various industrial processes as raw substance for a range of products.

a)

geothermal energy

b)

biomass

c)

fossil fuel

111.

Renewable energy in the movement of that much water.

a)

tidal energy

b)

geothermal energy

c)

hydroelectric energy

112.

Name two disadvantages to using fossil fuels.

a)

pollution and non-renewable

b)

renewable and clean energy

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