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Light and Sound Energy

Total questions: 49

Worksheet time: 2hrs 53mins

Name
Class
Date
1.

What acronym helps you remember the colors of the rainbow?

a)

YOGOWYPI

b)

ROYGBIV

c)

ABCDEFG

d)

MRSJOHNSONISAWESOME

2.

Light always travels in a...

a)

Curved line

b)

Zig Zag line

c)

Up and down

d)

Straight line

3.

Materials that do not let any light pass through them

a)

opaque

b)

translucent

c)

transparent

d)

reflection

4.

Materials that let some light rays pass through but scatter some of the other rays

a)

translucent

b)

transparent

c)

opaque

d)

wood

5.

Which object would most likely reflect light?

a)

carpet

b)

paper

c)

aluminum foil

d)

plastic bag

6.

Light rays refract in a glass of water because ____________.

a)

light moves at different speeds through different materials

b)

light bounces off a smooth surface at the same angle at which it strikes it.

c)

light moves inn a curved path.

d)

the light moves the water from side to side.

7.
When a sound wave hits the eardrum, what happens to the eardrum to allow the transmission of the sound to the inner ear?
a)
it vibrates 
b)
it ruptures
c)
it fills with liquid
d)
`it remains motionless
8.
Sound travels fastest through a 
a)
vacuum
b)
gas
c)
solid
d)
liquid
9.
What is vibration?
a)
how loud a sound is
b)
the back and forth movement of matter
c)
how high or low a sound is
d)
the loudness or softness of a sound
10.
Sound is a form of? 
a)
energy
b)
pitch
c)
volume
11.
Why do we not hear sound in outer space?
a)
there is no one out there to hear it.
b)
it is so cold
c)
it is a vacuum or empty space so there is not a medium for sound to travel
d)
there are too many stars that are exploding
12.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
13.
When light bounces off a smooth, shiny surface, what process has occurred?
a)
refraction
b)
reflection
c)
transmission
d)
photosynthesis
14.
Sophia shouts in the school courtyard and hears an echo.  What is causing the echo?
a)
sound is absorbed by the surface
b)
sound is reflected off the surface
c)
the pitch of her voice increased
d)
the volume of her voice increased
15.
The sound that a person hears from a drum is produced by
a)
echoes
b)
reflections
c)
pulses
d)
vibrations
16.
The picture shows a study that Isaac Newton made with a prism to produce a spectrum. Newton's discovery led most directly to an understanding of the cause of —
a)
x-rays
b)
sunspots
c)
rainbows
d)
starlight
17.
What do light and sound have in common?
a)
They both need a medium in order to travel.
b)
They both can be seen.
c)
They are both forms of energy.
d)
They both travel through outer space.
18.
What happens when light hits a transparent object?
a)
All of the light passes through.
b)
None of the light passes through
c)
Some of the light passes through and some is reflected.
19.
What happens when light strikes an opaque object?
a)
All of the light passes through the object.
b)
All of the light is reflected through the object.
c)
None of the light is passed through the object.
20.
Which is an opaque object?
a)
window
b)
dog
c)
diamond
21.
Which object is transparent?
a)
wax paper
b)
window
c)
diamond ring
22.
You see yourself in a mirror because light waves are
a)
diffracted
b)
reflected back at you
c)
refracted to a focal point
23.
The law of reflection states that light is reflected off a surface at the same angle it hits the surface. The angle that leaves the surface is called the angle of ...
a)
refraction
b)
reflection
c)
absorption
24.
The bending of light as it passes from one material to another is called___________. An example is when light passes from air to the glass of water.
a)
Absorption
b)
Refraction
c)
Reflection
25.

The main source of light is

a)

the sun

b)

the moon

c)

the stars

d)

Jupiter

26.

Light changes speed depending on what medium it travels through. What does medium mean?

a)

water

b)

radiation

c)

spectrum

d)

substance

27.

When light is refracted, it means it _________.

a)

stops

b)

bends

c)

fades

d)

makes sound

28.

All of the following are sources of light except...

a)

the sun

b)

a light bulb

c)

fire

d)

the moon

29.

A microscope makes objects under it appear bigger because the lens...

a)

bends the light passing through it.

b)

increases the strength of the light.

c)

decreases the light passing through it.

d)

changes the color of the light passing through it.

30.
The distance between a point on one wave and a similar point on the next wave
a)
frequency
b)
pitch
c)
wavelength
d)
compression
31.
Longitudinal waves are
a)
light waves
b)
sound waves
c)
ocean waves
d)
radio waves
32.
The lowest part of the wave is called the ?
a)
frequency
b)
crest
c)
amplitude
d)
trough
33.
The highest point of a wave is called the ?
a)
crest
b)
trough
c)
wavelength
d)
frequency
34.
a)
reflection
b)
refraction
35.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
36.

Which form of energy travels in waves?

a)

light energy

b)

sound energy

c)

both light and sound energy

d)

no form of energy travels in waves

37.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
38.
A hairdryer converts -- 
a)
electrical energy into chemical
b)
electrical energy into thermal
c)
chemical energy into mechanical
d)
thermal energy into mechanical
39.

What type of energy is stored in batteries or food?

a)

Potential energy

b)

Thermal energy

c)

Chemical energy

d)

Mechanical energy

40.

Energy that transfers heat is?

a)

Thermal energy

b)

Potential energy

c)

Mechanical energy

d)

Kinetic energy

41.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
42.
What is energy changing from one form to another?
a)
energy conservation
b)
energy transformation
c)
energy creation
d)
mechanical energy
43.
Solar Energy is transferred to _____ Energy.
a)
Mechanical
b)
Solar
c)
Sound
d)
Electrical
44.
Which items would have this energy transformation: chemical energy -> mechanical energy?
a)
person running
b)
candle burning
c)
windmill turning
d)
playing a violin
45.
Which items would have this energy transformation: kinetic energy -> sound energy?
a)
turning on a flashlight
b)
nuclear power plant
c)
windmill turning
d)
playing a violin
46.
Which items would have this energy transformation: electrical energy -> thermal energy?
a)
turning on a flashlight
b)
person running
c)
iron for your clothes
d)
candle burning
47.
Some students observing a classroom device being used, noticed the below energy transformations. 
Electrical → Mechanical → Sound
Which device were the students most likely observing?
a)
A triple beam balance measuring an object’s mass.
b)
A pencil sharpener plugged into a wall outlet.
c)
A projector displaying a diagram on the screen.
d)
A working flashlight used to light up a dark corner.
48.
Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?
a)
chemical → light → electrical
b)
electrical → light → chemical
c)
light → electrical → chemical
d)
chemical → electrical → light
49.
The Theory of the Conservation of Energy states -
a)
Energy can be created, just not destroyed. It changes its form from one type to another.
b)
Energy can never be created nor destroyed. It can only change its form from one type to another.
c)
The total energy in our Universe changes, as different forms of energies can be transformed from each other under certain circumstances.
d)
Energy transformations do not passively occur in our lives, rather we actively make use of energies and transform energies.

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