WorksheetsLight and Sound Unit
Total questions: 30
Worksheet time: 30mins
What is the name of the group of colors of light into which the white light was separated?
Transparent
spectrum
radiation
prism
Which statement is true about light?
Light is a form of energy.
Light always converts into sound.
Light is the pull between objects.
Which color is found in the spectrum?
white
black
orange
brown
What happens when white light is made to pass through a prism?
white light is blocked inside the prism.
white light is reflected back by the prism.
white light separates into light of different colors.
white light comes out the prism with increased brightness.
Which statement is true about the brightness of light?
The brightness of light is related to the amount of light that is
absorbed
refracted
seen
unseen
Assuming the same light bulb is used at each location, which light bulb shines dimmest on the wall?
S
T
U
V
What would happen if Earth moved closer to the Sun?
The Sun would give off more light.
The Sun would give off less light.
The Sun would appear less bright.
The Sun would appear brighter.
A star appears very dim in the sky. What does that mean about the star?
It is close to Earth.
It is very far away from Earth.
It has been reflected by space.
It has been broken up by the atmosphere.
A student conducts an experiment to determine which type of light bulbs are the brightest. What should be done to make sure the experiment is fair?
Place the different types of light bulbs at different distances from a wall in a dark room.
Place the same types of light bulbs at different distances from a wall in a lit room.
Place the different types of light bulbs at the same distances from a wall in a dark room.
Place the same types of light bulbs in a dark room and in a lit room at the same distances from a wall.
Which object reflects light instead of giving off its own visible light?
candle
light bulb
moon
sun
Which object is paired correctly with the reason it is visible?
the Moon; source of light
the Sun; reflects light
a mirror; source of light
a ball; reflects light
Wanda bought a green coat. Which statement is true about her coat?
Wanda's coat is dispersing green light.
Wanda's coat is absorbing green light.
Wanda's coat is refracting green light.
Wanda's coat is reflecting green light.
Which is visible because it gives off its own light?
fire
mirror
moon
rainbow
What property of light allows a prism to separate white light into the different colors of the light spectrum?
absorption
brightness
energy
refraction
What happens to light in a periscope so that the student can see the car?
It reflects light.
It refracts light
It absorbs light
It magnifies light
Which object works BEST when reflecting light?
mirror
camera
binoculars
eyeglasses
Many leaves appear green because the leaves
resist green light
bend all colors except green
reflect green light
reflect all colors except green
A glass window of a car is made of ____________ material.
opaque
transitional
translucent
transparent
Which material would be the best choice if you want to allow some light pass through, but would also like some privacy?
opaque
rotational
translucent
transparent
Materials such as wood and metal do not let light travel through them. They are said to be made of _______________ material.
opaque
invisible
translucent
transparent
Roger is holding three materials in front of his face as shown.
Which material would be best to use for reading glasses?
opaque
translucent
transparent
none of the above
Look at the diagram. The bell makes a sound when it is hit by the clapper because the bell
rotates.
vibrates.
releases heat.
produces electricity.
The diagram shows the musical instrument panpipes.
Each pipe of the panpipes produces a different pitch of sound when air is blown into it. What is the correct order for the pitch of sound produced by each pipe starting with the lowest pitch?
A. 1, 2, 3, 4, 5
B. 2, 4, 1, 3, 5
C. 4, 5, 1, 2, 3
D. 5, 4, 3, 2, 1
Ryan makes a wind instrument from a drinking straw, as shown.
If he cuts the straw in half, what will happen to the pitch of the sound?
it gets higher
it gets lower
remains the same
no sound is produced
Which would affect pitch?
changing the time of a vibrating string
changing the length of a vibrating string
changing the temperature of a vibrating string
changing the volume of a vibrating string
Why might the bottom string on a guitar have a higher pitch than the top string?
The strings have the same thickness.
A. The bottom string is thicker.
The bottom string is thinner.
The bottom string does not vibrate.
How does tightening the wires of a guitar to tune the instrument change its vibration and pitch?
Tighter wires vibrate slower, making the pitch higher.
Tighter wires vibrate faster, making the pitch higher.
Tighter wires vibrate faster, making the pitch lower.
Tighter wires vibrate slower, making the pitch lower.
A musician bought new strings for a guitar. The thickness of each string influences its rate of vibration. How does the rate of vibration affect the sound of the guitar?
The rate of vibration allows sound to be reflected.
The rate of vibration affects the tuning of the guitar.
A different rate of vibration results in a different volume.
Changing the rate of vibration can vary the pitch of the sound.
Speaking tubes have been used on boats and in houses. A person speaks into one end of the speaking tube. Someone listens at the other end.
What design problem would speaking tubes best solve?
A. A person’s voice needs to be much softer.
A person needs to be heard by everyone in a large crowd.
A person needs to be heard by someone far away or in another room.
A person’s voice needs to be much louder.
Kristina wants to make the volume of her radio louder, but her volume control knob is broken. What is the best way to do this?
A. Move the radio further away
B. Move the radio closer
C. Change the station
D. Put in a CD
