WorksheetsLight and Sound
Total questions: 33
Worksheet time: 17mins
Look at the objects in the picture of the boy on the beach. Why are you able to see the sand?
The sand reflects light.
The sand absorbs light.
The sand emits light.
The sand refracts light.
A student did an investigation on light brightness. She measured the light intensity with a light meter at different distances from a flashlight.
What is the best claim she can make from the data in her investigation?
As the distance from the flashlight increases, the light intensity increases.
As the distance from the flashlight increases, the light intensity remains the same.
As the distance from the flashlight decreases, the light intensity increases.
As the distance from the flashlight decreases, the light intensity remains the same.
A group of students shined a red, blue and green light on a screen.
What is the best scientific argument to explain the white color in the middle?
White light contains red, blue and green light.
The paper behind the light absorbs white.
White light is reflected by the flashlights.
The paper absorbed the light from the flashlights.
A student observes two stars at night. Star A appears much brighter than star B.
What is the best claim she can make from the evidence she observed?
Star A gives off more light than star B.
Star A is closer than star B.
Star B is closer than star A.
Star A may give off more light or it may be closer.
The picture shows white light being shined through two glass prisms.
Which of the claims below is best supported by the evidence in the picture?
The glass contains different colors of light.
The glass changes the light into different forms of energy.
White light contains different colors of light.
White light changes into different forms of energy when it bends.
A student observed that light spreads out as it leaves a light source as shown in the picture.
Which of the following best explains what occurs because the light spreads out?
Light appears brighter closer to the source.
Light appears dimmer closer to the source.
There is more light as you get farther from the source.
There is less light as you get closer to the source.
Jim drew a diagram to help him model how he thought light allowed him to see that the apple is red.
Which of the following claims must be true for the apple to appear red?
The apple must absorb red light.
The apple must produce red light.
Sunlight must contain red light.
Sunlight must contain green light.
A student made observations of an unknown material. Below are the notes she wrote in her notebook from her observations.
The material was red. When I held it up to the window, I could see light through it. I could see things through it, but they looked blurry. It was two inches thick.
What can you conclude from the observations?
The material was translucent because it scattered the light.
The material was transparent because she could see through it.
The material was translucent because she could see through it clearly.
The material was transparent because it scattered light.
The diagram shows a person looking at the moon at night.
Why does he see a full moon?
The moon gives off light at night.
Sunlight is reflected by Earth.
Sunlight is reflected by the moon.
The moon’s light is absorbed by Earth.
Here is a picture of a group of students around a campfire.
Why are the students able to see the campfire?
The light is reflected off their faces.
The light is given off by the fire.
The light is absorbed by the logs.
The light is reflected off the fire.
Sarah took the picture of a rainbow below after a rainstorm.
What is the best claim she can make for the colors that appeared?
Sunlight contains different colors.
Rain contains different colors.
The sky is made up of different colors.
The sky absorbs many different colors.
Here is a model showing how a person sees a flower.
What is the source of the light the person sees when he sees the flower?
the flower
the sun
his eyes
his brain
Sally put her spoon in the glass of water shown here.
Which of the following best explains why the handle appeared broken?
The light was reflected off the spoon.
The light was refracted by the spoon.
The light was refracted by the water.
The light was reflected by the water.
A scientist measured the brightness of a light at several different distances from a light source. Here is the data he collected from his investigation.
Which of the following is the best claim the scientist can make from this data?
Light appears less bright when you are closer to the source.
Light appears brighter when you are closer to the source.
As distance increases light brightness increases.
As distance decreases light brightness decreases.
A student drew a model to show why a fish in water might appear to be in a different place than it actually is.
What property of light was he most likely modeling?
Reflection
Absorption
Refraction
Transparency
A student drew a model to help explain what happens when a person sees a red shirt.
Which of the following best explains the model?
Red light is reflected, and the other colors are absorbed.
Red light is absorbed, and the other colors are reflected.
White light is refracted, and red light is absorbed.
White light is absorbed, and red light is refracted.
A group of students did an investigation in which they shined light beams on four different objects. They made the following drawings to show what the light did when it hit the objects.
Which one of the objects is most likely transparent?
A
B
C
D
The model here shows what happens when red, blue, and green light strike a red opaque object.
Which of the following best explains what happens to the green light?
It is absorbed and changed to another form of energy.
It is absorbed and later reflected as blue light.
It is refracted as green light.
It is reflected as green light.
A student was asked to observe these objects.
Which of the following claims is best supported by the evidence?
The plastic in picture “A” is opaque because it is clear and blue.
The bowl in picture “B” is transparent because she could see clearly through it.
The cup in picture “C” is transparent because it is solid and pink.
The glass in picture “D” is translucent because she could see clearly through it.
A student investigated four samples of different unknown materials. Here are her observations.
Which material was most likely translucent?
Material A
Material B
Material C
Material D
A student set up an investigation to determine how the thickness of a string affects the vibration of the string when it is plucked. In his investigation he kept the tightness and length of the strings the same.
What is the most likely result of his investigation?
The thick string would make a louder sound.
The thin string would make a louder sound.
The thick string would vibrate faster.
The thin string would vibrate faster.
A group of students wanted to design a device that could communicate over a distance using sound. They knew that the volume of sound decreased as you moved farther away. They decided to build a drum to communicate by using the number of beats as a code.
Which of the following is the best idea for solving the problem of decreased volume at a distance?
Hit the drum with more force to make larger vibrations.
Hit the drum more quickly to make more vibrations.
Tighten the drum to make a higher pitch.
Use a smaller drumstick to make a higher pitch.
Students were asked to design a device that could communicate over a long distance using sound. What is the first thing they need to do as they plan their project?
Build a device to solve the problem.
Test different devices to see if they can solve the problem.
Identify the problems that need to be solved by the device.
Determine if your device will solve the problem.
Sally did an investigation to determine how the length affects the frequency of a vibrating string. She used strings with different lengths and measured the number of vibrations made by each string in one second. All other factors were the same with each string.
Her hypothesis was that a shorter string would have a higher pitch.
Here are the results of her investigation.
*Hz is the unit for the number of vibrations each second
Does the data support her hypothesis?
Yes, because the longer strings had more vibrations each second.
No, because the longer strings had fewer vibrations each second.
Yes, because the shorter strings had more vibrations each second.
No, because the shorter strings had more vibrations each second.
The diagram shows four glasses partially filled with water. When the glass is struck with a spoon the air column above the water vibrates.
Which one would most likely make the lowest pitch?
A
B
C
D
A group of students investigated how changes in the length of a string would affect the sound the string made. Here is the graph of their data.
What is the best claim they could make with this data?
Longer strings make a higher pitch sound.
Longer strings make a louder sound.
Shorter strings make a higher pitch sound.
Shorter strings make a louder sound.
The two people in the picture are trying to communicate at a distance. The person on the left is using a device to help him communicate.
What problem is he most likely trying to solve?
He is trying to make the pitch of the sound higher.
He is trying to make the sound louder.
He is trying to make the distance shorter.
He is trying to make the sound more distorted.
A student did an investigation to determine how changing the length of a tuning fork would affect the sound it made. He hit each tuning fork shown here with the same amount of force.
How would the sounds made by the tuning forks differ?
Tuning fork “A” would be louder.
Tuning fork “B” would be louder.
Tuning fork “A” would have a higher pitch.
Tuning fork “B” would have a higher pitch.
A student is asked to determine what variables affect the sound made when a rubber band is plucked as shown below.
What will most likely happen if he uses more force to pluck the rubber band?
The pitch of the sound will be higher.
The pitch of the sound will be lower.
The sound will be louder.
The sound will be softer.
A student did an investigation to determine how the thickness of a vibrating string affected the sound it made. The strings were identical except for the thickness. She plucked four different strings and measured the frequency of the sound each one made. The frequency is the number of vibrations the string makes each second.
Here are the results of her investigation.
*Hertz is the unit for frequency
Which string is most likely thinnest?
String 1
String 2
String 3
String 4
A student used a sound meter to measure the pitch and loudness of the sound made by 4 different rubber bands. Her data is shown here.
*Hz (Hertz) is the unit for vibrations each second
**dB (decibel) is the unit for sound loudness
Which of the following claims is best supported by the data?
String 3 is the shortest string.
More force is used to pluck string 3 than string 2.
String 1 is the thickest.
More force is used to pluck string 1 than string 2.
The girl is shown tuning her guitar. As she turns the tuning peg the string gets tighter.
How will the sound made by the string be affected by tightening it?
It will be louder.
It will be softer.
It will have a higher pitch.
It will have a lower pitch.
A group of students was asked to build a device to communicate over a distance. They found that the clarity of sound decreased as distance increased. They decided to build the device shown below to help solve that problem.
What is the best question for the group to ask after they test their device?
Did the device solve the problem of poor sound clarity?
Does the sound have a higher pitch when heard through the can?
Does the sound get louder when you listen through the can?
Did the device allow them to talk so nobody else could hear?
