# Light Test Review

## Quiz by Emily McGilvray

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14 questions
• Q1
Ella needs something that will completely block out the light from the flashlight. Which material can she use?
plastic wrap
wax paper
tissue paper
mirror
30s
• Q2
A student is investigating the refraction of light. Which object would help her perform her investigation because it refracts light the most?
brick
prism
mirror
window
30s
• Q3
Danielle has a splinter in her thumb, but she cannot see it. What should she use to find it?
microscope
eyeglasses
telescope
magnifying glass
30s
• Q4
Cheyenne's father wants to read the newspaper, but the print looks so small. What should he use to male the print appear larger?
binoculars
telescope
eyeglasses
microscope
30s
• Q5
Mary and Kat are using a flashlight and mirrors to study light. Mary uses mirrors to change the direction of the light beam. Kat is confused. She thought light always travels in a straight line. Which statement best describes what Kat is forgetting?
Only white light travels in a straight line.
Light travels unpredictably and it almost never travels in straight lines.
Light travels in a straight line in air but will travel in curvy lines through other mediums.
Light travels in a straight line until it strikes an object.
30s
• Q6
Which statement about the object is most likely to be true?
The object is the same medium as its surroundings because light can travel through it.
The object is a different medium from its surroundings because light bends when it enters and exits.
The object is opaque because light cannot travel through it.
The object is transparent because light can enter but not exit it.
30s
• Q7
What is the light most likely hitting?
an opaque object
a reflective surface
a translucent object
a transparent surface
30s
• Q8
Lebron is wearing a shirt that has the number 15 written on it. He looks in the mirror. Why does he see his 15 like this?
reflection
absorbtion
refraction
scattering
30s
• Q9
Object & Percentage of Light Passing Through U 15% V 90% W 50% X 95% Y 40% Z 5% Which of the following objects were most likely translucent?
U and Z
V and X
X and U
W and Y
30s
• Q10
What happens to light in an object that is translucent?
Light moves around the object instead of going through.
Light moves into the object and does not leave.
Light moves into the object and travels in a straight line.
Light moves into the object and becomes scattered.
30s
• Q11
What happens to light in an object that is opaque?
Light travels right through the object and is not scattered.
Light is not able to enter the object and will not shine through.
Light enters the object and is scattered in different directions
Light travels inside the object and remains trapped inside.
30s
• Q12
A greenhouse is a building that protects plants from the cold but allows them to still get sunshine. Which type of material would be the best choice for building a greenhouse?
a transparent material because it allows most of the light to shine through
a translucent material because it allows some of the light to shine through
a transparent material because it allows some of the light to shine through
a translucent material because it allows most of the light to shine through
30s
• Q13
Mark is told to find a transparent object in his refrigerator. Which object should he pick?
a clear plastic jug of iced tea
a stick of butter
a carton of eggs
a clear glass bottle of water
30s
• Q14
Joshua held a smooth piece of aluminum foil near his face and could see himself. Then, Joshua crumpled up the foil, opened it back up, and looked at the foil again. He could not see himself this time. Why was Joshua unable to see himself in the crumpled piece of foil?
The foil was uneven and trapped all of the light that traveled toward it.
The foil lost its thickness, and light was able to travel through it.
The foil absorbed the oils in Joshua's hand, and the oil caused light to stop at the foil.
The foil was uneven, and the light that hit it traveled in many different directions.
30s

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