AnswersPhysical ScienceProperties of Light

Pretest Answers

10 verified answers
1
Free Preview

Which object absorbs the most visible light?

A
a black t-shirt
B
a white rock
C
a clear bowl
D
a red apple
2
Free Preview

Carla did an experiment by placing a piece of smooth, clear glass and a piece of smooth, black stone under a lamp for twenty minutes. Which prediction will most likely be supported by Carla’s experimental results?

A
The glass will feel warmer than the stone after twenty minutes.
B
The stone will reflect all of the light after twenty minutes.
C
The stone will feel warmer than the glass after twenty minutes.
D
The glass will reflect all of the light after twenty minutes.
4

What happens when light from the Sun passes through any type of matter?

A
The light slows down.
B
Most of the light is absorbed.
C
The light speeds up.
D
Most of the light is reflected.
5

Isaac Newton believed that light was made of

A
dust.
B
particles.
C
waves.
D
gravity.
6

Which example best illustrates that light behaves like particles?

A
Light travels in space at a speed of about 3.0 meters meters per second .
B
Light increases in speed as it moves through matter.
C
Light bounces off a white cement sidewalk.
D
Light bends as it strikes a window.
7

Which object is least likely to allow light to pass through it?

A
a car windshield
B
a clear water bottle
C
a tree trunk
D
a pair of eyeglasses
8

Which statement best explains a difference between the interaction of light with clear glass and the interaction of light with silver metal?

A
Most of the light passes through glass but none of the light passes through metal.
B
Light slows down when it interacts with glass but not when it interacts with metal.
C
Light slows down when it interacts with metal but not when it interacts with glass.
D
Most of the light is absorbed by glass but none of the light is absorbed by metal.
9

Which statement correctly compares the speed of light?

A
The speed of light in glass is slower than the speed of light through space.
B
The speed of light through space is much greater than 3 meters meters per second .
C
The speed of light in glass is faster than the speed of light through space.
D
The speed of light in glass is much greater than 3 meters meters per second .

Did you find these answers helpful?

Pretest Answers — Physical Science