Quiz about Science light review

Question 1

Which of the following is a source of light?

Accepted Answer

flashlight

Answer

book

Answer

chair

Answer

shoe

Question 2

Which of the following is a source of light in the night sky

Accepted Answer

stars

Answer

bat

Answer

moon

Answer

planets

Question 3

True or False: The moon is a source of light.

Accepted Answer

False

Answer

True

Question 4

What type of energy do solar panels use to produce electrical energy?

Accepted Answer

light

Answer

heat

Answer

mechanical

Answer

sound

Question 5

What would you use as a source of light in your home if your electricity is not working due to a storm?

Accepted Answer

candle

Answer

lamp

Answer

moon

Answer

tv

Question 6

The light from a flashlight leaves the light bulb and travels in a ________ line.

Accepted Answer

straight

Answer

bent

Answer

crooked

Answer

curvy

Question 7

In most cases, when light moves from one medium to another, it changes ________.

Accepted Answer

direction

Answer

size

Answer

color

Answer

shape

Question 8

What type of medium allows some of the light to pass through it?

Accepted Answer

translucent

Answer

opaque

Answer

transparent

Answer

Transport

Question 9

What natural phenomena can be used as evidence that light travels in a straight line?

Accepted Answer

shadows

Answer

rainbows

Answer

lightning

Answer

tides

Question 10

What type of reflection would you get from a smooth surface?

Accepted Answer

A clear, crisp reflection you can easily identify

Answer

A jagged reflection that looks slightly fuzzy

Answer

A reflection, but you likely cannot identify the object

Answer

A reflection that looks kind of blurry

Question 11

What type of reflection would you get from a rough surface?

Accepted Answer

A reflection, but it is hard to identify the object

Answer

A reflection that clearly shows an object

Answer

A clear reflection that you can easily identify

Answer

A perfect reflection that is like looking in a mirror

Question 12

Describe why we can see a reflection of the tree in the smooth surface of the lake.

Accepted Answer

All the light reflects back in the same direction.

Answer

Some of the light from the sun is absorbed.

Answer

All the light from the sun is absorbed.

Answer

All the light reflects back in different directions.

Question 13

Describe what happens when light is reflected.

Accepted Answer

The light travels in a straight line until it strikes an object, which causes it to bounce off and change direction.

Answer

The light travels in a curvy pattern until it strikes an object, scattering in all different directions.

Answer

The light travels in a straight line until it strikes an object, bending as it continues through it.

Answer

The light travels in a zigzag pattern until it strikes an object and is absorbed.

Question 14

What observation can you make about the light in this experiment?

Accepted Answer

The light rays are all reflected in the same direction off the smooth surface.

Answer

The light rays are all absorbed by the translucent smooth surface.

Answer

The light rays are all reflected in different directions off the smooth surface.

Answer

The light rays are all refracted by the transparent smooth surface.

Question 15

Describe what happens to light after it is refracted.

Accepted Answer

The light travels in a straight line until it changes medium, bending slightly but still traveling in a straight line.

Answer

The light travels in a straight line until it is absorbed by a different medium, bending slightly but still traveling in a straight line.

Answer

The light travels in a straight line until it is absorbed by an object, bending slightly and now traveling in a wavy line.

Answer

The light travels in a straight line until it changes medium, bending slightly and now traveling in a wavy line.

Question 16

How does a magnifying glass make an object look bigger and closer?

Accepted Answer

The magnifying glass is a different medium, so all the light passes through it.

Answer

The magnifying glass is a different medium, so it refracts the light.

Answer

The magnifying glass is opaque, so it absorbs all the light.

Answer

The magnifying glass is translucent, so it reflects the light.

Question 17

Why does light refract when it changes from one medium to another?

Accepted Answer

It changes direction

Answer

It changes color

Answer

It changes shape

Answer

It changes size

Question 18

Which object would absorb the least amount of light?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 19

Reflection and refraction are described below:

Reflection: Light bounces off a surface without being absorbed.

Refraction: Light changes direction as it goes through an object.

Which statement is true about reflection and refraction?

Accepted Answer

Both require contact with a surface.

Answer

Both require the absorption of light.

Answer

Only refraction involves a change of direction of light.

Answer

Only reflection involves the bending of light.

Question 20

A student made the following table to compare the different behaviors of light. What statement corrects the error in the table?

Accepted Answer

Refracted light changes direction as it goes through an object.

Answer

Refracted light bounces off a surface without being absorbed.

Answer

Reflected light changes direction as it goes through an object.

Answer

Reflected light bounces off black surfaces without being absorbed.

Question 21

What colors of light are reflected by a hat that is blue and red?

Accepted Answer

Red and blue

Answer

All colors but red and blue

Answer

Green and yellow

Answer

Orange and purple

Question 22

What colors are absorbed and reflected when light strikes a blue object?

Accepted Answer

Blue is reflected, and all other colors are absorbed.

Answer

All colors are reflected, and no colors are absorbed.

Answer

No colors are reflected, and all colors are absorbed.

Answer

Red is reflected, and all other colors are absorbed.

Question 23

A student set up two glasses as shown in the picture. The cups were placed under a light. Every ten minutes, the student reads the temperatures off the thermometers and records them in a table. What statement is correct about the results of the investigation?

Accepted Answer

The temperature in Cup 1 is higher because the black lid absorbs more light energy.

Answer

The temperature in Cup 1 is higher because the black lid reflects more light energy.

Answer

The temperature in Cup 2 is lower because the white lid refracts more light energy.

Answer

The temperature in Cup 2 is lower because the white lid absorbs all the light energy.

Question 24

If you want to stay warm on a sunny winter day, what color shirt should you wear?

Accepted Answer

A black shirt

Answer

A light yellow shirt

Answer

A pink shirt

Answer

A white shirt

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