Question 1

What evidence supports the idea that the light we see from stars takes hundreds of years to reach us?

Accepted Answer

The stars are far away

Answer

Light is slowed down by gases in outer space

Answer

The stars are massive Light is reflected off other stars

Answer

Light is reflected off other stars

Question 2

Which description applies to light?

Accepted Answer

All of the above

Answer

Behaves like a wave and a particle

Answer

Is a form of energy

Answer

Travels at different speeds through different mediums

Question 3

Which statement is supported by the image?

Accepted Answer

Light travels in a straight line unless it interacts with a medium

Answer

Visible light needs to travel through a medium

Answer

Light moves through space without slowing down

Answer

White light can be split during the process of refraction

Question 4

What is an example of reflection?

Accepted Answer

Seeing an image of a nearby tree on a car

Answer

Stars twinkling on a clear night

Answer

Using sunglasses to decrease the brightness of light

Answer

Blackout curtains restricting the light in a room

Question 5

Which material converts the greatest amount of light energy to heat energy?

Accepted Answer

Black fur

Answer

White paper

Answer

Purple sweater

Answer

Red paint

Question 6

What happens when light is completely transmitted through an object?

Accepted Answer

The object absorbs and reflects little to no light

Answer

The brightness of the transmitted light increases

Answer

Light rays change directions

Answer

Light rays refract as they enter the object

Question 7

Which medium transmits and splits white light?

Accepted Answer

C

Answer

D

Answer

A

Answer

B

Question 8

What is an effect of refraction?

Accepted Answer

The apparent location of an object changes

Answer

Light bounces off luminous objects

Answer

The wavelength of light remains constant

Answer

All of the above

Question 9

Which factors determine the behavior of light?

Accepted Answer

Wavelength and the number of wavelengths in a given time period

Answer

Source of the light and the amount that is transmitted

Answer

Height of the wave and its visibility to the human eye

Answer

Direction of the light rays and the amount of absorption

Question 10

What is true about the electromagnetic spectrum?

Accepted Answer

It includes all types of light

Answer

It excludes radio or ultraviolet waves

Answer

It shows how frequency increases as wavelength increases

Answer

It showcases all forms of energy

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