The energy in ________ light from the sun, gets ________ by the genetic material in the skin cell. This causes the genetic material to be _________.

ultraviolet, reflected, increased in kinetic energy

If a car sits out in the sun every day for a long time, can light from the sun damage the car’s paint?

Yes. The paint can take in energy from the light, causing it to be damaged.

No. Light can only change things by warming them up, so it cannot damage the car’s paint.

No. Light is not a physical thing, so it cannot change physical things like paint.

Yes. Light from the sun can pull energy out of the paint, causing it to be damaged.

Alex has a type of rock called calcite, that sometimes glows. He puts the calcite under a desk lamp but the calcite does not glow. Then he puts it under an ultraviolet lamp and the calcite glows. Why does ultraviolet light make the calcite glow when light from the desk lamp does not?

Because calcite can take in energy from ultraviolet light but not from the light from the desk lamp.

Because ultraviolet light carries energy, and light from the desk lamp does not.

Because ultraviolet light pulls energy out of the calcite, and light from the desk lamp does not.

Because ultraviolet light carries glowing molecules, and light from the desk lamp does not.

Shonda is learning about a new kind of material that might be used to make new satellites, and she wonders if light can damage the material. The table below shows what happens when different types of light hit the material. Based on this information, which type of light is more likely to damage the material?

Neither type of light is likely to damage the material because the material does not take in energy from either the X-ray light or the gamma ray light.

The gamma ray light is more likely to damage the material because the gamma ray light can pull energy out of the material when it passes through the material.

The X-ray light is more likely to damage the material because the X-ray light bounces off of the material, which means that it has more energy.

There is no way to know because they are two different types of light, and different types of light can change a material in different ways.

Your friend says that she heard about a special type of ink that is only visible when it is out in the sun. Can light from the sun cause this ink to become visible?

Yes. The ink can take in energy from the light, causing it to become visible.

No. Light can only change things by warming them up, so it cannot make the ink become visible.

No. Light is not a physical thing, so it cannot change physical things like ink.

Yes. Light from the sun can pull energy out of the ink, causing it to become visible.

Alina notices that when she shines a desk lamp on a mirror, nothing happens. When she shines an infrared lamp on the mirror, the mirror starts to get warmer. Why does light from the infrared lamp warm the mirror when light from the desk lamp does not?

Because the mirror can take in energy from infrared light but not from the light from the desk lamp.

Because infrared light carries energy, and light from the desk lamp does not.

Because infrared light carries heat molecules, and light from the desk lamp does not.

Because infrared light pulls energy out of the mirror, and light from the desk lamp does not.

Omar has a piece of rock called quartz. He wonders whether light can cause the quartz to become warm. The table below shows what happens when different types of light hit the quartz. Based on this information, which type of light is more likely to cause the quartz to become warm?

Neither type of light can cause the quartz to become warm because the quartz does not take in energy from either the infrared light or the visible light.

The visible light can cause the quartz to become warm because the visible light can pull energy out of the quartz when it passes through the quartz.

The infrared light can cause the quartz to become warm because the infrared light bounces off the quartz, which means that it has more energy.

There is no way to know because they are two different types of light, and different types of light can change a material in different ways.

Your friend shows you a special kind of paper that can change color. He says that it will change color if it is out in the sun. Can light from the sun cause the paper to change color?

Yes. The paper can take in energy from the light, causing it to change color.

Yes. Light from the sun can pull energy out of the paper, causing it to change color.

No. Light is not a physical thing, so it cannot change physical things like paper.

No. Light can only change things by warming them up, so it cannot cause the paper to change color.

These graphs show the wavelength and amplitude of light coming from three lasers. Could any of these lasers be giving off a different type of light?

Yes. Laser 2 could be giving off a different type of light because Laser 2 has a different wavelength than Lasers 1 and 3.

Yes. Laser 3 could be giving off a different type of light because Laser 3 has a different amplitude than Lasers 1 and 2.

Yes. All three lasers must be giving off different types of light because every light source gives off its own type of light.

No. All three lasers must be giving off the same type of light because all three are lasers, and the same kind of light source gives off the same type of light.

Light Waves Unit Review

Authored by Darren Fix

Science

8th Grade

NGSS covered

Used 109+ times

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21 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the ability to make things move or change

work

power

force

energy

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

to take in

emit

transmit

reflect

absorb

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

to form a mental picture of something that cannot be seen

model

visualize

create

absorb

Tags

NGSS.MS-ESS1-1

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

to give off

absorb

reflect

emit

transmit

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

an object that gives off light

light

emit

light source

absorb

Tags

NGSS.4-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a pattern that describes how energy is carried from one place to another

wavelength

wave

amplitude

energy

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a type of wave that carries energy from one place to another, even through empty space

wave

wavelength

light

emit

Tags

NGSS.MS-PS4-1

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Light Waves Unit Review

the ability to make things move or change

to take in

to form a mental picture of something that cannot be seen

to give off

an object that gives off light

a pattern that describes how energy is carried from one place to another

a type of wave that carries energy from one place to another, even through empty space

The movement of energy can be tracked by observing the ____________ energy causes to matter.

Light carries __________ that causes materials to change.

When light hits a material, the material can absorb ________ from the light.

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