In order to see an object, light must be

reflected off the object and into your eyes

reflected off the object then off the ground then into your eyes

absorbed by your genetic material

What does this piece of evidence from the "What is Melanin?" article prove? (check ALL that apply)

The genetic material in skin cells with more melanin absorbs less UV light from the sun.

The genetic material in skin cells with less melanin absorbs more UV light from the sun.

Melanin absorbs UV light from the sun, which can keep some UV light from reaching genetic material.

UV light is attracted to skin cells.

The genetic material in skin cells with more melanin absorbs more UV light from the sun.

1. Your friends say that they saw a special nail polish that changes color when it is out in the sun. Can light from the sun cause the nail polish to change color?

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

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

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

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

Jayden says that the dentist can shine a special light on his teeth that will make his teeth become whiter. Can light change Jayden’s teeth?

Yes. Jayden’s teeth can take in energy from the light, causing them to become whiter.

Yes. Light can pull energy out of Jayden’s teeth, causing them to become whiter.

No. Light can only change things by warming them up, so it cannot cause Jayden’s teeth to become whiter.

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

Your friend says that he heard about some rocks that would glow when they were put under a certain kind of light. Can light cause rocks to glow?

Yes. Rocks can take in energy from the light, causing them to glow.

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

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

Yes. Light can pull energy out of the rocks, causing them to glow.

Light Waves - Chapter 2 Review

Authored by Michael Cosenza

Science

6th - 8th Grade

NGSS covered

Used 3+ times

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15 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To give off

absorb

reflect

emit

transmit

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

To take in

absorb

reflect

emit

transmit

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are different types of ________________ that can change a material in different ways

light

absorb

emit

wavelengths

Tags

NGSS.MS-PS4-2

NGSS.MS-PS1-4

NGSS.MS-PS3-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A light source can ________ more than one type of light

emit

light

absorb

wavelengths

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Light must be _______________ in order for the material to be affected by light.

reflected

penetrated

absorbed

surrounded

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of light damages the genetic material in skin cells?

visible

radio

microwave

Tags

NGSS.HS-PS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What protects genetic material from sun damage?

melanin

melody

UV light

photosynthesis

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Light Waves - Chapter 2 Review

To give off

To take in

There are different types of ________________ that can change a material in different ways

A light source can ________ more than one type of light

Light must be _______________ in order for the material to be affected by light.

What type of light damages the genetic material in skin cells?

What protects genetic material from sun damage?

In order to see an object, light must be

Does the frog reflect or absorb green?

Does the bird reflect or absorb orange?

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