Light Waves

After years of sitting in the sun your wooden coffee table has faded this is evidence of what?

• light being taken in as energy causing damage

• light being reflected off the table causing you to see a different color

• light being transmitted through the table

• that it's time to get a new coffee table

Tags

NGSS.MS-PS4-2

Can light pull energy out of objects causing them to change?

• Yes, light gets energy from objects causing them to change

• No, light carries energy causing objects to change

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

In order to see an object, light must be

• transmitted into your skin

• 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

Tags

NGSS.MS-PS4-2

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

• light

• absorb

• emit

• wavelengths

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NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-3

A light source can ________ more than one type of light

• emit

• light

• absorb

• wavelengths

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

• reflected

• penetrated

• absorbed

• surrounded

Tags

NGSS.MS-PS4-2

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

• UV

• visible

• radio

• microwave

Tags

NGSS.HS-PS4-4

Which type of electromagnetic radiation is the reason we need sunglasses and sunscreen to avoid getting a sunburn?

• X-rays

• Gamma Rays

• Ultraviolet waves

• Infrared waves

Tags

NGSS.MS-LS1-5

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.

Tags

NGSS.MS-LS1-5

What is the speed of light in a vacuum?

• 299,792,458 meters per second

• 150,000,000 meters per second

• 3,000,000 meters per second

• 30,000 meters per second

Tags

NGSS.MS-PS4-1