The article mentioned that sound waves

can travel through the air, but they can also

travel through solid materials like metal. What was the reason they gave for this?

• Both air and metal are made of the same substances

• Metal is made of matter, but the air is empty space

• Both air and solids like metal exist on Earth

• Both air and metal are made of matter

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NGSS.MS-PS4-2

Are sound waves able to move through ANY type of matter?

• Yes

• No

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Sound waves always travel at the same speed, no matter what material they are moving in.

• True

• False

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NGSS.MS-PS4-2

Sound waves

travel fastest when they are moving through...

• they move the same through everything

• gasses

• solids

• liquids

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NGSS.MS-PS4-2

According to the article, light can actually bend.

• True

• False

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NGSS.MS-PS4-2

What is the term used to describe the bending of light?

• reflection

• transmission

• refraction

• absorption

Light waves travel the fastest when they are traveling through...

• Earth's atmosphere

• Empty space (outer space)

• Water

• Clear plastic

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NGSS.MS-PS4-2

According to the article, which property of a light wave affects the angle at which it bends when it passes from one material to another.

• Amplitude

• Refractitude

• Frequency

• Wavelength

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According to the article, does the refraction of the sun's light cause a rainbow?

• Yes

• No

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NGSS.MS-PS4-2

Which of the following is the most complete answer to what caused the straw to look like it is in two pieces?

• Light waves are bending when they enter the water from the air and then reflect back to your eye where they are absorbed by your eye

• Light waves are bending when they leave the water and enter the air and then reflect back to your eye where they are absorbed by your eye

• Light waves are bending when they enter the water from the air and then bend again as they are reflected and leave the water and enter the air and are absorbed by your eye

• Magic

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