NGSS.MS-PS4-2

The word “luster” refers to which property of matter?

• The ability to conduct electrical or thermal energy
• Capable of being drawn out into thin wires
• The way a surface appears when it reflects light
• Suitable for being shaped by beating or rolling

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NGSS.MS-PS4-2

What is the material waves travel through?

• Period
• Frequency
• Medium
• Hertz

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NGSS.MS-PS4-2

Some objects like the Sun produce their own light.  Others don't.  Why can we see objects that don't produce light?

• They absorb the light.
• They reflect the light.
• They transmit the light.
• They bounce the light around until it strikes our eyes.

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NGSS.MS-PS4-2

What does it mean to reflect?

• bounce off
• bend
• refract
• energy

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NGSS.MS-PS4-2

The water is what

• opaque
• translucent
• transparent

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NGSS.MS-PS4-2

You see yourself in a mirror because light ____ of the surface of the mirror.

• absorbs

• reflects

• transmits

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NGSS.MS-PS4-2

Sound waves can move at different speeds. What can affect the speed at which sound waves travel?

• the amplitude of sound waves

• the material through which sound waves travel

• the distance over which sound waves travel

• the frequency of sound waves

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NGSS.MS-PS4-2

Which type of interaction is this?

• reflection

• refraction

• diffraction

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NGSS.MS-PS4-2

Ray B represents __.

• reflection

• refraction

• transmission

• absorption

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NGSS.MS-PS4-2

According to the law of reflection the angle of incidence is ____________ the angle of reflection.

• less than

• greater than

• equal to

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NGSS.MS-PS4-2