S8P4 D

Which term explains the path of the light ray in this diagram?

• Convection

• Scattering

• Absorption

• Refraction

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NGSS.MS-PS4-2

Based on the data table, what material does light travel fastest through?

• empty space

• solids

• liquids

• gases

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NGSS.MS-PS4-2

What is causing you to be able to see two sets of mountains in this picture? 

• refraction of light

• reflection of light

• transmission of light

• absorption of light

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NGSS.MS-PS4-2

Why does this car appears red under a white light?

• The car is absorbing the red light and reflecting the blue and green.

• The car is reflecting only the red light while absorbing the blue and green.

• The car is absorbing the red and green light while reflecting the blue.

• The car is absorbing the red, blue and green, but our eyes can only see the red.

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NGSS.MS-PS4-2

What is the principle of energy transfer in a battery-operated device?

• Mechanical to electrical

• Electrical to mechanical

• Chemical to electrical

• Electrical to chemical

Which of the following is a longitudinal wave?

• Light wave

• Sound wave

• Water wave

• Radio wave

What is the term for the rate at which energy is transferred or converted?

• Power

• Energy

• Work

• Force

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NGSS.MS-PS3-5

What is the unit of resistance in an electrical circuit?

• Volt

• Ampere

• Ohm

• Watt

Which of the following demonstrates the result of waves travelling at different speeds when moving from one medium to another?

• The absence of any sounds in outer space

• The bending of light when it goes from air to water

• The movement of ocean currents as Earth rotates

• The up and down motion of a coiled metal spring

Tags

NGSS.MS-PS4-2

In general, sound travels faster in a liquid than in a gas and faster in a solid than in a liquid. These observations best support which of the following interpretations?

• The speed of sound goes up as the density of the medium in which they are travelling goes down.

• Sound travels faster in air than it does under water, and it can’t travel at all underground.

• The speed of sound goes up as the density of the medium in which they are travelling goes up.

• Sound travels faster in a substance as the overall temperature of that substance increases.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2