Light and Waves Study Guide

Which best describes light?

• An empty vacuum

• A black color

• A compression wave

• A form of energy

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What is indicated by number 3?

• Trough

• Wavelength

• Peak

• Crest

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Light travels in —

• compression waves

• transverse waves

• longitudinal waves

• mechanical waves

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Which of the following will permit light, but not sound, to travel through?

• A desk

• A table

• A vacuum

• A planet

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Light bouncing off an object is called —

• refracting

• bending

• darkening

• reflecting

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Although light waves are very small, human eyes are able to tell them apart. As a result, humans see —

• solids

• liquids

• gases

• color

An object that allows some, but not all, light to pass through is —

• translucent

• opaque

• mirrors

• transparent

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NGSS.MS-PS4-2

Which is the correct order of the colors of the visible light spectrum?

• Orange, yellow, green, blue, violet, and red

• Red, orange, green, blue, violet, and yellow

• Red, orange, yellow, green, blue, and violet

• Green, blue, violet, red, orange, and yellow

Which statement is true?

• Light does not travel.

• Light is able to travel through opaque objects.

• Light cannot pass through transparent objects.

• Light can be absorbed.

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NGSS.MS-PS4-2

The visible spectrum is —

• only the black

• frequencies

• wavelengths

• the light people can see