8th grade chapter 4

vibrating objects produce sound waves by creating a series of

• microwave

• electromagnetic waves

• rarefactions & compressions

• transmissions and absorptions

which will stop the transmission of sound waves but not light waves

• gases

• vacuum

• thick layer of liquid

• a liquid surrounded by metallic sound

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NGSS.MS-PS4-2

when light waves change speed, _____ occurs

• diffusion

• reflection

• refraction

• diffraction

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NGSS.MS-PS4-2

differ according to wavelength

• electromagnetic waves

• convex lens

• opaque material

• translucent material

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

image is upright and smaller than object

• convex mirror

• concave mirror

• translucent

• retina

thinner in the middle than the edges

• concave lens

• convex lens

• concave mirror

• convex mirror

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NGSS.MS-PS4-2

image of object is reversed left to right

• plane mirror

• concave mirror

• convex mirror

• computer mirror

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NGSS.MS-PS4-2

controls the amount of light that enters the eye

• iris

• pupil

• retina

• lens

used in magnifying tools and cameras

• convex lens

• concave lens

• plane lens

• opaque lens

light cannot pass through it

• opaque material

• translucent material

• transparent material

• convex lens

Tags

NGSS.MS-PS4-2