Ch. 7 Sound and Light

18 terms by dlharmon

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Sound

Like heat, ____________ is a form of energy and travels in waves.

Vibrates

All the sounds you hear are made when matter _______________.

Directions

Sound waves move in all __________________.

Reflected

We see objects because light is _________________ from them.

Photons

Light is made up of these bundles of energy.

Light

Travels in straight lines and has properties of both particles and waves.

Waves

Light _________ travel fastest through empty space and travel faster than anything else.

Visible Spectrum

The band of colors that make up white light.

ROYGBIV

red-orange-yellow-green-blue-indigo-violet

Plane mirror

a flat and smooth mirror

Concave mirror

a mirror that curves inward

Convex mirror

a mirror that curves outward

Refraction

the bending of a light wave as it moves through a material

Concave lens

lens on these glasses is for nearsighted people

Matter

sound can only be heard when it travels through this

Energy

Light is a form of __________ that can be seen.

Faster

Light travels ____________ than sound.

Straight

Light travels in ___________ lines.

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