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ENERGY WAVES SOUND LIGHT MISC

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A kite stuck in a tree has ____________ energy.

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POTENTIAL

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A burning fire produces

_____________and

_____________energy.

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RADIANT & THERMAL

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In every energy transformation, some

energy is always “lost” as ________ energy.

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THERMAL

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_______ is an alternative resource.

COAL, NATURAL GAS, WIND, OIL

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WIND

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A photovoltaic cell converts ________ energy

to ________ energy.

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RADIANT to ELECTRICAL

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In a transverse wave, the highest point is called the

__________.

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CREST

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The SI unit for wave frequency is the

________.

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HERTZ

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Sound waves produced by a vibrating object are

___________ waves.COMPRESSIONAL,

SEISMIC, ELECTROMAGNETIC,

TRANSVERSE

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COMPRESSIONAL

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The electromagnetic waves with the highest

energy are the __________ waves.

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GAMMA

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The shortest radio waves are called ____________.

(Remember – shorter waves have higher

frequencies!)

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MICROWAVES

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Loudness is the human perception of sound wave

_________.FREQUENCY, PITCH, INTENSITY, SPEED

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INTENSITY

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The process of detecting objects by bouncing sounds off of them

is called ____________.

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ECHOLOCATION

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Sound intensity is measured in

___________. (what unit?)

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DECIBELS

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Sound waves travel most slowly in what type of

medium?______________

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AIR (OR GAS)

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Another term for repeated echoes is _____________.

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REVERBERATION

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Light travels fastest through what?

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EMPTY SPACE

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Light waves change direction and speed when

they enter a new substance. This is called

_____________.

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REFRACTION

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The bending of light waves around an object is referred to as __________.

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DIFFRACTION

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Light waves that cause sunburn are called

______________ waves.

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ULTRAVIOLET

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Visible light is a very small portion of the

_____________ spectrum.

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ELECTROMAGNETIC

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Tsunamis are caused by

__________________.

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EARTHQUAKES ON THE OCEAN FLOOR

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When you see a change in the environment, you know that _______ has

been transferred.

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ENERGY

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If the distance between the crest and trough of a

transverse wave is 8.4m, the wave’s amplitude is

_____m.

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4.2

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A disturbance that moves through matter or space is

the definition of a ________.

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WAVE

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How much of the energy emitted by the sun reaches

earth?

ALMOST ALL, MOST, ABOUT HALF, A VERY

SMALL FRACTION

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A VERY SMALL FRACTION