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Waves 1 Waves 2 Sound Light Misc

Waves transfer this.

What is energy?

Label the following on the wave

shown.

* wavelength * compression

* rarefaction * amplitude

Wavelength

Compression Rarefaction

Amplitude

When a wave passes from one

medium into another and bends,

it is called this.

What is refraction?

In this type of wave the particles

of the medium move parallel to

the direction of the wave.

What is a longitudinal wave?

In this type of wave the particles

of the medium move

perpendicular to the direction of

the wave.

What is a transverse wave?

This type of wave requires a

medium.

What is a mechanical wave?

When a wave bounces back from

a surface it is called this.

What is reflection?

When a wave bends around an

object, it is called this.

What is diffraction?

When the wavelength of a wave

increases, the frequency does

this.

What is decrease?

speed = wavelength * frequency

This is the frequency of a wave

that travels at a rate of 170 m/s

and has a wavelength of 4 m.

What is 42.5 Hz?

Sound is caused when objects do

this.

What is vibrate?

This part of the wave increases

when the loudness of a sound

increases.

What is amplitude?

This type of frequency produces

a high pitched sound.

What is high frequency?

An echo results from this type of

wave interaction.

What is reflection?

When a siren comes towards you,

the pitch becomes higher because

of this.

What is the Doppler effect?

Our eyes see a blue t-shirt as blue

because this color light is

reflected.

What is blue?

This color of light results when

the light colors red, blue and

green are mixed.

What is white?

The colors of light are different

because this is different for each

color.

What is wavelength?

Draw a diagram that shows how

light is reflected and state the

rule for reflection.

Rule: Angle of incidence equals

angle of reflection.

Angle of incidence Angle of reflection

) )

The figure that shows the correct

reflection below is ____.

Figure A Figure B

Figure B

This part of the electromagnetic

spectrum has the most energy.

What are gamma or cosmic rays?

This color in the visible spectrum

has the least energy.

What is red?

What is wrong with the following

statement?

“Sound travels in transverse

waves.”

Sound travels in longitudinal

waves.

Sound travels fastest in this

medium.

solid

Why is it impossible to hear

sound in space?

Sound is a longitudinal wave and

requires a medium to transfer

energy.