Waves Review part 2

Object A reflects blue light and absorbs all other colors. Object B reflects red light and absorbs all other colors. What color will the objects be?

• Object A will appear black, and object B will appear green.

• Object A will appear Blue, and object Be will appear Red

• Object A will appear White and object B will appear black

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NGSS.MS-PS4-2

When a cannon fired Kim heard a loud boom a second later. What was the medium that allowed the sound waves to reach Kim

• the cannon

• the air

• ground

• ears

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NGSS.MS-PS4-2

Two sound waves of different frequencies interfere and produce a resulting waveform shown with four points. Which point will the sound be the loudest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS4-1

Radio signals that are detected by wireless computer networks are not detected by radios and televisions. How is that possible?

• The waves are easily reflected by atmospheric layers

• The waves have higher frequencies than radios and tv's are designed to detect

• The waves carry very little information.

• Waves have lower frequencies.

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NGSS.MS-PS4-2

Why are high frequency radio waves beneficial technological advancements for humans?

• They travel longer distances

• They carry more information

• They travel over longer distances

• They do not require mediums to travel.

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NGSS.HS-PS4-5

The students in the diagram are communicating with the cans and string. Which term best describes the sound wave that travels along the string?

• Electromagnetic

• seismic

• mechanical

• transverse

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NGSS.MS-PS4-2

What is the wavelength

• 360

• 270

• 180

• 90

Tags

NGSS.MS-PS4-1

As a sound wave increases what other property will increase?

• wavelength

• frequency

• loudness

Object A reflect all colors of light what, What color is object A?

• Black

• White

Tags

NGSS.MS-PS4-2

Object B reflects green light and absorbs all other colors. What color is object B

• Yellow

• Black

• Green

Tags

NGSS.MS-PS4-2