Wave and Sound Test Review

What is the part of the wave called labeled 3

• crest

• trough

• wavelength

• rest position

• crest

Tags

NGSS.HS-PS4-1

Which is the role of resonance in enhancing musical instruments?

• to increase the frequency

• to decrease the frequency

• to amplify the sound

• to soften the sound

What happens to the pitch when the observer moves away from a stationary sound source?

• The pitch increases.

• The pitch remains the same.

• The pitch decreases.

• The pitch fluctuates.

Sound travels faster through and liquids than through because the individual molecules are .

• solids
• gases
• liquids
• plasma

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Communication satellites broadcast and receive .

• radio waves
• microwaves

• visible light

• gamma rays

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-5

An FM radio station broadcasts information by varying the _______ of the carrying wave.

• Frequency

• Amplitude
• Modulation

• Signal

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

When you feel the heat from a campfire, it is primarily due to thermal energy transferred by _____

• ultraviolet rays

• infrared radiation

• gamma rays

• radio waves

Tags

NGSS.HS-PS4-3

NGSS.HS-PS3-4

______ react with CFCs in the atmosphere to produce chlorine atoms that react with and destroy ozone molecules.

• Chlorine
• Ozone

• CFCs

• Atmosphere

Tags

NGSS.HS-PS1-2

What happens to the wavelength of an electromagnetic wave as its frequency increases?

• It decreases

• It increases

• It remains constant

• It fluctuates

Tags

NGSS.HS-PS4-1

What is the phenomenon called when waves overlap and combine to form a new wave pattern?

• interference

• diffraction

• reflection

• refraction

• polarization