Pop Quiz Waves Investigation 4

What does the FM stand for in FM radio?

• Amplitude modulation

• Frequency modulation

• Frequency medium

• Fiber-optic modulation

What does the am stand for in am radio?

• Amplitude magnetic field

• Frequency modulation

• Amplitude Modulation

• Analog Modulation

Which answer choice explains what analog means?

• Electrical

• Mechanical / Wind up

• Data expressed as single digits usually 0 and 1

• Smooth and continuous data

Which of the following answer choices explains what digital means?

• Data expressed as single digits, usually 0 and 1

• Smooth and continuous data

• Electrical

• computerized

Tags

NGSS.MS-PS4-3

Which of the following answer choices explains what a carrier wave is?

• A wave that can only travel through a medium

• A wave of electricity and magnetism that can travel through a medium or empty space

• A wave in which the waves medium is compressed in the same direction as the movement of the wave

• An electromagnetic wave whose amplitude or frequency is modulated to transmit information

Tags

NGSS.HS-PS4-5

What kind a wave is pictured?

• Analog wave

• Digital wave

• Radio wave

• Microwave

Tags

NGSS.MS-PS4-1

What kind a wave is pictured?

• Analog wave

• Digital wave

• Radiowave

• Microwave

Tags

NGSS.MS-PS4-1

This is a code that uses dots and dashes.

• Mike's code

• Morse code

• Shortwave radio

• Television

Modulation is the process of marrying a property of a wave in order to encode information into the wave. What two parts of the wave are usually used for modulation?

• Amplitude and volume

• Amplitude and wavelength

• Amplitude and frequency

• None of these

Tags

NGSS.MS-PS4-1

What type of modulation is represented by this wait?

• FM modulation

• AM modulation

Tags

NGSS.MS-PS4-1