Communication and waves module l

This is anything that can transmit information.

• crest

• trough

• compression

• signal

Tags

NGSS.MS-PS4-3

This is a code that uses dots and dashes.

• Mike's code

• Morse code

• Shortwave radio

• Television

This is how information is represented in a signal.

• Decoding

• Transmission

• Encoding

• Electromagnetic waves

Tags

NGSS.MS-PS4-3

Which of these can transmit information if you know the code?

• A drum

• A flashlight

• Smoke signals

• All of the above

Tags

NGSS.MS-PS4-3

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

FM modulation stands for which of these?

• Fast modulation

• Frequency modulation

• Final modulation

• Fix'd modulation

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

AM modulation stands for which of these

• Amplitude modulation

• Any wave modulation

• Annex modulation

• Anterior adulation

Tags

NGSS.MS-PS4-1

What type of modulation is represented by this wait?

• FM modulation

• AM modulation

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-3

What type of wave modulation is represented here?

• FM modulation

• AM modulation

Tags

NGSS.MS-PS4-1

In the vacuum of space electromagnetic waves travel at

• Different speeds depending on the wave

• They cannot travel in space

• They all travel at the same speed

• Light waves are faster

Tags

NGSS.MS-PS4-1