untitled

A piece of information that is communicated through using the senses.

• signal

• noise

• wave

• code

A signal is a ____________ that is communicated through using the senses.

• piece of information

• electromagnetic wave

• code

• feeling

Verbal speech, braille, and reading a text all use...

• signals to send information

• the same code to send informaiton

• the same senses to send a signal

• electromagnetic waves to send a signal

Electromagnetic waves can be 'modulated' to contain information. What does 'modulated' mean?

• modified

• ampified

• transmitted

• reflected

What type of wave is commonly used to transmit signals?

• electromagnetic waves

• sound waves

• energy waves

• mechanical waves

Unwanted modification of a signal.

• noise

• turbulence

• disturbance

• error

To send a signal, who must understand how the signal was encoded?

• just the sender

• just the receiver

• both the sender and the receiver

• neither the sender nor the receiver

What does compression mean in the context of sound waves?

• The point where the wave is most compact

• The highest point of a wave

• The origination point of a wave

• How we are able to hear sound waves

The total number of waves produced in one second is called the ________ of the wave.

• Vibration

• Echo

• Frequency

• Amplitude

A longitudinal wave caused by vibrations transferring energy through a medium.

• Radio Wave

• Microwave

• Sound Wave

• Light Wave