communicating with signals

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

• signal

• noise

• wave

• code

Tags

NGSS.MS-PS4-3

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

Tags

NGSS.MS-LS1-8

A signals can be stored, encoded, or transmiteted.

• True

• False

Tags

NGSS.MS-PS4-3

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

Tags

NGSS.MS-PS4-3

Which are examples of an encoded message?

(select ALL that apply)

• a pile of rocks on a trail

• Morse code

• random clapping

• street signals

Which are examples of transmitting a signal?

(select ALL that apply)

• talking to another person

• electromagnetic waves in wires

• information stored on a hard drive

• an encyclopedia

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-3

Unwanted modification of a signal.

• noise

• turbulence

• disturbance

• error

Tags

NGSS.HS-PS4-2

Which is a disadvantage of using waves to carry signals?

• they lose energy as they travel

• they move information too fast

• it's difficult to decode the information

• signals often get lost

Tags

NGSS.MS-PS4-3

Which examples are causes of 'noise' in a signal?

(select ALL that apply)

• increasing distance from the source

• interference from other signals

• a clear connection

• fiber optics

How do fiber optics send a signal?

• reflection of light

• refraction of light

• diffraction of light

• transmission of electricity

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2