Communicating with Signals

What is the most prominent use of Fiber Optics today?

• Phones

• Television Screens

• The Internet

• MRI imaging

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

NGSS.MS-PS4-3

For what are Fiber Optics mainly used?

• Long distance communication

• Imaging

• Phones

• Downloading Apps

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Are fiber optics used for long or short distance calls?

• Long Distance

• Both

• Short Distance

Tags

NGSS.MS-PS4-2

Why are fiberoptic cables preferred over copper wire in telephone and Internet applications?

• used both indoors and outdoors

• easier to manufacture and install into office buildings

• more flexible and needs no power source

• less sensitive to temperature/electromagnetic interference

Tags

NGSS.MS-ETS1-3

People use signals to communicate.

• True

• False

Tags

NGSS.MS-PS4-3

What do all signals that are used to communicate have in common?

• They all involve light waves.

• They all send information.

• They all use printed words.

• They all use a series of sounds.

Tags

NGSS.MS-PS4-3

What is a disadvantage of using radio waves to transmit information?

• They do not permanently move matter.

• They can travel over long distances.

• They can be varied to hold information.

• They lose energy as they travel through mediums.

Which correctly orders the steps of communication using signals?

• encode, transmit, decode

• decode, encode, transmit.

• transmit, decode, encode

• encode, decode, transmit

Tags

NGSS.MS-PS4-3

How does light travel through the cable?

• Refraction and Reflection

• Refraction only

• Dispersion

• Total Internal Reflection

Tags

NGSS.MS-PS4-2

The person tapping in a signal to send through Morse code is doing what to the message?

• encoding it

• transmiting it

• decoding it

• storing it