Communication and Waves

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

What type of information can be sent by radio waves?

• Radio

• Radio and video

• Cell phone and Internet data

• All kinds of data

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

To convert (information or an instruction) into a particular form or signal.

• Decoding

• Transmission

• Encoding

• Electromagnetic waves

Tags

NGSS.MS-PS4-3

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 these can transmit information if you know the code?

• A drum

• A flashlight

• Smoke signals

• All of the above

Tags

NGSS.MS-PS4-3

What is orbiting Earth that receive radio, television, and telephone signals and then transmit them around the world?

• GPS
• Communication Satellite 
• Transmitter
• Cell Phone Tower

Tags

NGSS.MS-PS4-3

What waves carry information to your TV and radio ?

• Radio
• Microwaves
• Gamma
• AM

Tags

NGSS.MS-PS4-3

How do you write E in Morse Code?

• .

• ..

• --

• -

Is music playing from a record an analog or digital signal?

• Analog
• Digital

Tags

NGSS.MS-PS4-3

Is a video game coded as analog or digital data?

• Analog
• Digital

Tags

NGSS.MS-PS4-3