Lesson Check: Communication

A signal, such as a phone call, that is sent to a communications satellite by radio waves is called a/an _____.

• uplink

• downlink

Tags

NGSS.MS-PS4-3

____ is a code in which letters are represented by a combination of short and long signals with light or sound.

______ can be used to transmit information. 

• Heat

• Patterns

• Senses

• Digital

Tags

NGSS.MS-PS4-3

Pick the answer that demonstrates energy being transferred by sound.

• a flashlight being turned on

• riding a bus instead of driving

• the siren blaring on a fire engine

• conserving water

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Computers use ____ code to transmit information.

Tags

NGSS.MS-PS4-3

Which of the following was not used to transmit information using Morse Code?

• a telegraph

• a flashlight

• pencil and paper

• a sundial

Communication satellites use ______ sent by a transmitting station to transmit signals over long distances. 

• microwaves

• polar waves

• light

• radio waves

Tags

NGSS.HS-PS4-5

Which best describes how computers send messages?

• as patterns of ones and zeros

• as light waves through the air

• as patterns of sound waves

• as Morse code messages

Tags

NGSS.MS-PS4-3

Match the example with the correct word.

• sonar

• A boat sends out a sound wave to detect objects underwater

• coding

• A person uses a patter of dots and dashes to send a message.

• morse code

• A person stands on the rim of a canyon and yells "hello" and a second or so later hears the word bounce back.

• echo

• A person uses 0's and 1's to store data.

• binary code

• A programmer uses a direct language to program a computer.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

NGSS.MS-PS4-3