People can use both light and sound to communicate.

• Yes

• No

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A megaphone makes a soft sound?

• yes

• no

The best way to show a hearing impaired person (someone who can not hear well) that it is safe to cross the street is by using a sound signal.

• yes

• no

Tags

NGSS.MS-LS1-8

Turn signals are a way that car communicates information using light

• yes

• no

Tags

NGSS.MS-PS4-1

Which can use light to communicate a message in Morse Code?

• 
• 
• 

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which does the computer need to communicate using its screen?

• 
• 
• 

Tags

NGSS.MS-PS3-1

Which of the following uses light to help keep ships safe near land?

• 
• 
• 

A ______ is a machine that gets messages or signals.

• transmitter

• receiver

• sender

Tags

NGSS.MS-PS4-3

A _____ is a machine that sends out messages or signals.

• sender

• receiver

• transmitter

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The following items communicates with both- light and sound. (Select all that apply)

• 
• 
• 
• 
• 

Tags

NGSS.MS-PS4-2