light and sound communication

How does an emergency vehicle communicate with people?

• lights
• sound
• light and sound
• music

What allows us to see objects in the dark?

• sound
• hands
• TV
• light

What causes sound?

• vibrations
• music
• words
• light

What does a red light tell you to do when you are in your car?

• go
• stop
• slow down
• go fast

Flashing car lights is an example of using ______ to communicate.

• sound
• music
• light
• singing

Which of these is NOT a way to communicate with sound?

• sirens
• music
• talking
• flashing lights

What did sailors use to communicate with other ships long ago?

• light house

• music
• stop lights
• sirens

If you clap in a pattern you are communicating with _________.

• sound
• light
• light and sound
• horns

What does a bird use to tell other birds where it is?

• light
• sound
• sound and light
• Morse code

A string telephone is a way to communicate using _____________.

• videos
• music
• sound
• light