Communication with Light and Sound
Practice Questions
1st Grade Science › Communication with Light and Sound
A light wave can be used to send messages.
Where does sound come from?
A light wave can be used to send messages.
Where does sound come from?
Aly's teacher posts letters and words all over the room and she gives each student a laser pointer. She tells them she wants them to spell their name or pass a message to her without talking. What can the students do to communicate with only light?
Aly's teacher posts letters and words all over the room and she gives each student a laser pointer. She tells them she wants them to spell their name or pass a message to her without talking. What can the students do to communicate with only light?
What is an example of using sound to communicate and solve a problem?
What is an example of using sound to communicate and solve a problem?
Which device uses sound to communicate over a distance?
How could you improve the design of the lights in this photo to help the plane land safely?
