How do you use sound to communicate?

Some of the ways we use sound to communicate include talking, beeping a horn and ringing a bell.

What are some ways light is used to communicate?

Some of the ways we use light to communicate include traffic lights and the flashing lights of a police car or fire truck.

How do you communicate with someone far away?

To communicate with someone far away you can use a telephone, video chat or text message.

Why might you need to communicate with someone far away?

To invite them over, to say hello, to share good news, etc.

How do you use light and sound in your everyday life?

We use light to see where our food is located, to see a teacher and to watch TV. We use sound to hear, listen to music and talk.

Sit quietly for one minute. How is light and sound being used around you?

Video on the computer, TV, people talking, bell ringing, etc

How do fire trucks and police cars communicate with people?

They use sirens and flashing lights to communicate with light and sound. Their message is that there is an emergency and you should get out of the way!

What are some ways people use light to communicate over a distance?

Possible answers: Morse code, flashing lights of a car, a light house warning boats.

How did Morse code work in the video?

Each letter of the alphabet is represented by a code of short and long flashes of light.

What are some examples of how sound is used to communicate?

Sirens can communicate an emergency; spooky music can communicate that something scary is about to happen in a movie.

How do animals use sound to communicate?

Animals might warn other animals about danger nearby. Crickets might chirp to let other crickets know where they are. Birds often sing to tell other birds where they are.

How does a string telephone work?

Sound waves from your voice vibrate down the string and into the cup of your partner.

Communication Over Distances

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What you will learn from this videoWhat you will learn

To communicate over distances we can use light.
We can also use sound to communicate.
We receive messages through light and sound every day.

Discussion Questions
- Before Video
  How do you use sound to communicate? ANSWER
  - Some of the ways we use sound to communicate include talking, beeping a horn and ringing a bell.
  What are some ways light is used to communicate?ANSWER
  - Some of the ways we use light to communicate include traffic lights and the flashing lights of a police car or fire truck.
  How do you communicate with someone far away?ANSWER
  - To communicate with someone far away you can use a telephone, video chat or text message.
  Why might you need to communicate with someone far away?ANSWER
  - To invite them over, to say hello, to share good news, etc.
  How do you use light and sound in your everyday life?ANSWER
  - We use light to see where our food is located, to see a teacher and to watch TV. We use sound to hear, listen to music and talk.
  Sit quietly for one minute. How is light and sound being used around you?ANSWER
  - Video on the computer, TV, people talking, bell ringing, etc
- After Video
  How do fire trucks and police cars communicate with people?ANSWER
  - They use sirens and flashing lights to communicate with light and sound. Their message is that there is an emergency and you should get out of the way!
  What are some ways people use light to communicate over a distance?ANSWER
  - Possible answers: Morse code, flashing lights of a car, a light house warning boats.
  How did Morse code work in the video?ANSWER
  - Each letter of the alphabet is represented by a code of short and long flashes of light.
  What are some examples of how sound is used to communicate?ANSWER
  - Sirens can communicate an emergency; spooky music can communicate that something scary is about to happen in a movie.
  How do animals use sound to communicate?ANSWER
  - Animals might warn other animals about danger nearby. Crickets might chirp to let other crickets know where they are. Birds often sing to tell other birds where they are.
  How does a string telephone work? ANSWER
  - Sound waves from your voice vibrate down the string and into the cup of your partner.
Vocabulary
- Communicate DEFINE
- Sound DEFINE
- Light DEFINE
- Message DEFINE
- Distance DEFINE
- Morse Code DEFINE
Reading Material
DIY Activity Guide
Lesson Plan
Lesson Plan
Teacher Guide
Assessment
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