Paper Quiz


Become a member to get full access to our entire library of learning videos, reading material, quiz games, simple DIY activities & more.
Plans & PricingIf you are on a school computer or network, ask your tech person to whitelist these URLs:
*.wisita.com, fast.wistia.com, fast.wistia.net, embedwistia-a.akamaihd.net
Sometimes a simple refresh solves this issue. If you need further help, contact us.
Some of the ways we use sound to communicate include talking, beeping a horn and ringing a bell.
Some of the ways we use light to communicate include traffic lights and the flashing lights of a police car or fire truck.
To communicate with someone far away you can use a telephone, video chat or text message.
To invite them over, to say hello, to share good news, etc.
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.
Video on the computer, TV, people talking, bell ringing, etc
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!
Possible answers: Morse code, flashing lights of a car, a light house warning boats.
Each letter of the alphabet is represented by a code of short and long flashes of light.
Sirens can communicate an emergency; spooky music can communicate that something scary is about to happen in a movie.
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.
Sound waves from your voice vibrate down the string and into the cup of your partner.
To send or receive a message.
Noise caused by an object vibrating.
Allows us to see objects in the dark.
Information that is sent or given to someone.
How far away something is.
A special code used to communicate letters and numbers using light or sound.
What is one way sound is used to communicate?
Give an example of how light is used to communicate.
Why is it important for us to be able to communicate over a distance?
"My students loved the videos. I started the video subscription in May and used them as a review before the state test, which I know contributed to 100% of my class passing the state test."
Rhonda Fox 4th Grade Teacher, Ocala, Florida• No credit card required •
Cancel anytime in 1-click on the manage account page before the trial ends and you won't be charged.
Otherwise you will pay just $10 CAD/month for the service as long as your account is open.
Cancel anytime on the manage account page in 1-click and you won't be charged.
Otherwise you will pay $10 CAD/month for the service as long as your account is open.
We just sent you a confirmation email. Enjoy!
DonePlease login or join.