To view the online text for this chapter, click here!

What is the main idea of this chapter?

The author wrote “Your remote control uses infrared waves to communicate with your TV.”  What does “communicate” mean in this quote?

Sabiha wrote “Scientists found that heat sources send out infrared waves, too.”  What does “heat sources” mean in this quote?

What does the picture of the dog show?

How much faster are ultra–violet waves than infrared waves?

Which conclusion makes sense given the information in this chapter?

Were there any ideas or words that were unclear in this chapter?

What is the tiny piece of light called that make up big screen TVs?

Please enter the first three words of a sentence that shows your answers is correct.

The author wrote "Today, video cameras save this information digitally, meaning it is saved on computer chips."

What does "digitally" mean in this quote?

How are videos saved on digital cameras?

Please enter the first three words of a sentence that shows your answers is correct.

To view the online text for this chapter, click here!

What is the main idea of this chapter?

Sabiha wrote “When you turn your TV on, your TV translates the electronic signal so it can be shown on your TV’s display and the audio is made by your TV’s speakers.”  What does “translate” mean in this quote?

In the same quote, “When you turn your TV on, your TV translates the electronic signal so it can be shown on your TV’s display and the audio is made by your TV’s speakers.”  What does “display” mean in this quote?

The author wrote “These tiny colors are designed to make the images and movements that our brains understand.”  What are “images” mean in this quote?

The author wrote “Today, video cameras save this information digitally, meaning it is saved on computer chips.” What does “digitally” mean in this quote?

What is the tiny piece of light called that make up big screen TVs?

How are videos saved on digital cameras?

Are there any words or ideas that are still unclear? List them here.

The author wrote "LED converts electrical current into light and the best part is that LED is energy efficient because it only lights up the parts of the screen with colors."

What does "converts" mean in this quote?

Are there any words or ideas that are still unclear? List them here.

In the same sentence, "Battery: Provides energy used to transmit radio signals, create visual displays, and run other components."

What does "visual" mean in this quote?

The author wrote "Battery: Provides energy used to transmit radio signals, create visual displays, and run other components."

What does "transmit" mean in this quote?