U3 Q2 How Is Information Transferred from Place to Place?

Front

What is the method by which a television remote control sends information to a television?

Back

Light waves are used to send information from a remote control to a television.

Front

What is the key feature of a camera that provides the highest quality image?

Back

A camera with lots of pixels provides the highest quality image.

Front

How do crewless spaceships send pictures back to Earth?

Back

Pictures are encoded and sent back to Earth using electromagnetic waves.

Front

What type of energy did Emily and Jacob use to send their messages?

Back

They sent the same message using different types of energy.

Front

How do Kallie and DeAngelo communicate at night?

Back

They communicate using light waves.

Front

What are electromagnetic waves?

Back

Electromagnetic waves are waves that can travel through space and carry information, such as light and radio waves.

Front

What is the difference between sound waves and light waves?

Back

Sound waves require a medium to travel through, while light waves can travel through a vacuum.

Front

What is the role of pixels in an image?

Back

Pixels are the tiny dots that make up an image; more pixels generally mean a clearer and higher quality image.

Front

What is a coded message?

Back

A coded message is a message that has been transformed into a different format to keep it secret or to convey information in a specific way.

Front

How do lasers work in communication?

Back

Lasers emit light waves that can be used to send information over distances.