Waves - Lesson 12 Flashcard

Front

What are radio waves?

Back

Radio waves are a type of electromagnetic wave that is longer than light waves and cannot be seen by the human eye.

Tags

NGSS.MS-PS4-1

Front

How do radio waves compare to light waves?

Back

Radio waves are like light waves but much longer and invisible to the human eye.

Tags

NGSS.MS-PS4-1

Front

Why are radio waves used for communication?

Back

They can be transmitted easily through air and space without causing damage.

Tags

NGSS.MS-PS4-2

Front

What is binary code?

Back

Binary code is a system of representing information using only two symbols: 0 and 1.

Tags

NGSS.MS-PS4-3

Front

How is binary code used in communication with spacecraft?

Back

It is used to communicate information using on and off signals representing 0 and 1.

Tags

NGSS.MS-PS4-3

Front

What does it mean to broadcast?

Back

To broadcast means to transmit or transfer a signal in some form of a wave.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Front

What are electromagnetic waves?

Back

Electromagnetic waves are waves that can travel through space and do not require a medium.

Tags

NGSS.HS-PS4-3

Front

What is the speed of light?

Back

The speed of light is approximately 299,792 kilometers per second (km/s) in a vacuum.

Front

What is the role of antennas in communication?

Back

Antennas are used to transmit and receive radio waves.

Front

What is modulation in radio communication?

Back

Modulation is the process of varying a wave's properties to encode information.

Tags

NGSS.MS-PS4-3