Waves: Lessons 11 & 12

A __________ is a pattern of symbols.

• phone number

• keypad

• code

• password

Tags

NGSS.MS-PS4-3

A code that uses just two symbols is called a binary code.

• True

• False

Samuel Morse was the inventor of __________.

• light bulb

• electricity

• the satellite

• Morse code

__________ is how most computerized devices send, receive, and transport messages today.

• binary code

• Morse code

• sound waves

• electromagnetic waves

Tags

NGSS.MS-PS4-3

What type of code uses a combination of dashes and dots?

• binary code

• Morse code

• sign language

• radio waves

What type of wave is being used to send the signal?

• light waves

• sound waves

• radio waves

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-3

What type of wave is being used to send the signal?

• sound

• radio

• light

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What type of wave is being used to send the signal?

• sound

• light

• radio

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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

• broadcast

• announce

• Morse code

• binary code

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

NGSS.MS-PS4-3

When you are watching TV, the TV station uses ________ waves to transmit signals to your device.

• sound

• light

• radio

Tags

NGSS.MS-PS4-3