Electromagnetic Radiation and Information Transfer

What does the FM stand for in FM radio?

• Amplitude modulation

• Frequency modulation

• Frequency medium

• Fiber-optic modulation

Tags

NGSS.MS-PS4-1

What does the am stand for in am radio?

• Amplitude magnetic field

• Frequency modulation

• Amplitude Modulation

• Analog Modulation

Which answer choice explains what analog means?

• Electrical

• Mechanical / Wind up

• Data expressed as single digits usually 0 and 1

• Smooth and continuous data

Which of the following answer choices explains what digital means?

• Data expressed as single digits, usually 0 and 1

• Smooth and continuous data

• Electrical

• computerized

Tags

NGSS.MS-PS4-3

Which of the following answer choices explains what a carrier wave is?

• A wave that can only travel through a medium

• A wave of electricity and magnetism that can travel through a medium or empty space

• A wave in which the waves medium is compressed in the same direction as the movement of the wave

• An electromagnetic wave whose amplitude or frequency is modulated to transmit information

Tags

NGSS.MS-PS4-3

What type of information can be sent by radio waves?

• Radio

• Radio and video

• Cell phone and Internet data

• All kinds of data

Tags

NGSS.MS-PS4-3

NGSS.MS-PS4-1

Which of the following answer choices explains what a pixel is?

• Measures how fine and smooth a digital picture is

• One element of a digital picture

• It measures how much focus a digital picture has.

• The clarity of detail in an image

Which of the following answer choices explains what resolution is?

• The clarity of detail in an image

• One element of a digital picture

• Measures how fine and smooth a digital picture is

• Measures how much focus a digital camera has.

What kind a wave is pictured?

• Analog wave

• Digital wave

• Radio wave

• Microwave

Tags

NGSS.MS-PS4-1

What kind a wave is pictured?

• Analog wave

• Digital wave

• Radiowave

• Microwave

Tags

NGSS.MS-PS4-3