Module 24 Electromagnetic Spectrum

The electromagnetic (a)   depicts the range of all possible frequencies of electromagnetic radiation

Tags

NGSS.HS-PS4-4

True or False: The majority of "light" in the Universe is visible to our eyes

• True

• False

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NGSS.HS-PS4-4

NGSS.HS-PS4-3

Which type of radio waves have poorer sound quality compared with to the other, but is cheaper and can be transmitted over longer distances?

• AM

• FM

• PM

• Sirius

Tags

NGSS.MS-PS4-3

Which type of electromagnetic waves cause water molecules in your food to vibrate and heat your food?

• Radio

• Infrared

• Microwave

• Gamma

Tags

NGSS.MS-PS4-2

Infrared radiation is ___________ by materials and causes heat.

• Reflected

• Refracted

• Absorbed

• Transmitted

Tags

NGSS.MS-PS4-2

Tremendous amounts of information can be __________ through fiber optic cables using visible light.

• Reflected

• Refracted

• Absorbed

• Transmitted

Tags

NGSS.MS-PS4-2

Which of the following is NOT a use of ultraviolet rays?

• helps produce vitamin D in our skin

• germicidal, that can destroy bacteria, viruses and molds in the air, in water and on surfaces

• night vision and security cameras

• detect fake money

Tags

NGSS.MS-PS4-2

The higher the frequency of the wave, the more _____________ it can carry.

• energy

• information

• matter

• amplitude

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NGSS.HS-PS4-1

NGSS.HS-PS4-5

A machine that sends radio signals is called a ___________, while a machine that "picks up" the signals is called a ____________.

• transmitter; receiver

• receiver; transmitter

• transceiver; receiver

• transceiver; transmitter

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NGSS.MS-PS4-3

NGSS.MS-PS2-3

Which of the following technologies rely on radio waves to work?

• GPS

• Cell Phones

• Radio

• WiFi