Electromagnetic waves

Electromagnetic waves do not require a medium to travel.

• True

• False

The more energy waves have, the more penetrating the are.

• True

• False

Tags

NGSS.MS-PS4-1

Cell phones transmit and receive ______ waves.

• infrared

• radio

• gamma

• micra

Visible light rays have more energy than Ultraviolet rays.

• True

• False

Which type of radio waves can travel great distances because they bounce off the atmosphere?

• FM

• AM

Tags

NGSS.MS-PS4-2

AM stands for _________ modulation.

• altitude

• alternating

• amplitude

Tags

NGSS.MS-PS4-1

How many satellites does the GPS system use to determine your location?

• 2

• 3

• 4

• 7

The difference between the different waves on the EM spectrum is ______________

• amplitude

• frequency

• wavelength

GPS stands for _______________ ________________ system.

• global placement

• global positioning

• gamma positioning

What is the description for x rays?

• used in cell phones

• allows you to see

• causes skin to tan

• can see broken bones

Tags

NGSS.MS-PS4-2