Science Voc Ch 12

Question 1

These are made by vibrating electric charges and can travel through a vacuum or through matter

Answer 1

Electromagnetic waves

Question 2

The energy carried by an electromagnetic wave

Answer 2

Radiant energy

Question 3

Electromagnetic wave can behave as a particle

Answer 3

Photon

Question 4

Low frequency electromagnetic waves with wavelengths longer than about 1 mm, used for communication

Answer 4

Radio wave

Question 5

Radio waves with wavelengths between about 1 m and 1 mm

Answer 5

Microwave

Question 6

Electromagnetic waves with wavelengths of 750 to 400 billionths of a meter that can be detected by human eyes

Answer 6

Visible light

Question 7

Electromagnetic waves that have a wavelength between about 1 mm and 750 billionths of a meter

Answer 7

Infrared waves

Question 8

Electromagnetic waves with wavelengths between about 400 billionths and 10 billionths of a meter

Answer 8

Ultraviolet waves

Question 9

Electromagnetic waves with wavelengths between about 10 billionths of a meter and 10 trillionth of a meter, they are often used for medical imaging

Answer 9

X-rays

Question 10

Electromagnetic waves with no mass and no charge that travels at the speed of light, wavelengths shorter than 10 trillionth

Answer 10

Gamma ray

Question 11

Specific frequency that a radio station is assigned and uses to broadcast signals

Answer 11

Carrier waves

Question 12

Sealed vacuum tube that produces one or more beams of electrons that produce an image when they strike the coating on the inside of a TV screen

Answer 12

Cathode-ray-tube

Question 13

Device that transmits one radio signal and receives another radio signal at the same time, allowing a cordless phone user to talk and listen at the same time

Answer 13

Transreceiver

Question 14

A system of satellites and ground positioning stations that enable a receiver to determine its location at or above Earth’s surface

Answer 14

Global Positioning System (GPS)