Vocabulary

Question 1

Medium

Answer 1

Is any substance that a wave moves through

Question 2

Reflection

Answer 2

The bouncing back of a wave after it strikes a barrier

Question 3

Diffraction

Answer 3

Is the spreading out of waves through an opening or around the edge of an obstacle.

Question 4

Interferance

Answer 4

Is the meeting and combining of waves.

Question 5

Transmission

Answer 5

Is the passage of an EM wave through the medium.

Question 6

Absorpotion

Answer 6

Is the disappearance of an EM wave into an medium.

Question 7

Scattering

Answer 7

Is the spreading out of light rays in all directions, because particles reflect and absorb the light.

Question 8

Crest

Answer 8

Is the highest point , or peak of a wave.

Question 9

Trough

Answer 9

Is the lowest point, or valley, of a wave.

Question 10

Refracction

Answer 10

Is the bending of a wave as it enters a new medium at an angle other than 90 degrease.

Question 11

Electromagnetic spectrum

Answer 11

Is the range of all the EM frequencies

Question 12

Polaization

Answer 12

Is a quality of light in which all of its waves vibrate in the same direction

Question 13

Prism

Answer 13

Is a tool that uses refraction to spread out the different wavelengths that make up white lights.

Question 13

Primary colors

Answer 13

These three colors of light, which can be mixed to produce all possible colors.

Question 14

Primary pigments

Answer 14

Materials that are used to produce colors.

The colors are crayn, yellow, magenta.

Question 15

Amplitude

Answer 15

Is a transverse wave is the distance between a line through the middle of a wave and a crest or trough.

Question 16

Wavelength

Answer 16

Is the distance from one wave crest to the very next crest.

Question 17

Frequency

Answer 17

Is the number of waves passing a fixed point in a certain amount of time

Question 18

Visible light

Answer 18

Is the part of the EM spectrum that human eyes can see.

Question 19

Infrared light

Answer 19

Is the part of the spectrum consists of the EM frequencies between microwaves and visible light.

Question 20

Ultraviolet light

Answer 20

Is the part of the EM spectrum consists of frequencies above those of visible light and partially below those of X rays.

Question 21

X rays

Answer 21

Have frequencies from about 10.16 HZ to 10.12 HZ.

Question 22

Gamma rays

Answer 22

Have frequencies from about 10.19 HZ to more than 10.24 HZ.

Question 23

Waves

Answer 23

Is a disturbance that transfers energy from one place to another.

Question 24

Mechanical waves

Answer 24

Are waves that transfer energy through matter

Question 26

Longititudal waves

Answer 26

A longitudinal wave is a wave that can be started in a spring by moving it forward or backward.

Question 28

Radio waves

Answer 28

Are EM waves that have the longest wavelengths, the lowest frequencies, and the lowest energies.

Question 28

Microwaves

Answer 28

Are EM waves with shorter wavelengths , higher frequencies, and higher energy than other radio waves.

Question 29

Transfer waves

Answer 29

Is the direction in which the wave travels is perpendicular, or at the right angles, to the direction of the disturbance.