Lesson 1 - 4

Question 0

is a disturbance that transfers energy from one place to another

Answer 0

Wave

Question 1

Wave

Answer 1

is a disturbance that transfers energy from one place to another

Question 2

Medium

Answer 2

is the material through which a wave travels

Question 3

is the material through which a wave travels

Answer 3

Medium

Question 4

Longitudinal wave

Answer 4

Particles move back & forth in the same direction that the wave travels , or parallel to the wave

Question 5

Parties move back & forth in the same direction that the wave travels or parallel to the wave

Answer 5

Longitudinal wave

Question 6

Transverse wave

Answer 6

Particles move perpendicularly to the direction the wave travels

Question 7

Particles move perpendicularly to the direction the wave travels

Answer 7

Transverse wave

Question 8

Mechanical waves

Answer 8

Waves can travel through more than one medium

Question 9

Travel through more than one medium

Answer 9

Mechanical waves

Question 10

Electromagnetic waves

Answer 10

Are disturbances in electric and magnetic fields

Question 11

Are disturbances in electric and magnetic fields

Answer 11

Electromagnetic waves

Question 12

Amplitude

Answer 12

Measure of how far particles in the medium move away from their normal rest position

Question 13

Is the measure of how far particles in the medium move away from their normal rest position

Answer 13

Amplitude

Question 14

Wavelength

Answer 14

Is the distance over which the wave’s shape repeats

Question 15

Is the distance over which the wave’s shape repeats

Answer 15

Wavelength

Question 16

Wave period

Answer 16

Is the time required for one cycle

Question 17

Is the time required for one cycle

Answer 17

Wave period

Question 18

Frequency

Answer 18

Tells you how many cycles occur in a amount of time

Question 19

Tells you how many cycles occur in a amount of time

Answer 19

Frequency

Question 20

Hertz

Answer 20

Is equal to one cycle per second

Question 21

Is equal to one cycle per second

Answer 21

Hertz

Question 22

Wavefronts

Answer 22

Moves farther from the source , it becomes larger

Question 23

Moves farther from the source , it becomes larger

Answer 23

Wavefronts

Question 24

Wave speed

Answer 24

Depends on the properties of the medium

Question 25

Depends on the properties of the medium

Answer 25

Wave speed

Question 26

Radiation

Answer 26

Is the transfer of energy as EM waves

Question 27

Is the transfer of energy as EM waves

Answer 27

Radiation

Question 28

Electromagnetic (EM) spectrum

Answer 28

EM waves are the same type of wave as the light were used to

Question 29

EM waves are the same type of wave as the light were used to

Answer 29

Electromagnetic (EM) spectrum

Question 30

Infrared

Answer 30

Has slightly longer wavelengths than red light

Question 31

Has slightly longer wavelengths then red light

Answer 31

Infrared

Question 32

Ultraviolet

Answer 32

Has slightly shorter wavelengths than violet light

Question 33

Has slightly shorter wavelengths than violet light

Answer 33

Ultraviolet

Question 34

Transparent

Answer 34

Air , water , and some types of glass are transparent materials

Question 35

Air , water and some types of glass and transparent materials

Answer 35

Transparent

Question 36

Translucent

Answer 36

Materials transmit light but do not let the light travel straight through

Question 37

Materials transmit light but do not let the light travel straight through

Answer 37

Translucent

Question 38

Opaque

Answer 38

Materials do not let any light pass through them

Question 39

Materials do not let any light pass through them

Answer 39

Opaque

Question 40

Absorption

Answer 40

Is the transfer of light energy to matter

Question 41

Is the transfer of light energy to matter

Answer 41

Absorption

Question 42

Reflection

Answer 42

The bouncing of light off a surface

Question 43

The bouncing of light off a surface

Answer 43

Reflection

Question 44

Refraction

Answer 44

Is the change in direction of a wave as it passes from one medium into another at a angle

Question 45

Is the change in direction of a wave as it passes from one medium into another at a angle

Answer 45

Refraction

Question 46

Scattering

Answer 46

Occurs when light is sent in May directions as it passes through a medium

Question 47

Occurs when light is sent in many directions as it passes through a medium

Answer 47

Scattering