Lession 1-4

Question 0

The material through which a wave travels.

Answer 0

Medium

Question 1

A disturbance that transfers energy from one place to another

Answer 1

Wave

Question 2

Particles move back and forth in the same direction that the waves travel.

Answer 2

Longitudinal wave

Question 3

A type of wave that moves up and down

Answer 3

Transverse wave

Question 4

Waves that require a medium

Answer 4

Mechanical waves

Question 5

Disturbances in electric and magnetic fields

Answer 5

Electromagnet waves

Question 6

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

Answer 6

Amplitude

Question 7

The distance over which the waves shape repeats

Answer 7

Wavelength

Question 8

The time required to compleat a cycle

Answer 8

Wave period

Question 9

How many cycles occur in an amount of time.

Answer 9

Frequency

Question 10

One cycle per minute

Answer 10

Hertz

Question 11

Shapes such as circles or spears

Answer 11

Wavefront

Question 12

The speed at which the wave travels

Answer 12

Wave speed

Question 13

The transfer of energy as EM waves

Answer 13

Radiation

Question 14

Frequencies an EM wave can have

Answer 14

Electromagnetic(EM) spectrum

Question 15

Has longer wave lengths than red light

Answer 15

Infrared

Question 16

Has shorter wave lengths than violet light

Answer 16

Ultraviolet

Question 17

Matter that transmits light

Answer 17

Transparent

Question 18

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

Answer 18

Translucent

Question 19

Materials do not let light pass through them

Answer 19

Opaque

Question 20

Transfer light energy to matter

Answer 20

Absorption

Question 21

The bouncing of light off a surface

Answer 21

Reflection

Question 22

Change in direction in a wave as it passes from one medium to another

Answer 22

Refraction

Question 23

Occurs when light is sent in many directions

Answer 23

Scattering