Vocabulary123

Question 1

Frequency

Answer 1

the number of cycles a wave completes in a period of time; the number of times something happens in a period of time

Question 2

Period

Answer 2

The time needed for a complete cycle to pass a given point

Question 3

Wavelength

Answer 3

the distance between one peak and the next on a wave

Question 4

Crest

Answer 4

the highest point of a wave

Question 5

Trough

Answer 5

the lowest point of a wave

Question 6

Amplitude

Answer 6

height or “strength” of a wave

Question 7

Longitude Wave

Answer 7

a wave that occurs when the particles of a medium move parallel to the direction of the wave

Question 8

Electromagnetic Spectrum

Answer 8

the full range of frequencies of electromagnetic waves

Question 9

Transverse Wave

Answer 9

a wave that occurs when the particles of a medium are displaced perpendicularly to the direction of the wave

Question 10

Compression

Answer 10

occurs when rocks are squeezed by external forces directed toward one another to put stress on the rock, acting to decrease its volume or shorten its dimensions

Question 11

Rare fraction

Answer 11

The decrease in density in a longitudinal way

Question 12

Reflection

Answer 12

to strike a surface and bounce back in the opposite direction (related word: reflection)

Question 13

Refraction

Answer 13

to bend light as it passes through a material (related word: refraction)

Question 14

Diffraction

Answer 14

The bending of light as it passes through or around an object