Unit 8 Waves

Question 1

Early understanding of waves began with the study of _____

Answer 1

sound

Question 2

A disturbance that carries energy is called a

Answer 2

wave

Question 3

Waves in which the medium moves back and forth in the same direction as the waves

Answer 3

Longitudinal

Wave

Question 4

The two parts of a longitudinal wave

Answer 4

compression and rarefaction

Question 5

______ is the section of a longitudinal wave where particles are close together

Answer 5

compression

Question 6

______ is the section of a longitudinal wave where particles are far apart

Answer 6

rarefaction

Question 7

the distance between one point on a wave and the exact same place on the next wave
(how wide the wave is)

Answer 7

wavelength

Question 8

How many waves go past a point in one unit of time

Answer 8

frequency

Question 9

______ measures how far the medium moves from rest position

Answer 9

amplitude

Question 10

the highest point of the wave is called the

Answer 10

crest

Question 11

The trough is the _____ point of the wave

Answer 11

lowest =

Question 12

It is called _____ when waves bounce off a surface

Answer 12

reflection

Question 13

The bending of waves around an object

Answer 13

Diffraction

Question 14

The change in direction of a wave passing from medium to another medium

Answer 14

Refraction

Question 15

Compression waves are also known as ______ waves

Answer 15

longitudinal

Question 16

Waves with higher frequency have higher

Answer 16

energy

Question 17

As frequency goes up, what happens to wavelength?

Answer 17

Wavelength decreases

Question 18

Do you hear or see lightning first

Answer 18

see it

Question 19

If a wave has a frequency of 2 Hz and a wavelength of 3 m, what is the wave speed?

Answer 19

6 m/s