Module 9 Terms

Question 1

a repeating disturbance that transfers energy as it travels through matter or space

Answer 1

wave

Question 2

matter through which a wave travels

Answer 2

Medium

Question 3

A wave that can only travel through matter

Answer 3

Mechanical wave

Question 4

wave in which the matter in the medium moves at right angles to the direction of the wave, has crest and troughs

Answer 4

Transverse wave

Question 5

A wave in which the matter in the medium moves back and forth along the direction that the wave travels

Answer 5

Longitudinal wave

Question 6

Highest point of a wave

Answer 6

Crest

Question 7

The lowest point on a transverse wave

Answer 7

Trough

Question 8

denser region of a longitudinal wave

Answer 8

Compression

Question 9

The less-dense region of a longitudinal wave

Answer 9

Rarefaction

Question 10

Distance between one point on a wave and the nearest point just like it

Answer 10

Wavelength

Question 11

The number of wavelengths that pass a fixed point each second

Answer 11

Frequency

Question 12

A measure of the size of the disturbance of a wave, related to the energy that it carries

Answer 12

Amplitude

Question 13

The bending of a wave caused by a change in its speed as it travels from one medium to another

Answer 13

Refraction

Question 14

The bending of waves around and obstacle, can also occur when wave pass through a narrow opening

Answer 14

Diffraction

Question 15

The process of two or more wave overlapping and combining to form a new wave

Answer 15

Interference

Question 16

A wave pattern that forms when waves of equal wavelength and amplitude, but traveling in opposite directions, continuously interfere with each other; does not appear to be traveling

Answer 16

Standing wave

Question 17

A point in a standing wave at which the interfering waves always cancel

Answer 17

Node

Question 18

the process by which an object is made to vibrate by absorbing energy at its natural frequencies

Answer 18

Resonance