science 2

Question 1

wave

Answer 1

a long body of water curling into an arched form and breaking on the shore.

Question 2

medium

Answer 2

the intervening substance through which impressions are conveyed to the senses or a force acts on objects at a distance.

Question 3

Transverse wave

Answer 3

a wave that oscillates perpendicularly to the direction of the wave’s advance

Question 4

Compressional wave

Answer 4

waves where the particle motion is in the same direction in which the wave is propagating.

Question 5

sound waves

Answer 5

pattern of disturbance caused by the movement of energy traveling through a medium

Question 6

water waves

Answer 6

aves propagating on the water surface

Question 7

seismic waves

Answer 7

a mechanical wave of acoustic energy that travels through the Earth or another planetary body.

Question 8

crest

Answer 8

The highest surface part of a wave.

Question 9

trough

Answer 9

lowest part of a wave

Question 9

rerefraction

Answer 9

diminution in the density of something, especially air or a gas.

Question 10

wavelength

Answer 10

the distance from one crest to another or from one trough to another.

Question 11

frequency

Answer 11

The frequency of a wave is the number of waves that pass a point in a certain period of time.

Question 11

amplitude

Answer 11

the maximum extent of a vibration or oscillation, measured from the position of equilibrium.

Question 11

refraction

Answer 11

the redirection of a wave as it passes from one medium to another.

Question 12

diffraction

Answer 12

the deviation of waves from straight-line propagation due to an obstacle or through an aperture

Question 13

interference

Answer 13

two coherent waves are combined by adding their intensities

Question 14

standing wave

Answer 14

a wave that oscillates in time but whose peak amplitude profile does not move in space.

Question 15

Resonance

Answer 15

the quality in a sound of being deep, full, and reverberating.

Question 16

eardrum

Answer 16

the membrane of the middle ear, which vibrates in response to sound waves; the tympanic membrane.

Question 17

cochlea

Answer 17

The cochlea is the part of the inner ear involved in hearing.

Question 18

intensity

Answer 18

the measurable amount of a property, such as force, brightness, or a magnetic field.

Question 19

audible

Answer 19

exceptional volume or intensity of sound; the fact or quality of being strongly audible

Question 20

decibel

Answer 20

how to measure the intensity of sound

Question 20

pitch

Answer 20

how high or low a sound is

Question 21

ultasonic

Answer 21

of or involving sound waves with a frequency above the upper limit of human hearing.

Question 22

Doppler effect

Answer 22

is the change in the frequency of a wave in relation to an observer

Question 23

music

Answer 23

the written or printed signs representing vocal or instrumental sound.

Question 24

sound quality

Answer 24

assessment of the accuracy, fidelity, or intelligibility of audio output

Question 25

overtone

Answer 25

a musical tone which is a part of the harmonic series above a fundamental note, and may be heard with it.

Question 26

resonator

Answer 26

removes high-pitched noises along with annoying hums and buzzes

Question 27

acoustics

Answer 27

the properties or qualities of a room or building that determine how sound is transmitted in it.

Question 28

echolocation

Answer 28

to determine the location of objects using reflected sound.