Waves

Question 1

A repeating disturbance or movement that transfers energy through matter or space

Answer 1

Wave

Question 2

The matter the waves travel through

Answer 2

Medium

Question 3

Matter in the medium moves back and forth at right angles to the direction

Answer 3

Transverse Wave

Question 4

Compressional waves

Answer 4

Sound Waves

Question 5

Matter in the medium moves back and forth along the same direction that the wave travels

Answer 5

Compressional wave

Question 6

Not purely transverse waves

Answer 6

Water Waves

Question 7

A combination of compressional and transverse waves

Answer 7

Seismic waves

Question 8

Alternating high points

Answer 8

Crests

Question 9

Low points

Answer 9

Troughs

Question 10

Less-dense region of a compressional wave is called

Answer 10

Rarefaction

Question 11

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

Answer 11

Wavelength

Question 12

The number of wavelengths that pass a fixed point each second

Answer 12

Frequency

Question 13

Related to the energy carried by a wave

Answer 13

Amplitude

Question 14

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

Answer 14

Refraction

Question 15

Occurs when an object causes a wave to change direction and bend around it

Answer 15

Diffraction

Question 16

When 2 or more waves overlap and combine to form a new wave

Answer 16

interference

Question 17

A special type of wave pattern that forms when waves equal in wavelength and amplitude

Answer 17

Standing wave

Question 18

An object is made to vibrate by absorbing energy at its natural frequencies

Answer 18

Resonance

Question 19

A tough membrane about .1 mm thick

Answer 19

Eardrum

Question 20

A spiral shaped structure that is filled with liquid and contains tiny hair cells

Answer 20

Cochlea

Question 21

The amount of energy that flows through a certain area in a specific amount of time

Answer 21

Intensity

Question 22

The human perception of sound intensity

Answer 22

Loudness

Question 23

Each unit on the scale for sound intensity

Answer 23

Decibel

Question 24

How high or low a sound seems to be

Answer 24

Pitch

Question 25

Sound frequencies above 20,000 Hz

Answer 25

Ultrasonic

Question 26

The change in pitch or wave frequency due to a moving wave source

Answer 26

Doppler effect

Question 27

Made of sounds that are deliberately used in a regular pattern

Answer 27

Music

Question 28

The differences among sounds of the same pitch and loudness

Answer 28

Sound Quality

Question 29

A vibration whose frequency is a multiple of the fundamental frequency

Answer 29

Overtone

Question 30

A hollow chamber filled with air that amplifies sound when the air inside of it vibrates

Answer 30

Resonator

Question 31

The study of sound

Answer 31

Acoustics

Question 32

The process of locating objects by emitting sounds and interpreting the sound waves that are reflected back

Answer 32

Echolocation