Sound Vibrations and waves

Descripción

Science Test sobre Sound Vibrations and waves, creado por Thomas Shurmer el 07/06/2013.
Thomas Shurmer
Test por Thomas Shurmer, actualizado hace más de 1 año
Thomas Shurmer
Creado por Thomas Shurmer hace más de 11 años
63
2

Resumen del Recurso

Pregunta 1

Pregunta
Sound is a form of what
Respuesta
  • Energy
  • noise

Pregunta 2

Pregunta
Sounds are made when things do what
Respuesta
  • band together
  • vibrate

Pregunta 3

Pregunta
Which of the following can sound pass through
Respuesta
  • solids
  • liquids
  • vacuum
  • gases

Pregunta 4

Pregunta
The speed of sound is faster through materials that have particles that are closer together - true or false
Respuesta
  • true
  • false

Pregunta 5

Pregunta
sound energy moves in all directions because the particles move in all directions unless something stops them - true or false
Respuesta
  • true
  • false

Pregunta 6

Pregunta
the unit of frequency is called what
Respuesta
  • decibels
  • Hertz

Pregunta 7

Pregunta
Sound waves with a high frequency produce sounds with a
Respuesta
  • High pitch
  • Low pitch

Pregunta 8

Pregunta
The amplitude refers to what about a sound wave
Respuesta
  • the height of the sound wave
  • the distance between each wave

Pregunta 9

Pregunta
the loudness of a sound depends on what
Respuesta
  • the frequency of the sound wave
  • the amplitude of the sound wave

Pregunta 10

Pregunta
louder sounds have more or less energy
Respuesta
  • less
  • more

Pregunta 11

Pregunta
louder sounds have bigger or smaller amplitudes
Respuesta
  • bigger
  • smaller

Pregunta 12

Pregunta
sound waves travel through what before entering the ear
Respuesta
  • the air
  • a vacuum

Pregunta 13

Pregunta
sound waves cause the ear drum to do what
Respuesta
  • vibrate
  • buzz

Pregunta 14

Pregunta
the vibrations are passed onto the what
Respuesta
  • the cochlea
  • the brain

Pregunta 15

Pregunta
sounds cause what to vibrate
Respuesta
  • the ear drum
  • the ear lobe
  • the ear canal

Pregunta 16

Pregunta
people who are exposed to loud noises for long periods of time are at risk of what
Respuesta
  • going blind
  • damaging their hearing and going deaf
  • getting a head ache

Pregunta 17

Pregunta
to avoid loud noise damage people often wear what
Respuesta
  • hats
  • ear protection
  • glasses
  • a tie

Pregunta 18

Pregunta
unpleasant sound is often called what
Respuesta
  • noise
  • music
  • talking

Pregunta 19

Pregunta
your hearing can get bad due to which of the following
Respuesta
  • getting old
  • listening to loud music
  • illness
  • mums nagging

Pregunta 20

Pregunta
he loudness of a sound is measured in
Respuesta
  • decibels (dB)
  • volts (V)
  • amps (A)
  • watts (w)

Pregunta 21

Pregunta
The threshold of hearing is what
Respuesta
  • the loudest sound we can hear
  • the quietest sound we can hear
  • none of the above

Pregunta 22

Pregunta
soft materials do what
Respuesta
  • reflect sound
  • absorb sound

Pregunta 23

Pregunta
what materials are used for sound proofing
Respuesta
  • hard materials
  • soft materials

Pregunta 24

Pregunta
light energy can travel through space (a vacuum) but sound energy cannot - true or false
Respuesta
  • false
  • true

Pregunta 25

Pregunta
which travels faster light or sound
Respuesta
  • light
  • sound

Pregunta 26

Pregunta
light travels at what speed
Respuesta
  • 300 meters per second
  • 300 million meters per second
  • 3000 meters per second

Pregunta 27

Pregunta
sound travels at what speed
Respuesta
  • about 330 meters per second
  • about 3000 meters per second
  • about 3 meters per second

Pregunta 28

Pregunta
both light waves and sound waves can be reflected - true or false
Respuesta
  • true
  • false

Pregunta 29

Pregunta
when sound waves are reflected we call it what
Respuesta
  • a wave
  • an echo
  • a noise
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