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How sound travels through solids, liquids and gases

7th grade (Year 8 in England) · 16 questions · Common Core: NGSS.MS-PS4-2 · England: KS3 Physics: Waves (sound)

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  1. Question 1

    How sound travels: which statement is NOT true?

    • A. Whales can communicate over long distances underwater.
    • B. Sound travels faster in water than in air.
    • C. In a sound wave, air particles travel all the way from the source to your ear.
    • D. Sound cannot travel through a vacuum.
  2. Question 2

    Sound travels at about 5000 m/s in steel. How far does it travel in 3 s, in m?

    Answerm

  3. Question 3

    An alarm clock rings inside a jar. As the air is pumped out, the ringing gets quieter. Why?

    • A. Sound needs particles to travel through, and there are fewer left
    • B. The clock stops ringing
    • C. Air makes sound quieter
    • D. Glass absorbs all sound
  4. Question 4

    How sound travels: which statement is NOT true?

    • A. Whales can communicate over long distances underwater.
    • B. Sound cannot travel through a vacuum.
    • C. Sound travels faster than light.
    • D. Sound travels faster in water than in air.
  5. Question 5

    Sound travels at about 5000 m/s in steel. How far does it travel in 5 s, in m?

    Answerm

  6. Question 6

    An alarm clock rings inside a jar. As the air is pumped out, the ringing gets quieter. Why?

    • A. The clock stops ringing
    • B. Glass absorbs all sound
    • C. Air makes sound quieter
    • D. Sound needs particles to travel through, and there are fewer left
  7. Question 7

    How sound travels: which statement is NOT true?

    • A. Sound travels faster in water than in air.
    • B. Sound travels faster than light.
    • C. Sound cannot travel through a vacuum.
    • D. Sound waves are longitudinal.
  8. Question 8

    Sound travels at about 1500 m/s in water. How far does it travel in 4 s, in m?

    Answerm

  9. Question 9

    Astronauts on a spacewalk talk by radio. Why can't they just shout?

    • A. Space is a near vacuum, so sound cannot travel between them
    • B. Space is too cold for sound
    • C. Their voices are too quiet
    • D. Radio waves are a type of sound
  10. Question 10

    How sound travels: which statement is NOT true?

    • A. Sound waves are longitudinal.
    • B. Sound travels faster in water than in air.
    • C. Whales can communicate over long distances underwater.
    • D. Sound travels faster than light.
  11. Question 11

    Sound travels at about 340 m/s in air. How far does it travel in 5 s, in m?

    Answerm

  12. Question 12

    An alarm clock rings inside a jar. As the air is pumped out, the ringing gets quieter. Why?

    • A. The clock stops ringing
    • B. Sound needs particles to travel through, and there are fewer left
    • C. Air makes sound quieter
    • D. Glass absorbs all sound
  13. Question 13

    How sound travels: which statement is NOT true?

    • A. Sound waves are longitudinal.
    • B. Sound travels faster in water than in air.
    • C. Sound travels fastest in gases.
    • D. Sound cannot travel through a vacuum.
  14. Question 14

    Sound travels at about 340 m/s in air. How far does it travel in 5 s, in m?

    Answerm

  15. Question 15

    An alarm clock rings inside a jar. As the air is pumped out, the ringing gets quieter. Why?

    • A. The clock stops ringing
    • B. Sound needs particles to travel through, and there are fewer left
    • C. Air makes sound quieter
    • D. Glass absorbs all sound
  16. Question 16

    How sound travels: which statement is NOT true?

    • A. Whales can communicate over long distances underwater.
    • B. Sound cannot travel through a vacuum.
    • C. Sound travels faster in water than in air.
    • D. Sound travels faster than light.

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  1. In a sound wave, air particles travel all the way from the source to your ear.
  2. 15000 m
  3. Sound needs particles to travel through, and there are fewer left
  4. Sound travels faster than light.
  5. 25000 m
  6. Sound needs particles to travel through, and there are fewer left
  7. Sound travels faster than light.
  8. 6000 m
  9. Space is a near vacuum, so sound cannot travel between them
  10. Sound travels faster than light.
  11. 1700 m
  12. Sound needs particles to travel through, and there are fewer left
  13. Sound travels fastest in gases.
  14. 1700 m
  15. Sound needs particles to travel through, and there are fewer left
  16. Sound travels faster than light.