Physics exercise (wave)

• 1. Through which of these can sound not travel?
  1. Wood
  2. Water
  3. Vacume
  4. Air

• 2. We measure the frequancy of a wave in...
  1. Meters
  2. Hertz
  3. Meters pre second
  4. Hertz per second

• 3. Large objects vibrate slowely and produce what kind of note?
  1. Low pitched
  2. High pitches
  3. Loud
  4. Quiet

• 4. Objects that vibrat with large amplitudes produce what kind of sounds?
  1. High pitch
  2. Quiet
  3. Low pitch
  4. Loud

• 5. We experance day and night on the Earth because...
  1. Mrs Lessnoff pushes it round
  2. the Earth is spinning
  3. the Earth needs to sleep
  4. the Earth is tilted

• 6. Why is the Earth tilted?
  1. It is sat in bed
  2. Mr Hudson ran into it
  3. It is on a axis
  4. It got hit by a rock

• 7. Which part of our body is made to vibrate by sound waves?
  1. Nerve Cells
  2. Brain
  3. Vocal Chords
  4. Eardrum

• 8. What carries a wave?
  1. medium
  2. wave
  3. heat
  4. rope

• 9. What is highest point of a wave called?
  1. amplitude
  2. trough
  3. crest
  4. compression

• 10. What is a wave?
  1. a vibration that transfer energy
  2. disturbance that transfer energy from every place
  3. energy disturbance
  4. a disturbance in water