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Ninth Grade (Grade 9) Waves and Sound Questions

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Grade 9 Waves and Sound
Frequency is measured in
  1. yards.
  2. Hertz.
  3. meters.
  4. decibels.
Grade 9 Waves and Sound
The pitch of a sound depends on its
  1. amplitude.
  2. elasticity.
  3. density.
  4. resonance.
  5. frequency.
Grade 9 Waves and Sound
Compared to visible light, the wavelength of ultraviolet light is
  1. longer.
  2. shorter.
  3. the same.
  4. brighter.
Grade 9 Waves and Sound
The full range of energy in sunlight can be described as
  1. ATP.
  2. visible light.
  3. electromagnetic radiation.
  4. ultraviolet light.
Grade 9 Waves and Sound
What is intensity measured in?
  1. Hertz
  2. Millimeters
  3. Decibels
  4. mph
Grade 9 Waves and Sound
Which waves have the highest frequency?
  1. gamma rays
  2. ultraviolet rays
  3. infrared rays
  4. radio waves
Grade 9 Waves and Sound
What is the type of invisible radiation from space that can be detected from Earth's surface?
  1. gamma rays
  2. X-rays
  3. infrared radiation
  4. radio waves
Grade 9 Waves and Sound
Which of the following electromagnetic wavelengths can the human eye detect?
  1. ultraviolet
  2. infrared
  3. orange light
  4. gamma rays
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