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Ninth Grade (Grade 9) Waves and Sound Questions

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Grade 9 Waves and Sound
Sound cannot travel through which of the following?
  1. airplane
  2. car
  3. elevator
  4. vacuum
Grade 9 Waves and Sound
Which of the following would be used to detect structural flaws in buildings?
  1. Gamma Rays
  2. Alpha Particles
  3. Beta Particles
  4. Radioactive Isotopes
Grade 9 Waves and Sound
The speed of sounds depends on               . (Select all answers that apply.)
  1. Elasticity
  2. Resonance
  3. Density
  4. Loudness
  5. Frequency
  6. Temperature
Grade 9 Waves and Sound

This question is a part of a group with common instructions. View group »

1 micron (μm) is 0.000001 meters. The wavelength of which type of radiation is best measured in microns?
  1. x-ray
  2. radio
  3. infrared
  4. microwave
Grade 9 Waves and Sound
A firefly shows an example of
  1. bioluminescence.
  2. chemiluminescence.
  3. phosphorescence.
  4. incandescence.
Grade 9 Waves and Sound
When you shake a rope up and down, you create a                wave.
  1. transverse
  2. compressional
  3. seismic
Grade 9 Waves and Sound
Which of the following affects the period of oscillation of a simple pendulum?
  1. length of the string
  2. angle of swing of the string
  3. mass of the bob
  4. amplitude of the oscillation
Grade 9 Waves and Sound
Sound can still travel through a vacuum.
  1. True
  2. False
Grade 9 Waves and Sound
In a standing wave, the point at which the medium doesn't move is called the
  1. antinode.
  2. node.
  3. compression.
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