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Ninth Grade (Grade 9) Physics Questions

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Grade 9 :: Heat Transfer by der1228
Friction causes kinetic energy to be converted into
  1. potential energy.
  2. thermal energy.
  3. mechanical energy.
  4. electrical energy.
Grade 9 :: Magnetism and Electricity by jlovering
Complete the following statement:

If you increase the resistance in a series circuit,                               .
  1. the current will also increase
  2. the current will decrease
  3. the voltage will increase
  4. the voltage will decrease
Grade 9 :: Magnetism and Electricity by jlovering
When you are at home, turning off a light usually does not turn off your T.V. This is because                                                            .
  1. most electrical devices in a house are on parallel circuits
  2. most electrical devices in a house are on series circuits
  3. they have different sources of voltage
  4. a T.V. does not require electricity
Grade 9 :: Waves and Sound by zvolanem
The speed of sounds depends on               ? (choose more than one)
  1. Elasticity
  2. Resonance
  3. Density
  4. Loudness
  5. Frequency
  6. Temperature
Grade 9 :: Waves and Sound by zvolanem
The pitch of a sound depends on its
  1. frequency
  2. resonance
  3. amplitude
  4. intensity
Grade 9 :: Waves and Sound by erinann02
The pitch of a sound depends on its
  1. amplitude
  2. elasticity
  3. density
  4. resonance
  5. frequency
Grade 9 :: Waves and Sound by erinann02
Frequency is measured in
  1. Yards
  2. Hertz
  3. Meters
  4. Decibels
Grade 9 :: Waves and Sound by erinann02
What is intensity measured in?
  1. Hertz
  2. Millimeters
  3. Decibels
  4. mph
Grade 9 :: Waves and Sound by zvolanem
A sound wave is an example of a:
  1. Transverse Wave
  2. Longitudinal Wave
  3. Primary Wave
  4. Secondary Wave
  5. Ocean Wave
Grade 9 :: Waves and Sound by zvolanem
Grade 9 :: Waves and Sound by zvolanem
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