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Seventh Grade (Grade 7) Physics Questions

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Grade 7 Heat Transfer
Which has the most thermal energy?
  1. 1 cup of cold water
  2. 1 gallon of cold water
  3. 1 cup of hot water
  4. 1 gallon of hot water
Grade 7 Energy and Momentum
What is the other name for heat energy?
  1. kinetic energy
  2. thermal energy
  3. potencial energy
  4. electromagnetic energy
Grade 7 Energy and Momentum
The ability to do work is                .
  1. force
  2. energy
  3. pulley
Grade 7 Energy and Momentum
A(n)                 converts mechanical energy to electrical energy.
  1. molecule
  2. atom
  3. electricity
  4. generator
Grade 7 Waves and Sound
As you blow in a straw while cutting pieces off, the pitch and vibration get                  .
  1. higher and faster
  2. lower and slower
  3. higher and slower
  4. lower and faster
Grade 7 Fluid Mechanics
Fluid pressure is always directed                  .
  1. upward
  2. downward
  3. sideways
  4. in all directions
Grade 7 Waves and Sound
Which statement correctly compares Wave A and Wave B?
Comparing Amplitudes
  1. Wave A has a greater amplitude than Wave B.
  2. Wave B has a greater amplitude than Wave A.
  3. Wave A has a greater wavelength than Wave B.
  4. Wave B has a greater wavelength than Wave A.
Grade 7 Forces and Motion
Marco and Janice are playing tug of war. Marco is pulling at a force of 10 Newtons South. Janice is pulling with a force of 12 Newtons North. What would be the likely outcome of this tug-of-war battle?
  1. 2 Newtons of force, North , Janice is winning
  2. 2 Newtons of force, South, Marco is winning
  3. 22 Newtons of force, North, Janice is winning
  4. 22 Newtons of force, South, Marco is winning
Grade 7 Fluid Mechanics
Why will a helium-filled balloon float in the air?
  1. There is more air than helium.
  2. Helium is less dense than air.
  3. Helium is as dense as air.
  4. Helium is more dense than air.
Grade 7 Waves and Sound
The highest point of a wave is called the trough.
  1. True
  2. False
Grade 7 Energy and Momentum
When energy changes from one form to another it is called                               .
  1. energy transformation
  2. energy shifting
  3. electromagnetic transformation
  4. Law of Conservation of Energy
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