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Ninth Grade (Grade 9) Physics Questions

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Grade 9 Energy and Momentum
Which form of energy does a plant store when light is transformed during photosynthesis?
  1. chemical energy
  2. thermal energy
  3. mechanical energy
  4. electrical energy
Grade 9 Forces and Motion
Grade 9 Forces and Motion
Newton's Third Law gets help from the first two laws. Which aspects of those laws are necessary to help explain Newton's Third Law of Motion? Select all answers that apply.
  1. An object in motion tends to stay in motion
  2. An object at rest tends to stay at rest
  3. Force equals mass times acceleration
  4. The greater the mass is, the greater the force necessary to accelerate that mass is
  5. The acceleration of an object is parallel and directly proportional to the force created
  6. For every action, there is an equal and opposite reaction
  7. Apples hurt when they land on your head
Grade 9 Heat Transfer
Grade 9 Waves and Sound
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 Forces and Motion
Grade 9 Energy and Momentum
Energy stored in the bonds between atoms is called
  1. kinetic energy.
  2. mechanical energy.
  3. chemical energy.
  4. thermal energy.
Grade 9 Waves and Sound
Waves not only move up and down, but also move
  1. forwards.
  2. backwards.
  3. none of the above.
  4. a and b.
Grade 9 Forces and Motion
Grade 9 Forces and Motion
An astronaut drops a hammer and an egg while standing on the surface of the Moon. Which one will hit the surface first?
  1. the egg
  2. the hammer
  3. both will land at the same time
  4. neither, both will float off into space
Grade 9 Forces and Motion
Newton's First Law is also known as
  1. The Law of Velocity.
  2. The Law of Gravity.
  3. The Law of Inertia.
  4. The Law of Conservation.
  5. The Law of the Land.
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