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Fourth Grade (Grade 4) Mechanics Questions

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Grade 4 Forces and Motion
Force is                                  .
  1. the push or pull on an object
  2. when an object changes position
  3. a model built by an engineer
  4. a force that works against motion
Grade 4 Forces and Motion
Which of the following is considered an invisible force?
  1. Gravity
  2. Friction
  3. Air resistance
  4. All of the above
Grade 4 Energy and Momentum
The ability to cause a change is called                .
  1. kinetic energy
  2. thermal energy
  3. energy
  4. conduction
Grade 4 Forces and Motion
The following are examples of vibrations, EXCEPT for                          .
  1. sheet of paper on a desk
  2. electric motors in motion
  3. vocal cords talking
  4. motions of engines
Grade 4 Forces and Motion
The force that pulls any two objects toward each other is                .
  1. gravity
  2. length
  3. volume
  4. weight
Grade 4 Forces and Motion
Motion is
  1. the push or pull of an object.
  2. a force that works against motion.
  3. a model built by an engineer.
  4. when an object changes position.
Grade 4 Forces and Motion
A space shuttle started launching into space. It used a lot of force to fly up toward space. In which direction was the opposite force going?
  1. up
  2. down
  3. left
  4. right
Grade 4 Forces and Motion
A force that resists motion created by objects rubbing together is                .
  1. gravity
  2. friction
  3. speed
  4. force
Grade 4 Forces and Motion
The rate of change in distance an object travels in a given time describes its                   .
  1. position
  2. speed
  3. frame of reference
  4. energy
Grade 4 Forces and Motion
Term that describes a certain place.
  1. position
  2. motion
  3. friction
  4. force
Grade 4 Forces and Motion
A roller coaster car goes up and down because it is moved by                .
  1. force
  2. gravity
  3. inertia
  4. friction
Grade 4 Forces and Motion
A measure of the pull of gravity on objects.
  1. gravity
  2. volume
  3. weight
Grade 4 Forces and Motion
You can change the position or direction of motion of an object by pushing it or pulling it.
  1. True
  2. False
Grade 4 Forces and Motion
Which is a term for a change in an object's position over time?
  1. Position
  2. Motion
  3. Sir Isaac Newton
  4. Potential Energy
Grade 4 Forces and Motion
The idea that an object in motion will stay in motion unless an unbalanced force acts upon it.
  1. work
  2. inertia
  3. gravity
  4. kinetic energy
Grade 4 Forces and Motion
Which of the following is caused by the energy of motion?
  1. resistor
  2. friction
  3. conductor
  4. filament
Grade 4 Forces and Motion
What determines how much something weighs?
  1. pull of gravity
  2. amount of mass
  3. where it stays on Earth
  4. none of these
Grade 4 Forces and Motion
Another name for energy of motion is                   .
  1. frame of reference
  2. potential energy
  3. relative motion
  4. kinetic energy
Grade 4 Forces and Motion
Can objects be the same size, but weigh differently?
  1. Yes
  2. No
Grade 4 Forces and Motion
The force of gravity is what pulls a roller coaster car to Earth.
  1. True
  2. False
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