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Third Grade (Grade 3) Mechanics Questions

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Grade 3 Forces and Motion
What is the force that pulls objects to the center of Earth called?
  1. motion
  2. friction
  3. gravity
  4. acceleration
  5. force
Grade 3 Forces and Motion
This is required to move an object.
  1. motion
  2. friction
  3. gravity
  4. force
  5. acceleration
Grade 3 Forces and Motion
When something changes position, it is in                .
  1. motion
  2. friction
  3. gravity
  4. acceleration
  5. force
Grade 3 Forces and Motion
A force can change the direction of a moving object.
  1. True
  2. False
Grade 3 Forces and Motion
What is a force?
  1. a very loud noise
  2. a push or pull upon an object
Grade 3 Forces and Motion
A force is a                 or a                 that causes movement.
  1. push, taste
  2. push, pull
  3. pull, run
  4. pull, lift
Grade 3 Energy and Momentum
The energy from the Sun is an example of how light energy changes into                 energy.
  1. heat
  2. light
  3. sound
Grade 3 Energy and Momentum
The ability to move something or cause a change in matter is called                .
  1. energy
  2. matter
  3. sound
Grade 3 Forces and Motion
The greater the force, the less the change in the position of the object.
  1. True
  2. False
Grade 3 Energy and Momentum
What kind of energy is used by a skateboarder to roll down a hill?
  1. light
  2. sound
  3. electrical
  4. mechanical
Grade 3 Forces and Motion
A force cannot change the shape of an object.
  1. True
  2. False
Grade 3 Energy and Momentum
A kind of fuel such as gas, coal, oil, matches, wood, and food. It is called                 energy.
  1. motion
  2. sound
  3. chemical
Grade 3 Forces and Motion
The dog is pulling on the leash. The boy is also pulling on the leash. Neither the dog or the boy move.
Pulling Force 2
Are the forces acting on the leash balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
Grade 3 Energy and Momentum
The ability to do something is called                .
  1. motion
  2. energy
  3. work
Grade 3 Forces and Motion
                can be either a push or a pull.
  1. Force
  2. Operation
  3. Motion
  4. Plot
Grade 3 Forces and Motion
What pulls things down to the ground?
  1. environment
  2. gravity
  3. matter
Grade 3 Energy and Momentum
Coal, wood, and oil are used to heat homes. This is when chemical energy changes to                 energy.
  1. sound
  2. heat
  3. light
Grade 3 Energy and Momentum
A form of energy that you can hear. It moves in waves through air or water. An example would be when something vibrates. This energy is called                .
  1. light
  2. sound
  3. matter
Grade 3 Forces and Motion
A boy kicks a soccer ball. The ball rolls away from him.
Pushing Force 4
Are the forces acting on the ball balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
Grade 3 Forces and Motion
                is a change of position.
  1. Motion
  2. Force
  3. Factors
  4. Gravity
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