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Physics Questions - All Grades

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Grade 6 Matter
Evaporation is when                                                                 .
  1. a substance changes from a liquid into a solid material.
  2. a substance changes from a liquid to a gas (or vapor) naturally.
  3. a substance changes from a gas (or vapor) into a liquid.
Grade 8 Matter
What is a gas?
  1. It has a definite shape and volume.
  2. It has a definite shape, but no definite volume.
  3. It has no definite shape or volume.
  4. It has no definite shape, but a definite volume.
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 6 Matter
What are states of matter?
  1. The temperature at which a liquid boils and becomes a gas.
  2. A law that states that for a fixed amount of gas at a constant temperature, the volume of the gas increases as its pressure decreases and the volume of the gas decreases as its pressure increases.
  3. A term used to describe a physical or chemical change in which energy is given of.
  4. The physical forms in which a substance can exist; includes solid, liquid, gas, and plasma.
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 7 Forces and Motion
When an unbalanced force acts on an object, the force                                         .
  1. changes the motion of the object
  2. is cancelled by another force
  3. does not change the motion of the object
  4. is equal to the weight of the object
Grade 5 Magnetism and Electricity
Grade 9 Heat Transfer
Friction causes kinetic energy to be converted into                  .
  1. potential energy
  2. thermal energy
  3. mechanical energy
  4. electrical energy
Grade 11 Forces and Motion
When an object is in free fall,                         .
  1. its speed stays the same
  2. it decelerates
  3. it accelerates
  4. none of the above
Grade 6 Forces and Motion
Average speed is equal to                .
  1. distance/time
  2. time/distance
  3. distance + time
  4. distance * time
Grade 5 Forces and Motion
Grade 5 Simple Machines
What is a pulley?
  1. a bar used to lift heavy objects.
  2. a wheel with a groove for a rope.
  3. made of two inclined planes.
  4. a lever with an arm and a fulcrum.
Grade 6 Forces and Motion
What does Newton's third law of motion state?
  1. An object in motion stays in motion unless a force acts on it.
  2. An object's acceleration (change in speed) depends on the mass of the object and the amount of force applied on it.
  3. An object at rest stays at rest unless a force acts on it.
  4. Every action has an equal and opposite reaction.
  5. Both A and C.
Grade 9 Simple Machines
Grade 9 Forces and Motion
The weight of an object                                                   .
  1. stays the same wherever the object is.
  2. changes if the object is in motion.
  3. stays the same as long as the object is in motion.
  4. changes if the force of gravity changes.
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