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Third Grade (Grade 3) Physics Questions

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Grade 3 Magnetism and Electricity
All magnets have a                 pole and a                 pole.
  1. north; west
  2. north; south
  3. south; west
  4. south; east
Grade 3 Matter
How can a liquid become a solid?
  1. By something removing heat from it and slowing down the particles.
  2. By something removing heat from it and speeding up the particles.
  3. By something adding heat to it and slowing down the particles.
  4. By something adding heat to it and speeding up the particles.
Grade 3 Simple Machines
A lever moves on a fixed point called an axle.
  1. True
  2. False
Grade 3 Light and Optics
To see an object, there must be                .
  1. light
  2. energy
  3. mirrors
Grade 3 Heat Transfer
A material that slows the transfer of heat is called an insulator.
  1. True
  2. False
Grade 3 Magnetism and Electricity
Magnets contain a force that                 certain metals like iron.
  1. attracts
  2. increases
Grade 3 Waves and Sound
A high frequency creates                   .
  1. a low-pitch sound
  2. a high-pitch sound
  3. no sound
Grade 3 Matter
How are all solids alike?
  1. All solids have no shape, but take up a lot of space.
  2. All solids keep their shape no matter what.
  3. All solids keep their shape and volume unless something such as heat changes them.
  4. All solids have a definite volume unless you add water.
Grade 3 Waves and Sound
A teacher speaking is the sound source, and students listening with their ears are sound receivers.
  1. True
  2. False
Grade 3 Heat Transfer
Which of the following is a source of thermal energy?
  1. a thermostat
  2. the Sun
  3. a thermometer
  4. a cooler
Grade 3 Energy and Momentum
What is energy that you can see?
  1. shadow
  2. open circuit
  3. absorb
  4. light energy
Grade 3 Forces and Motion
The children are playing tug of war. They both pull on the rope. The rope moves to the left.
Pulling Force 1
Are the forces acting on the rope balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
Grade 3 Magnetism and Electricity
If you place a south pole of a magnet close to the south pole of another magnet, they will attract each other.
  1. True
  2. False
Grade 3 Forces and Motion
The soccer ball is on the ground. It is not moving.
Soccer Ball
Are the forces acting on the ball balanced or unbalanced?
  1. balanced forces
  2. unbalanced forces
Grade 3 Magnetism and Electricity
What are the two poles on a magnet?
  1. north and north
  2. south and north
  3. west and south
  4. south and south
Grade 3 Waves and Sound
What form of energy travels in straight lines from a light source?
  1. heat
  2. light
  3. motion
Grade 3 Magnetism and Electricity
A magnet is strongest at its poles.
  1. True
  2. False
Grade 3 Magnetism and Electricity
Magnets come in many shapes and sizes.
  1. True
  2. False
Grade 3 Heat Transfer
Thermal energy makes things colder.
  1. True
  2. False
Grade 3 Energy and Momentum
Gas is burned in a car engine. It is when a chemical energy changes into                 energy.
  1. mechanical
  2. heat
  3. electrical
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