Physics 1.1 - Energy Transfer

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1. Why are metals good conductors of heat?

  • The particles are tightly packed in rows
  • There is space between the particles for energy to pass
  • The particles are tightly packed and they contain free electrons
  • They contain free moving electrons
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Other questions in this quiz

2. When a liquid is heated, the particles...?

  • Contract
  • Fall
  • Rise
  • Expand

3. What is conduction?

  • Transfer of heat energy by vibrations and particle collisions
  • Transfer of heat energy by infrared radiation
  • Transfer of heat energy through movement
  • Transfer of heat energy by condensation and evaporation

4. What is created when a radiator heats the air around it?

  • Convection current
  • Radiation cycle
  • Convection cycle
  • Conduction current

5. An object will emit or absorb energy faster if...?

  • The object is coated in a layer of insulation such as foam
  • There is a big difference in temperature between it and its surroundings
  • The temperatures of it and its surroundings are the same
  • There is a small difference in temperature between it and its surroundings

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