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Eighth Grade (Grade 8) Heat Transfer Questions

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Grade 8 Heat Transfer
Grade 8 Heat Transfer
Grade 8 Heat Transfer
What is convection?
  1. Transfer of heat by the movement of currents within a fluid
  2. Transfer of heat from one particle to another without the movement of matter
  3. The transfer of energy by electromagnetic waves
  4. A conductor
  5. An insulator
Grade 8 Heat Transfer
Which of the following energy transfers would be correct?
  1. Thermal energy from a hot drink is transferred to cold hands.
  2. Thermal energy from the refrigerator is transferred to a hot pie in the refrigerator.
  3. An ice cube loses thermal energy to a hot cup of tea as it melts.
Grade 8 Heat Transfer
Circle the following materials that would make good conductors
  1. Copper
  2. Glass
  3. Plastic
  4. A sweatshirt
  5. Gold
  6. Wood
  7. Rubber
  8. Aluminum
Grade 8 Heat Transfer
Which transfers thermal energy better?
  1. A conductor
  2. An insulator
Grade 8 Heat Transfer
Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot?
  1. The hot water causes a chemical reaction to take place in the spoon.
  2. The heat from the hot water is conducted to the spoon handle.
  3. The hot water heats the air surrounding the upper part of the spoon.
  4. The hot water causes a physical change in the spoon handle.
Grade 8 Heat Transfer
Which of the following is not a form of heat transfer?
  1. conduction
  2. convection
  3. transpiration
  4. radiation
Grade 8 Heat Transfer
The faster the particles of a gas are moving, the
  1. lower their energy and the higher their temperature.
  2. greater their energy and the lower their temperature
  3. lower their energy and the lower their temperature.
  4. greater their energy and the higher their temperature.
Grade 8 Heat Transfer
Grade 8 Heat Transfer
Grade 8 Heat Transfer
When energy is added to a liquid without changing its phase, the particles will...
  1. move faster
  2. be arranged more disorderly
  3. move away from their fixed positions
  4. move further apart
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