Other questions in this quiz

2. Why are metals good conductors of heat?

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

3. What happens when a liquid evaporates?

  • The particles gain enough energy to escape the surface of the liquid
  • The particles lose energy rapidly which causes them to become lighter
  • The particles of liquid react with the gas around them to form molecules
  • The liquid particles pass on their energy to the gas surrounding them

4. When a gas condenses, what happens to the energy?

  • It increases, causing the particles to vibrate and join together
  • It is absorbed by the liquid causing the particles to move more
  • It is released and causes the temperature to increase
  • It is transferred to the container, cooling the surface

5. Why are flasks made from plastic?

  • Plastic is colder than metal
  • Plastic is a poor conductor
  • Plastic is warmer than metal
  • Plastic is a good conductor

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