Other questions in this quiz

2. Why does a fluid become less dense when heated ?

  • this is because it expand so same amount of mass but in a larger volume
  • this is because some of the water evaporates
  • this is because you loose energy

3. What is the best colour for central heating radiator ?

  • Dull Black
  • Glossy White
  • Dull White
  • Glossy Black

4. Why is a painted object dull black colour better for absorbing energy

  • A dull black colour absorbs energy much quicker
  • It slowly absorbs energy

5. Why does a solid have a fixed volume ?

  • Solids don't move and they are hard
  • All the particles are held together in fixed positions
  • Solid particles move around so the volume stays the same


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