Lesson 4.3.1.2

4.3.1.2 Changes of state Quiz: AQA Physics, Unit 3

20 questions

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Lesson 4.3.1.2, Changes of state: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 3: Particle model of matter, written with Revision Ninja.

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The 20 questions

  1. What is the name of the change from solid to liquid?

    • Sublimating
    • Melting
    • Condensing
    • Freezing
  2. What is the name of the change from liquid to solid?

    • Melting
    • Freezing
    • Boiling
    • Evaporating
  3. What is the name of the change from gas to liquid?

    • Melting
    • Boiling
    • Condensing
    • Subliming
  4. What is the name of the change from solid directly to gas?

    • Sublimation
    • Condensation
    • Melting
    • Evaporation
  5. Which change of state is the exact reverse of sublimation?

    • Deposition
    • Condensation
    • Melting
    • Evaporation
  6. What happens to the total mass of a substance when it changes state?

    • It stays the same
    • It becomes zero
    • It always increases
    • It always decreases
  7. Which feature distinguishes a physical change from a chemical change?

    • New atoms are created
    • Mass is not conserved
    • Temperature must decrease
    • It is easily reversed
  8. A 2 kg block of ice melts into water. What is the mass of the water?

    • 1 kg
    • 0 kg
    • 4 kg
    • 2 kg
  9. Which process happens only at the surface of a liquid?

    • Boiling
    • Melting
    • Freezing
    • Evaporation
  10. What happens to the mass of an ice cube when it melts?

    • It increases
    • It decreases
    • It doubles
    • It remains unchanged
  11. What type of change is a change of state like melting?

    • Chemical change
    • Nuclear change
    • Thermal change
    • Physical change
  12. Which change of state releases thermal energy to the surroundings?

    • Evaporation
    • Condensation
    • Melting
    • Boiling
  13. Which of these is a physical change?

    • Rusting iron
    • Burning wood
    • Melting wax
    • Cooking an egg
  14. What happens to the total mass of a sealed jar of water when some evaporates?

    • It stays the same
    • It drops to zero
    • It increases
    • It decreases
  15. What does a flat horizontal section on a heating graph represent?

    • Constant cooling
    • Zero internal energy
    • Change of state
    • Rapid temperature rise
  16. Which change of state occurs when liquid water turns into water vapour below its boiling point?

    • Melting
    • Sublimation
    • Evaporation
    • Freezing
  17. Which pair of changes of state are the reverse of each other?

    • Melting and freezing
    • Evaporation and sublimation
    • Melting and boiling
    • Boiling and freezing
  18. Do gases have mass despite their particles being far apart?

    • Yes
    • No
    • Only when heated
    • Only under high pressure
  19. Which process happens throughout the liquid at its boiling point?

    • Boiling
    • Sublimation
    • Condensation
    • Evaporation
  20. How are particles arranged in a gas compared to a liquid?

    • Widely separated
    • Vibrating in place
    • In fixed lattices
    • Closely packed

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