Lesson 4.3.2.3
4.3.2.3 Changes of state and specific latent heat Quiz: AQA Physics, Unit 3
20 questions
In partnership with Revision Ninja
Lesson 4.3.2.3, Changes of state and specific latent heat: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 3: Particle model of matter, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What is the equation for calculating the energy needed for a change of state?
- Force x distance
- Power x time
- Mass x specific heat capacity
- Mass x specific latent heat
-
What is the SI unit for specific latent heat?
- Joules per degree Celsius
- Joules
- Watts
- Joules per kilogram
-
What change of state does specific latent heat of fusion apply to?
- Gas to liquid
- Solid to liquid
- Solid to gas
- Liquid to gas
-
Which change of state involves the specific latent heat of vaporisation?
- Liquid to vapour
- Solid to vapour
- Solid to liquid
- Liquid to solid
-
What is held constant during a change of state when using latent heat?
- Total volume
- Internal energy
- Temperature
- Particle speed
-
Using L = 334000 J/kg, how much energy is needed to melt 0.5 kg of ice at 0 degrees Celsius?
- 668000 J
- 167000 J
- 33400 J
- 334000 J
-
Using L = 2.26 x 10 to the power of 6 J/kg, how much energy is needed to boil 2 kg of water?
- 452000 J
- 4520000 J
- 1130000 J
- 2260000 J
-
A substance needs 50000 J to change state, with specific latent heat 200000 J/kg. What mass changes state?
- 10000000 kg
- 2.5 kg
- 4 kg
- 0.25 kg
-
A 0.2 kg sample changes state using 60000 J. What is its specific latent heat?
- 300000 J/kg
- 12000 J/kg
- 3000 J/kg
- 3000000 J/kg
-
How much energy is needed to melt 0.8 kg of ice, with L = 334000 J/kg?
- 267200 J
- 2672 J
- 334000 J
- 41750 J
-
Energy of 668000 J melts a solid of specific latent heat 334000 J/kg. What mass melts?
- 4 kg
- 2 kg
- 334000 kg
- 0.5 kg
-
Which two measurements are needed to find specific latent heat of fusion?
- Current and voltage
- Force and distance
- Volume and pressure
- Energy and mass
-
What type of energy changes while a solid melts at a constant temperature?
- Gravitational energy
- Kinetic energy
- Potential energy
- Chemical energy
-
How much energy is released when 3 kg of water freezes, with L = 334000 J/kg?
- 334000 J
- 3000 J
- 1002000 J
- 111333 J
-
Which latent heat is significantly larger for water?
- Condensation
- Fusion
- Vaporisation
- Sublimation
-
How much energy is needed to boil 0.1 kg of water, with L = 2.26 x 10 to the power of 6 J/kg?
- 2260000 J
- 22600 J
- 226000 J
- 2260 J
-
What happens during evaporation of sweat from the skin?
- Energy is released
- Temperature increases
- Energy is absorbed
- Mass increases
-
What does specific latent heat change in a substance?
- State
- Density
- Volume
- Temperature
-
A student uses L = 300000 J/kg for a 0.4 kg sample changing state. What energy is needed?
- 750000 J
- 1200 J
- 120000 J
- 12000 J
-
How much energy is released when 0.6 kg of water freezes, with L = 334000 J/kg?
- 556667 J
- 200400 J
- 2004 J
- 334000 J
Related quizzes
- Density of materials Quiz · 4.3.1.1 · 20 questions
- Changes of state Quiz · 4.3.1.2 · 20 questions
- Internal energy Quiz · 4.3.2.1 · 20 questions
- Temperature changes in a system and specific heat capacity Quiz · 4.3.2.2 · 20 questions
- Particle motion in gases Quiz · 4.3.3.1 · 20 questions
- Pressure in gases (physics only) Quiz · 4.3.3.2 · 20 questions
- Increasing the pressure of a gas (physics only) (HT only) Quiz · 4.3.3.3 · 20 questions
- Energy stores and systems Quiz · 4.1.1.1 · 20 questions
- Standard circuit diagram symbols Quiz · 4.2.1.1 · 20 questions
- The structure of an atom Quiz · 4.4.1.1 · 20 questions