Lesson 6.1.1.3
6.1.1.3 Energy changes in systems Quiz: AQA Combined Science, Unit 18
20 questions
In partnership with Revision Ninja
Lesson 6.1.1.3, Energy changes in systems: 20 multiple choice questions for the AQA GCSE Combined Science (8464), Unit 18: Energy, 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
-
Which equation is used to calculate changes in thermal energy?
- ΔE = mcΔΘ
- ΔE = 0.5mv^2
- ΔE = mgh
- ΔE = 0.5ke^2
-
What is the standard unit of specific heat capacity?
- J/kg ℃
- N/kg
- J/kg
- J/ ℃
-
What is defined as the energy needed to raise 1 kg of a substance by 1 ℃?
- Specific latent heat
- Specific heat capacity
- Thermal conductivity
- Power rating
-
In the thermal energy equation, what unit is used for temperature change?
- Newtons
- Kelvin only
- Degrees Celsius
- Joules
-
What main energy conversion occurs during the specific heat capacity practical?
- Electrical to thermal
- Thermal to potential
- Chemical to kinetic
- Elastic to electrical
-
Which quantity is needed to find the energy for a given temperature rise?
- Gravitational field strength
- Resistance
- Specific heat capacity
- Spring constant
-
What is the unit of change in thermal energy?
- Coulomb
- Watt
- Joule
- Newton
-
What is the unit of mass in the thermal energy equation?
- Gram per second
- Metre
- Joule
- Kilogram
-
How much energy is needed to warm 0.5 kg of water (c = 4200 J/kg C) by 10 C?
- 2100 J
- 42000 J
- 21000 J
- 420 J
-
How much energy is stored when a 2 kg copper block (c = 390 J/kg C) warms by 5 C?
- 19500 J
- 3900 J
- 390 J
- 780 J
-
How much temperature rise does 8400 J give to 1 kg of water (c = 4200 J/kg C)?
- 2 C
- 4 C
- 8 C
- 20 C
-
An aluminium block (c = 900 J/kg C) warms by 20 C and gains 18000 J. What is its mass?
- 0.5 kg
- 2 kg
- 4 kg
- 1 kg
-
If the mass doubles, with the same material and temperature change, how does the thermal energy change?
- It quadruples
- It is unchanged
- It doubles
- It halves
-
What unit is specific heat capacity measured in?
- J/kg°C
- W/kg°C
- J/°C
- J/kg
-
A heater supplies 5000 J to 2 kg of water (c = 4200 J/kg C), with all energy going to the water. What is the temperature rise?
- About 0.06 C
- About 60 C
- About 0.6 C
- About 6 C
-
If equal masses of A and B receive equal energy and A's temperature rises more, which has higher specific heat capacity?
- B
- Cannot tell
- A
- Both equal
-
A 0.2 kg block warms by 4 C when 336 J is transferred. What is its specific heat capacity?
- 420 J/kg C
- 84 J/kg C
- 42 J/kg C
- 4200 J/kg C
-
Why is some thermal energy lost to the surroundings during heating experiments?
- Dissipation
- Reflection
- Destruction
- Creation
-
What energy is needed to warm 1 kg of water by 10 degrees Celsius?
- 21000 J
- 4200 J
- 42000 J
- 84000 J
-
In the specific heat capacity practical, what does measuring electrical energy determine?
- Radiation output rate
- Total kinetic energy
- Chemical store mass
- Thermal energy change
Related quizzes
- Eukaryotes and prokaryotes Quiz · 4.1.1.1 · 20 questions
- Principles of organisation Quiz · 4.2.1 · 20 questions
- Communicable (infectious) diseases Quiz · 4.3.1.1 · 20 questions
- Photosynthetic reaction Quiz · 4.4.1.1 · 20 questions
- Homeostasis Quiz · 4.5.1 · 20 questions
- Sexual and asexual reproduction Quiz · 4.6.1.1 · 20 questions
- Communities Quiz · 4.7.1.1 · 20 questions
- Atoms, elements and compounds Quiz · 5.1.1.1 · 20 questions
- Animal and plant cells Quiz · 4.1.1.2 · 20 questions
- The human digestive system Quiz · 4.2.2.1 · 20 questions