CIE iGCSE Co-Ordinated Science P1.6.3 Energy resources Exam Style Questions Paper 1
▶️ Answer/Explanation
Non-renewable energy resources are those that cannot be replenished within a human timescale. They are finite and will eventually run out. Natural gas is a fossil fuel formed from the remains of ancient organisms over millions of years, so it is a non-renewable resource.
The other options are renewable energy resources:
- Geothermal — energy from the Earth’s internal heat, which is continuously produced.
- Tides — energy from the movement of tides, driven by the gravitational pull of the Moon and Sun, which is continuous.
- Wind — energy from moving air, driven by the Sun’s heating of the Earth’s surface, which is continuously replenished.
Therefore, natural gas is the non-renewable energy resource.
✅ Answer: (B)
▶️ Answer/Explanation
Combustion of fossil fuels (coal, oil, natural gas) releases carbon dioxide, a greenhouse gas. Nuclear fission, solar cells, and wind turbines do not produce CO₂ during electricity generation.
✅ Answer: (A)
✅ Answer: (A)
▶️ Answer/Explanation
Geothermal, nuclear and wind resources all generate electricity by using steam or moving air to spin a turbine connected to a generator.
Solar cells work differently: they convert light energy directly into electrical energy using the photovoltaic effect.
No rotating turbine is involved at any stage of this process.
✅ Answer: (C)
Solar cells work differently: they convert light energy directly into electrical energy using the photovoltaic effect.
No rotating turbine is involved at any stage of this process.
✅ Answer: (C)
▶️ Answer/Explanation
Wind is simply air that is moving.
Moving air has kinetic energy due to its motion.
The turbine blades are turned by this kinetic energy, which a generator then converts into electrical energy.
✅ Answer: (C)
Moving air has kinetic energy due to its motion.
The turbine blades are turned by this kinetic energy, which a generator then converts into electrical energy.
✅ Answer: (C)
▶️ Answer/Explanation
Non-renewable energy resources are fossil fuels that formed over millions of years and cannot be replaced within a human lifetime, such as oil and natural gas.
Geothermal resources, tides and wind are all renewable, since they are continuously available from natural ongoing processes.
The only pair that are both non-renewable is oil and natural gas.
✅ Answer: (B)
Geothermal resources, tides and wind are all renewable, since they are continuously available from natural ongoing processes.
The only pair that are both non-renewable is oil and natural gas.
✅ Answer: (B)