Wind power is increasingly used to generate electricity.
Which of these statements describe an advantage of using wind turbines, and which of them describe a disadvantage?
Complete the table by putting a tick (✓) in the correct column for each statement. The first one has been done for you.
| Statement | Advantage | Disadvantage |
|---|---|---|
| Wind turbines can be a source of visual and noise pollution | ✓ | |
| Wind turbines do not produce greenhouse gases during operation | ||
| Wind is a renewable source of energy | ||
| Wind is intermittent and does not always blow |
Describe how electricity may be generated using a hydroelectric power station.
533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.