Quiz on Solar Power and Engineered Lifespans Page 28

What is the main disadvantage of solar energy?

• Uses fossil fuels

• Requires sunlight

• Generates too much electricity

• Works at night

What is the purpose of photovoltaic cells in solar power?

• Store energy at night

• Turn a generator

• Generate electricity from sunlight

• Produce heat

What is one of the disadvantages of burning biomass for energy?

• Contributes to global warming

• Is more efficient than fossil fuels

• Does not produce any gases

• Ends up in landfill

What is planned obsolescence?

• Designing a product to last for a set period of time

• Using renewable energy sources

• Improving product quality

• Extending product lifespan

What is the function of a 'solar energy farm'?

• Grow crops

• Generate electricity on a large scale

• House animals

• Extract fossil fuels

What is the disadvantage of using biomass for energy compared to fossil fuels?

• Produces less global warming gases

• More expensive

• Easier to store

• Less efficient

What is the main factor affecting the efficiency of solar energy generation?

• Cost of land

• Size of the photovoltaic cells

• Sunlight availability

• Number of solar panels

What is the purpose of storing solar energy collected during the day?

• To use at night

• To reduce costs

• To increase efficiency

• To generate more electricity

What is the impact of a large solar energy farm on land use?

• Increases agricultural productivity

• Reduces cost of land

• Cannot be used for other processes

• Improves housing availability

What is the role of technology in improving solar energy generation?

• Increasing efficiency

• Decreasing costs

• Using more land

• Reducing sunlight requirements