Renewable Energy Sources and Issues

The video explores energy types, focusing on renewable and non-renewable sources. It discusses the energy mix, highlighting the pros and cons of nuclear energy. A case study on Iceland illustrates the use of geothermal energy. The video concludes with a summary and additional resources.

What does the term 'energy mix' refer to?

• The combination of different energy sources used by a country.

• The process of mixing renewable and non-renewable energy.

• The balance between energy production and consumption.

• The ratio of fossil fuels to renewable energy in a country.

Which of the following is considered a non-renewable energy source?

• Hydroelectric power

• Fossil fuels

• Wind energy

• Solar energy

Why is nuclear energy considered a 'gray area' between renewable and non-renewable?

• It is not used in any country.

• It is as abundant as solar energy.

• It uses uranium, which is finite but has low emissions.

• It produces greenhouse gases.

Which renewable energy source uses moving water to generate electricity?

• Solar power

• Geothermal energy

• Hydroelectric power

• Wind power

What is a major concern associated with wind power?

• High cost of wind turbines

• Limited availability of wind

• Unattractive appearance and impact on birds

• High carbon emissions

What geographical feature allows Iceland to generate significant geothermal energy?

• Its proximity to the equator

• Its location on tectonic plate boundaries

• Its large desert areas

• Its extensive forest cover

What percentage of Iceland's electricity comes from renewable sources?

• Almost 100%

• 70%

• 85%

• 50%

Why is solar energy not widely used in Iceland?

• High cost of solar panels

• Limited sunlight due to high latitude

• High maintenance requirements

• Lack of government support

What is one advantage of Iceland's geothermal power plants?

• They are unreliable.

• They have high maintenance costs.

• They produce high carbon emissions.

• They can be tourist attractions.

What is a potential disadvantage of enhanced geothermal systems?

• They can trigger earthquakes.

• They are too expensive to build.

• They require a lot of water.

• They produce a lot of waste.