DK Quiz Science & Technology Answers



DK Quiz Science & Technology Answers

DK Quiz Science & Technology Question and Answers, Cheats, for Easy , Medium, Hard on all level of the game. This game is developed by Dorling Kindersley at Dorling Kindersley Ltd.

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DK Quiz Alternative Energy Sources

These are the answer for DK Quiz Alternative Energy Sources Question and Answers, Cheats, for Easy , Medium, Hard on all level of the game. This game is developed by Dorling Kindersley at Dorling Kindersley Ltd.

1. Which of these is not considered a source of alternative energy?

Coal

2. Alternative energy sources are commonly created to reduce the burning of which fuel?

Fossil fuel

3. in the 19th century, what alternative form of energy replaced whale oil for use in lamps?

Petroleum

4. Which country is the largest producer of ethanol fuel in the world?

The USA

5. How many homes in the USA are powered solely by solar energy?

Over 10,000

6. The countries of which continent control the most offshore wind power?

Europe

7. From where does geothermal energy derive its hot water?

The Earth’s interior

8. What is the name of a plant-derived substitute for gasoline?

Biofuel

9. Which US agency began studying wind power in the 1970s?

NASA

10. In which decade was the first modern wind turbine built in Vermont, Canada?

The 1940s

11. For how many years has water power been used to grind grain?

Around 2,000

12. France is the largest producer of nuclear energy in Europe.

True

13. How many homes can be powered by the electricity produced by one wind turbine?

300

14. As an energy source, natural gas costs 15 times more than coal.

False

15. How much has the US government spent on the research and development of hydrogen fuel?

$1 billion

16. The people of Europe were running low on wood to use as fuel by the 1400s.

False

17. Which of these is not a concept for future alternative energy?

Bakelite

18. What are the two types of solar energy?

Thermal and electric energy

19. Which European country has the largest solar cell capacity?

Germany

20. When did Charles Fritts invent the first solar cell?

The 1880s

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