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Science: Renewable Energy Sources
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Avg score: 64% • Most missed: “Between 1800 and 1970, the world shifted from dependence on _______ fuels to ___…”
Science: Renewable Energy Sources
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25 Questions

1. Hydrogen is an incredibly _________________ gas

2. Almost all of electricity presently generated comes from big hydropower ______ (large scale hydropower)

3. Electrolysis

4. Hydropower is inexpensive - Once Under Construction -Producing the dam is _______________

5. 2 types of biomass fuels

6. US is the #___ of hydroelectricity

7. Hydropower is a stagnating industry (definition)

8. Passive and active solar systems: Building ________ facing structures with energy efficient windows that allow sunlight to enter building- super _____________

9. Passive and active solar systems

10. The hydrogen problem: Hydrogen gas is a __ compound in nature.

11. Denmark produces ______% of wind turbines

12. Disadvantage of wind power generation: 1) Need steady _______ 2) Need _________ power 3) Complaint- ______________________ 4) Impacts to _________________

13. A conversion to micro-hydropower would result in _______ losses.

14. Disadvantages of solar cells:

15. Canada is the #____ producer of hydroelectricity

16. Huge ranges in costs of hydropower operating costs- ____________ in most places

17. Advantage of hydropower: Very little greenhouse gas pollution or ______________air pollution

18. Micro-hydropower: Generate electricity for __________ consumption with mininmal impact to _________.

19. Hydropower: Generates ___% of worlds electricity, ____% in the US

20. Disadvantages of hydrogen: 1) ______ net energy yield 2) High __________ 3) Extremely ________

21. There are rooftop solar hot water heaters in ___________

22. ________ wind turbine produced in Denmark

23. Biomass fuels are a __________sources of energy, however they produce tremendous amounts of greenhouse gas __________ pollution

24. Advantages of hydrogen: 1) Can be produced from ________ 2) No direct __________ emissions 3) Substitute for ________ 4) High efficiency in __________ cells

25. Agua Caliente plant in Arizona: In operation since 2000 and is the world's _____________ solar-cell power plant. It produces enough electricity to power ___,________ homes.

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