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Energy Efficiency And Renewable Energy Revolution

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Mixture of steam and water droplets






2. Photovoltaic cells - or solar cells. Transparent wafer with a semiconductor material hanging and creates an electrical current






3. Initial cost plus lifetime opperating cost






4. Low dam is built across a stream






5. The percentage of total input into a conversion device or system that does useful work and is not converted to useless heat






6. Stores hydrogen above or below ground - very expensive






7. Use bowls basically to store sunlight






8. Department of Energy






9. Ocean Thermal Energy Conversion






10. Central retriever system that uses mirrors to collect heat






11. Homes with walls made of bales covered with plaster or adobe






12. Where hydrogen and oxygen are combined to produce electrical currents - have no moving parts - are quiet - only emit water or heat - and are more reliable






13. Use bowls basically to store sunlight






14. Department of Energy






15. Organic material that can be used as fuels






16. Use of passive solar energy and solar cells






17. Combined heat and power CHP - two useful materials are produced from the same fuel source.






18. Collectors absorb energy and a fan or pump supplies part of the building's space heating






19. Distributed reciever system with sunlight collected and focused on pipes






20. Absorbs and stores heat from the sun directly within a structure. Example is greenhouse






21. Organic material that can be used as fuels






22. Collectors absorb energy and a fan or pump supplies part of the building's space heating






23. Steam with no water droplets






24. Distributed reciever system with sunlight collected and focused on pipes






25. Low dam is built across a stream






26. Produces hydrogen by using chemical processes and high temperatures to seperate hydrogen atoms from carbon






27. Energy of the entire delivery process - determined by efficiency of each step of the procedure






28. Dam is built across a large river to create a resevoir - uses turbines






29. Initial cost plus lifetime opperating cost






30. Pumps using surplus electricity from a powerplant pump water from one lake to another






31. Ocean Thermal Energy Conversion






32. Photovoltaic cells - or solar cells. Transparent wafer with a semiconductor material hanging and creates an electrical current






33. Absorbs and stores heat from the sun directly within a structure. Example is greenhouse






34. Dam is built across a large river to create a resevoir - uses turbines






35. The percentage of total input into a conversion device or system that does useful work and is not converted to useless heat






36. Mixture of steam and water droplets






37. Steam with no water droplets






38. Use of passive solar energy and solar cells






39. Stores hydrogen above or below ground - very expensive






40. Pumps using surplus electricity from a powerplant pump water from one lake to another






41. Where hydrogen and oxygen are combined to produce electrical currents - have no moving parts - are quiet - only emit water or heat - and are more reliable






42. Started at the end of the Age of Oil






43. Collect and transform radiant energy from the sun into thermal energy that can be converted to electricity






44. Homes with walls made of bales covered with plaster or adobe






45. Energy from heat contained in underground rocks






46. Energy from heat contained in underground rocks






47. Combined heat and power CHP - two useful materials are produced from the same fuel source.






48. Energy of the entire delivery process - determined by efficiency of each step of the procedure






49. Collect and transform radiant energy from the sun into thermal energy that can be converted to electricity






50. Started at the end of the Age of Oil






Can you answer 50 questions in 15 minutes?



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