Across
- 2. A process of separating a mixture of chemical compounds based on their different boiling points. (2 words)
- 4. Coals compressed under high pressure and temperatures form _____, the highest-grade coal.
- 6. The primary environmental concern related to nuclear power is the creation of ____ such as spent (or used) reactor
- 7. The study of compounds that contain carbon. (2 words)
- 8. Anaerobic conditions in the lowest layers of such waters impeded the respiration of _____, allowing the formation of fossil
- 11. The energy-rich substances that come from the remains of dead organisms found in water. (2 words)
- 12. The energy stored in the nucleus of an atom. Energy is released when either the nucleus is split apart or when nuclei are
- 15. in thicker, more porous limestone or sandstone, called ____. (2 words)
- 16. During nuclear fission, a neutron collides with a Uranium atom and splits it, releasing a large amount of energy in
- 18. Heat and pressure distills the organic material into crude oil and natural gas. The oil flowed from the source rock and
- 19. the animals can't maintain body heat, which results in ____.
- 20. A nuclear power station consists of a reactor building, powerhouse, and ____. (2 words)
- 22. (2 words)
- 25. The layers of earth above the coal bed that is removed by heavy machinery and may be stored for later remediation /
- 30. The theorized point in time when the maximum rate of extraction of petroleum is reached, after which it is expected to enter
- 31. of a significant fraction of reactor core material.
- 34. The process where atoms are split apart, which releases energy. (2 words)
- 37. alkynes.
- 40. This nuclear disaster in Japan was caused by the large tsunamis resulting from the Tohoku earthquake in March 2011. (2
- 42. This tanker ran aground on the Prince William Sound on March 24, 1989, it spilled 10.8 million gallons of crude oil into the
- 44. This event is recognized as the worst oil spill in U.S. history. (3 words)
- 45. Also known surface mining, this is used when the coal bed is found close to the surface. (2 words)
- 48. and rods. (2 words)
- 49. in America. (2 words)
- 50. This says that the rate of petroleum production tends to follow a bell-shaped curve. It is one of the primary theories
- 52. Oil is formed from the remains of algae and ____, which settled to the bottom of shallow seas and lakes about the same time
- 53. decline. (2 words)
- 54. form of heat and radiation. More neutrons are also released when a Uranium atom splits. These neutrons continue to collide other
- 55. of the land above. (2 words)
Down
- 1. (2 words)
- 3. A mixture of hydrocarbons with four or fewer carbon atoms in the chain. (2 words)
- 5. The partial meltdown of a reactor at ____ nuclear power plant in March 1979 resulted in the most serious accident in US
- 9. A concept used in energy economics that refers to the difference between the energy expended to harvest
- 10. The simplest organic compounds.
- 13. atoms, and the process repeats itself over and over again. This process is called a ____. (3 words)
- 14. The ____ contains just over a fifth of the world's undiscovered, recoverable oil and natural gas resources, confirming its potential as
- 17. The fuel most widely used by nuclear plants for nuclear fission. Arguments can be made about whether or not this is a renewable
- 21. final frontier for energy exploration.
- 23. A resource of economic value that cannot be readily replaced by natural means on a level equal to its
- 24. These are used to access both land and marine-based oil reservoirs, and the oil is pumped to the surface. (2 words)
- 26. Energy can be “lost” from a system due to friction whenever energy is transformed from one form into another. Removing
- 27. The lowest grade of coal that forms under minimal pressure and still has high moisture content.
- 28. These types of hydrocarbons are divided into three main groups according to the types of bonds they contain: alkanes, alkenes,
- 29. (3 words)
- 32. the coal forming swamps (about 10 – 600 mya).
- 33. Also known as fracking, this is used in order to increase the flow rate in these environments, potentially damaging the
- 35. Nuclear energy can also be released in ____, where atoms are combined together to form a larger atom. (2 words)
- 36. of energy loss improves the ____ of the device being use.
- 38. covering 1,400 square miles. (2 words)
- 39. The use of sustained nuclear fission to generate heat and electricity that contributes nearly 20 percent of the electricity
- 41. When birds' feathers and marine animals fur coats get coated with oil, they lose their ability to trap air and repel water,
- 43. A kind of purified coal that was an essential ingredient in turning the U.S. iron and steel industry into a powerhouse after the 1880s.
- 46. The world’s worst nuclear power plant accident took place in April 1986 at ____ nuclear power plant in Ukraine due to the
- 47. energy source and the amount of energy gained from that harvest. (3 words)
- 51. peak oil. (3 words)