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Flashcards in Final Study Guide 14 Deck (45):
1

What are ways to reduce emissions of carbon dioxide?

- Transition to cleaner emitting energy sources such as nuclear, water, wind, and solar
- Plant more trees
- Burn less fossil fuels

2

What are some of the problems with nuclear energy?

Nuclear energy is harmful to human health and the environment because of the radioactive waste it produces. The half life of these radio-active ions last long periods and affect human health.

3

Why is nuclear energy a possible solution to the climate crisis?

Nuclear energy does not emit the amount of carbon based gases that cause the greenhouse effect on earth

4

Is nuclear energy a renewable source?

- No, but it is preferred to fossil fuels because it does not emit greenhouse gases.
- Nuclear energy is not a renewable source of energy because there is only a certain amount of iridium that can be found on Earth

5

Why are all hydrocarbon fuels non-renewable?

- At the pace that we use them and at the pace they regenerate it will be almost a million years before there will be enough to use at current level.
- They are used faster than they are regenerated

6

Watt

1 watt is defined as the energy consumption rate of one joule per second

7

Joule

Basic energy unit of the metric system

8

Btu

- Traditional unit of energy equal to about 1055 joules
- It is the amount of energy needed to cool or heat one pound of water by one degree Fahrenheit

9

Quad

- A quad is a unit of energy equal to 1015 BTU
- Used by the U.S. Department of Energy in discussing world and national energy budgets

10

Efficiency

using less energy to provide the same level of energy. It is therefore one method to reduce human greenhouse gas emissions

11

Nonrenewable

- A resource that is utilized faster than it is replenished
> ex: fossil fuels, nuclear energy

12

Oil

- Formed when heat and pressure compressed the remains of prehistoric plants, animals, and aquatic life under the bed of the sea or lakes for millions of years
- Drilled and pumped from giant underground pockets, or oil wells, and processed through a system called distillation

13

Natural Gas

- A fossil fuel formed when layers of buried plants and animals are exposed to intense heat and pressure over thousands of years
- Cleanest fossil fuel
- colorless, odorless, tasteless
- Highly flammable

14

Coal

a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams

15

Nuclear Energy

- Use of exothermic nuclear processes to generate useful heat and electricity
- Includes nuclear fission, nuclear decay and nuclear fusion

16

Deforestation

Clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use

17

Oil Trap

?

18

Carboniferous

?

19

Crude Oil

?

20

Petroleum

?

21

Reserves

?

22

End of Oil

?

23

Hubbert's Peak

The Hubbert peak theory says that for any given geographical area, from an individual oil-producing region to the planet as a whole, the rate of petroleum production tends to follow a bell-shaped curve. It is one of the primary theories on peak oil.

24

Oil shale

- Oil shale is commonly defined as a fine-grained sedimentary rock containing organic matter that yields substantial amounts of oil and combustible gas upon destructive distillation.
- Oil shale extraction is more complicated than crude oil extraction; it includes the extra steps of retorting and refining.

25

Fracking

fracturing of rock by a pressurized liquid in order to obtain some type of oil or gas

26

Gas Hydrate

?

27

EROI

- Energy return on investment (EROI) is the ratio of the energy delivered by a process to the energy used directly and indirectly in that process. EROI - - is defined as:
EROI = quantity of energy supplies/ quantity of energy used in supply process

28

CSS

?

29

Caprock

?

30

Chain Reaction

?

31

Fission

a splitting of something into two parts

32

Salt Dome

?

33

Reserves

?

34

Hydropower

?

35

Solar Power

- Direct energy coming in from the sun - Can be used to heat homes (solar panels) - Main use for heated water panels in US: swimming pools
- Solar energy in photovoltaic cells can be used, or we can concentrate sun energy - Ex: If you drive to Vegas, you see 3 big towers --> A solar facility that concentrates solar power
- Affordable, Renewable - Solar Energy cons:
> There may be environmental consequences
> Requires a lot of land
> There isn’t always a lot of sun

36

Photovoltaic

?

37

Resource

?

38

Deposit

?

39

Reservoir Rock

high porosity rock formation, capable of storing oil

40

Trap

- Something that prevent oil from continuing to rise
- Ex: impermeable caprock around a reservoir rock
> others: salt dome trap, fault trap

41

Source Rock

an initial sediment with organic material

42

Wind Energy

- Fastest growing energy segment in the world and has been for 25 years
- Cost of wind power has dropped by 99%
- In the next 20 years, wind energy will be a top competitor for energy provision
- Disadvantages: need different kind of power grid, ugly, kills birds

43

Concentrated Solar

?

44

Geothermal Energy

Idea that we can extract heat from the Earth

45

Fusion

process of joining 2 or more things to form a single entity