Conventional Energy Flashcards

1
Q

What are the basics of energy consumption in the US?

A

Fossil Fuels
Renewables
Natural Gas
Coal
Oil

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2
Q

What energy sources are increasing?

A

renewable energy

while the overall usage of fossil fuels like coal, oil, and natural gas is still dominant but with a slower growth rate; in some regions, like the United States, natural gas consumption has shown a noticeable increase

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3
Q

What do all fossil fuels have in common?

A

they are non-renewable energy sources

They are primarily composed of carbon and are formed from the decomposed remains of ancient organic matter, like plants and animals

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4
Q

How are fossil fuels different from one another?

A

primarily in their physical state

formed slightly different due to organic matter composition, the amount of time the fuel remains buried, and the temperature and pressure conditions of the geographic region

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5
Q

How are fossil fuels formed?

A

when the remains of ancient plants and animals, primarily from millions of years ago, are buried under layers of sediment and subjected to intense heat and pressure over time, causing the organic matter to decompose and transform into substances like coal, oil, and natural gas

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6
Q

What sector is coal predominantly used for?

A

power sector

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7
Q

What sector is oil predominantly used for?

A

transportation sector

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8
Q

What sector is natural gas predominantly used for?

A

electric power generation sector,

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9
Q

What energy sources are decreasing

A

coal

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10
Q

pro and con of coal

A

pro - cheap, easy & safe movement, lack of conflict, energy rich

Con - non renewable, pollution, biodiversity loss

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11
Q

pro and con of natural gas

A

Pro - least polluting, versatile, decent amount in usa

Con - releases methane, earthquakes

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12
Q

pro and con of oil

A

Pro - transportation, makes plastics

Con - plastic pollution, political conflict, not easy to transport, oil spills, flammable

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13
Q

how to access coal

A

mining it from the ground

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14
Q

how to access natural gas

A

fracking

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15
Q

how to access oil

A

fracking, drilling (A well is drilled into the reservoir)

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16
Q

cons of accessing coal

A

Greenhouse gas emissions
Air pollution
Habitat destruction
Water quality degradation
Climate change

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17
Q

cons of accessing natural gas

A

methane leaks
Greenhouse Gas Emissions
Air and Water Pollution (fraking)
Water Contamination
Land Degradation
Ecosystem Disturbance

18
Q

cons of accessing oil

A

Oil Spills
Air and Water Pollution
Toxic Emissions
Greenhouse Gas Emissions
Methane Leaks
Land Degradation
Water Contamination
Exposure to Hazardous Chemicals

19
Q

How is electricity generated?

A

using the force of a moving fluid (like wind, water, or steam) pushes the blades, causing them to spin and turn a generator that produces electricity.

20
Q

how much oil is left

A

40-50 years

21
Q

how much coal is left

A

100-150 years

22
Q

how much natural gas is left

A

50-60 years

23
Q

What is energy?

A

the ability to do work

24
Q

What is a fossil fuel?

A

non-renewable energy sources originating from decomposing plants and animals

When fossil fuels are burned, they release carbon dioxide , methane, nitrous oxide and other pollutants into the atmosphere. These emissions contribute to climate change, air pollution, and water pollution

25
fossil fuel examples
coal, oil. natural gas,
26
fracking
the drilling of a long vertical or angled well that can extend a mile or more into the earth. As the well nears the rock formation where the natural gas or oil lies, drilling then gradually turns horizontal and extends as far as thousands of feet. Steel pipes called casings are inserted into the well, and the space between the rock and the casing is fully or partially filled with cement. Small holes are made in the casing with a perforating gun. Fracking fluid is then pumped in at a pressure high enough to create new fractures or open existing ones in the surrounding rock. This allows the oil or gas to flow to the surface for gathering, processing, and transportation, along with contaminated wastewater that is stored in pits and tanks or disposed of in underground wells.
27
oil formed
shale rock marine environment fossilized remains
28
oil predominant use
transportation
29
oil pollution
medium pollution
30
oil area
middle east, russia, central america, usa
31
coal formed
partially delayed plant matter old swamps
32
how to make coal cleaner
carbon capture & sequestration
33
coal use
electricity generation
34
coal pollution
co2, water pollution, most
35
coal area
asia, pacific regions, australia, usa
36
natural gas found
shale rock marine environment fossilized remains of organisms
37
natural gas use
versatile
38
natural gas pollution
least
39
natural gas area
middle east, usa, russia
40
carbon capture and sequestration
a process that removes carbon dioxide from the atmosphere and stores it in geologic formations or in plants. co2 is captured from sources like power plants and industrial processes. The co2 is compressed and transported to a storage site. The co2 is injected into underground geologic formations or stored in plants