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Most of the energy that I am using and you are using right now is probably coming from
Coal, oil, natural gas
Why is it unlikely for fossil fuels to come from dinosaurs
Because all dinosaur remains are at the bottom of the ocean covered by sediment
What percentage of energy consumption (in 2013) was fossil fuels
78.4%
Explain the process of forming coal
Over time with heat and pressure a swamp condenses into coal
Anthracite is the most clean form of coal because it is essentially
all carbon
Advantages of coal
Cheap, plentiful, easily mined
Disadvantages of coal
Co2, Ash, impurities
Explain the process of forming Petroleum
In oceans, microscopic life is deposited on the ocean flor and is covered by sediment, and overtime heat and pressure form oil
The primary way that we separate crude oil
Refining it by heating the oil
Advantages of Petroleum
Liquid, energy-dense, cleaner than coal
Disadvantages of Petroleum
Co2, Oil spills, Impurities
Advantages of Natural Gas
Lower Co2, Cleaner than oil and coal, Heating
Disadvantages of natural gas
Hydraulic fracturing, exploration, methane
Explain the Hubbert Curve and why it is not perfect
Demonstrates peak oil, which is when the maximum amount of oil will occur. It is not perfect because they are still finding new ways to farm oil.
where most coal reserves are located worldwide
USA, Russia, China
where most oil reserves are located worldwide
venezuela. Saudi Arabia, Canada
where most gas reserves are located worldwide
Russia, Iran, Qatar
Why fossil fuels will never be sustainable
We will run. out of reserves so we will have to move towards renewable resources
Describe the International Nuclear Event (INE) scale
Used to measure the size of nuclear accidents
Describe the INE nuclear disasters listed in the video
Chernobyl: meltdown of the reactor and a collapse (level 7)
Fukushima: 3 reactors meltdown after an earthquake and tsunami (level 7)
Three mile island: Released a bit of radioactive material into surrounding area (level 5)
Describe why Nuclear Power is being revisited as a source of energy
There has been a decrease in the amount of carbon emissions in nuclear energy
Explain the process of Fission in Uranium-235 that makes nuclear power possible
A neutron breaks up the Uranium into fragments which releases energy
Why fuel rods are not completely made of Uranium-235 but are made mostly of Uranium-238
So that they can also absorb energy, instead of only releasing it
What do we do with old (depleted) fuel rods
Put them in a pool so they absorb energy, and then put them in nuclear containers
Define Half-life
Amount of time it takes for half of the material to decay
Describe the repercussions to the local population if a core were to release radioactive elements to the environment
Radioactive elements cause cancer and are harmful for plant growth and the area is inhabitable
Explain why there might be more nuclear power plants in the future
There will be new reactors which makes it easier and safer, and also we need a decrease in carbon emissions