Environmental Science /Earth's Resources
Earth's Resources
This deck covers key concepts about Earth's resources, including the differences between renewable and nonrenewable resources, examples of each, and the processes and impacts related to their use.
What is the difference between renewable resource and a nonrenewable resource?
renewable resources can be replenished over a short amount of time, nonrenewable resources take millions of years to replenish.
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Key Terms
Term
Definition
What is the difference between renewable resource and a nonrenewable resource?
renewable resources can be replenished over a short amount of time, nonrenewable resources take millions of years to replenish.
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What is an example of a renewable resource?
solar power
What is an example of a nonrenewable resource?
fossil fuels
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any hydrocarbon that can be used as fuel
fossil fuel
Name 3 most important fossil fuels:
coal, oil, and natural gas
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substance that is formed when heat and pressure transform plant material over millions of years
coal
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| Term | Definition |
|---|---|
What is the difference between renewable resource and a nonrenewable resource? | renewable resources can be replenished over a short amount of time, nonrenewable resources take millions of years to replenish. |
What is an example of a renewable resource? | solar power |
What is an example of a nonrenewable resource? | fossil fuels |
any hydrocarbon that can be used as fuel | fossil fuel |
Name 3 most important fossil fuels: | coal, oil, and natural gas |
substance that is formed when heat and pressure transform plant material over millions of years | coal |
first stage of coal formation | peat |
second stage of coal formation | lignite |
third stage of coal formation | bituminous |
last stage of coal formation | anthracite |
paritally decayed plant material that looks like soil | peat |
sedimentary rock that is often called brown coal | lignite |
another sedimentary rock, or soft coal | bituminous |
hard coal | anthracite |
different uses of coal: | heating, recycling, steal manufacturing |
disadvantages of coal: | nonrenewable resource, contributes to global warming |
what is oil and natural gas and how were they formed? | came from remains of plants and animals that were buried in ancient seas |
how is oil extracted? | drilling into ground and pumping it out |
what is the requirement for oil to pumped out? | have to have a suitable suit |
Name two disadvantages in using oil. | nonrenewable, contributes to greenhouse gases |
mixtures of clay and sand combined with water and varying amounts of tar | tar sands |
rock that contains wavy mixture of hydrocarbons called kerogen | oil shales |
source of solar energy: | sun |
source of nuclear energy: | radioactive isotopes |
source of wind energy: | wind |
source of geothermal energy: | hot water |
source of tidal power: | tides |
source of biomass & biofuels: | decomposed living material |
source of hydrogen & fuel cells: | reaction of hydrogen and oxygen |
positive- clean and renewable; negative- costs a lot | solar energy |
positive- doesn't help global warming; negative- no safe disposable method | nuclear energy |
positive- renewable; negative- noisy | wind energy |
positive- clean; negative- high costs | geothermal energy |
positive- clean; negative- high capital costs | tidal energy |
positive- available; negative- land availability | biomass & biofuels |
positive- plentiful; negative- expensive | hydrogen and fuel cells |
two gases that contribute to global warming: | carbon dioxide & water vapor |
What are the consequences of global warming? | spread of disease, warmer waters, more hurricanes |
3 ways to conserve natural resources: | recycling, being efficent, manage resources wisely |
contains 85 % carbon | bituminous |
contains 40 % carbon | lignite |
contains 95 % carbon | anthracite |