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Nat. Resources, Power Plants, and Coal
Study prep for our Chapter 5 test: The Changing Earth
32
Science
7th Grade
05/15/2013

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Term
b. steel
Definition
Of the following, which would NOT be considered a natural resource?
a. animal waste
b. steel
c. iron
d. wood
Term
renewable resource
Definition
This type of natural resource can be replaced in nature about as quickly as we use it.
Term
nonrenewable resoource
Definition
This type of natural resource cannot be replaced by nature as quickly as we use it.
Term
fossil fuels
Definition
These are defined as nonrenewable energy sources that form from ancient organisms that had died, become buried, and took their energy with them.
Term
84%
Definition
Fossil fuels supply about _______ percent of the world’s energy.
Term
conservationism
Definition
After cutting his grass, Mr. Martella spreads the clippings of grass and leaves into flower beds around the house (composting). Composting like this is considered to be a form of _________________.
Term
landfills
Definition
These are facilities where we dump and bury over 90 million tons of trash every year.
Term
Shippingport, PA
Definition
President Eisenhower commissioned the first atomic power plant in the United States. Where was it located?
Term
fission is the splitting of atomic nuclei, whereas fusion combines atomic nuclei
Definition
The main difference between nuclear fission and fusion is that
Term
Nuclear reactors have control rods that contain the energy produced
Definition
If nuclear weapons can destroy whole cities, then why don’t nuclear reactors blow up power plants?
Term
bury
Definition
We can store this waste until it becomes less radioactive and we can ___________ it.
Term
uranium
Definition
Nuclear power plants use this radioactive element as “fuel”.
Term
nuclear
Definition
10% of the energy used in the U.S. today is generated by _________________ power plants.
Term
6%
Definition
Water, wind, Earth’s heat, biomass, sunlight and hydrogen make up _______% of our power generation.
Term
Disrupts fish migration routes, floods areas above the dam, destroying habitats
Definition
What are two costs associated with hydroelectric power plants and dams?
Term
solar cell
Definition
This is a specially constructed sandwich of silicon and other materials that converts light energy into electricity.
Term
A magma chamber
Definition
. Billy has visited his family in Iceland. He tells you that the town is powered by a plant using hot water that is pumped from the ground. What heats the water?
Term
geothermal; renewable, until your volcano erupts!
Definition
What type of energy uses earth's internal heat to generate power? Is it renewable or nonrenewable?
Term
windfarm
Definition
The city of Chicago sits on the southern end of Lake Michigan. The Mayor wants to use more renewable energy. What type of power station would you suggest to him, based upon the city’s location?
Term
biomass
Definition
Organic materials such as plant and animal waste are used to generate energy in these power plants.
Term
steam engine
Definition
This invention, around the year 1700, kick-started the coal boom in the US.
Term
Industrial Revolution
Definition
This period in American history began with the invention of the steam engine.
Term
1918
Definition
What was the greatest year for coal production in Pennsylvania?
Term
The Great Depression
Definition
What event, beginning in the mid 1900’s, marked the beginning of the fall of the coal industry?
Term
Rise of oil, natural gas, electricity, nuclear power, etc.
Definition
What factors contributed to the decline of the coal industry?
Term
Greene Co.
Definition
This Pennsylvania county is responsible for over 50% of the state’s coal production.
Term
groundwater pollution, acid drainage, iron runoff, scarring of land, speed up soil erosion
Definition
What are possible side effects of coal mining?
Term
peat, lignite, bituminous, anthracite
Definition
Which of the following is the correct order of coal formation?
Term
generating electricity
Definition
77% of our coal is used for
Term
10,000 T
Definition
How much coal do our larger power plants use per day?
Term
225
Definition
If we continue to use coal at the current rate, we have enough reserves (in the US) to last how many years?
Term
clean coal technology
Definition
Carbon Capture and Storage, which cleans emissions from flue gas, is referred to as a
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