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Natural Resources
Chapter 5 of The Changing Earth unit
33
Science
7th Grade
03/29/2010

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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
A. sunlight
Definition
Which of the following is a renewable resource?
A. sunlight B. silicon
C. natural gas D. uranium
Term
C. oil
Definition
Which of the following is a nonrenewable resource?
A. tree B. water
C. oil D. wind
Term
A. nonrenewable
Definition
Which of these best describes a fossil fuel?
A. nonrenewable
B. unlimited
C. man-made
D. recyclable
Term
atmosphere
Definition
Elements like oxygen are necessary for survival. Which Earth system is providing for us, in this case?
Term
benefits and costs
Definition
We burn coal to produce electricity. This pollutes the air, though. This proves that using coal as a fossil fuel has _____________ and _____________.
Term
fossil fuels
Definition
These form by geologic processes over millions of years.
Term
84%
Definition
Fossil fuels supply about _______ percent of the world’s energy.
Term
coal.
Definition
The United States has one of the world’s largest deposits of
Term
oil
Definition

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If you saw the machine above, you would know that _________ is being pumped out of the ground.

Term
A. aircraft
Definition
Which method of transportation is NOT used for moving oil? A.aircraft B.ship/boat
C.pipeline
D.truck
Term
refinery
Definition
This is the factory where oil is broken down into different parts to make different products.
Term
D. computer chips
Definition
Which one of the following products is NOT made from oil?
A.gasoline B.plastics C.cleaning supplies D.computer chips
Term
conservation
Definition
After cutting my grass, I gather and spread the clippings over the flower beds around the house. I am demonstrating this by reusing my yard waste.
Term
20,000 lbs.
Definition
By the end of 2010, you will have used this many pounds of minerals.
Term
landfills
Definition
These are facilities where we dump and bury over 90 million tons of trash every year.
Term
reducing and reusing
Definition
Conservation involves these two actions.
Term
recycle
Definition
This is defined as recovering and extending natural resources.
Term
Shippingport, Beaver County, Pennsylvania
Definition
President Eisenhower commissioned the first atomic power plant in the United States. Where was it located?
Term
fission= splitting atoms
fusion= combining atoms
Definition
What is the main difference between fission and fusion?
Term
control rods inside reactor cores regulate energy
Definition
If nuclear weapons can destroy whole cities, then why don’t nuclear reactors blow up power plants?
Term
1,000 years
Definition
Radioactive waste from nuclear power plants will remain active for over ______________ years.
Term
store it, bury it
Definition
How do we dispose of nuclear waste?
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
flooding of animal habitats, disruption of fish migrating routes, low water levels down river
Definition
What are 3 problems associated with hydroelectric power plants built at dams?
Term
solar cell
Definition
This is a specially constructed sandwich of silicon and other materials that converts light energy into electricity.
Term
magma
Definition
Hot water used in geothermal power plants is heated by this deep under the Earth.
Term
geothermal
Definition
What type of energy uses hot water from inside the Earth as its main fuel?
Term
windfarm
Definition
What type of power plant would be best for cities along the Great Lakes?
Term
biomass
Definition
Organic materials such as plant and animal waste are used to generate energy in these power plants.
Term
hydrogen
Definition
Brett says his dad’s new car runs on water. This is part true, since the car gets its power from separating atoms of this element from water.
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