Chapter 3 Review Flashcards
formed when the remains of plants and animals are buried quickly
fossil fuel
a factory that separates crude oil into different products
refinery
mineral used in nuclear reactors
uranium
concentrated areas of specific minerals
vein
solid substances found naturally in the earth’s surface
minerals
a layer of sand, gravel, or bedrock that holds and moves
aquifer
a floating ice sheet
ice shelf
forms when sea water freezes
sea ice
Characteristics of malleable metals
soft and shapeable
What is ground cover?
a low-growing crop that lessens erosion in unused fields
Why is contour plowing used?
to help keep water from washing soil away
What causes oceans to be salty?
dissolved minerals and salts left behind when water evaporates cause oceans to be saline, or salty
Is geothermal energy a renewable or nonrenewable resource?
renewable resource
Is coal a renewable or nonrenewable resource?
nonrenewable resource
Is natural gas a renewable or nonrenewable resource?
nonrenewable resource
Is hydroelectric energy a renewable or nonrenewable resource?
renewable resource
Is nuclear energy a renewable or nonrenewable resource?
nonrenewable resource
Is solar energy a renewable or nonrenewable resource?
renewable resource
Is wind energy a renewable or nonrenewable resource?
renewable resource
Is petroleum a renewable or nonrenewable resource?
nonrenewable resource
Which energy resource is not a fossil fuel? coal, hydroelectric, natural gas, or petroleum
hydroelectric energy
Which problem would not occur as a result of using fossil fuels? air pollution, oil spills, radioactive pollution, production of soot and sulfur gases
radioactive pollution
______________ uses heat from the earth to produce steam.
Geothermal energy
Which disadvantage is associated with the use of wind energy and solar energy? heavy maintenance, large land areas required, pollution, or does not use water
large land areas required
What is an advantage of using geothermal energy?
plants are inexpensive to build and operate
Which is not an advantage of using windmills to provide wind energy? requires a steady wind, does not cause pollution, requires little maintenance, or renewable resource
requires a steady wind
What is ground water?
water stored beneath the surface of the earth
What are all the materials that God provides for our use called?
natural resources
Explain what you can do to help conserve natural resources
Reduce the amount of energy used.
Reuse materials that would otherwise get thrown away.
Recycle those resources that can be made into other products.
What are some ways that oceans provide for man
The oceans provide fresh water through the water cycle; play a key role in the carbon dioxide-oxygen cycle; provide oxygen by photosynthesis of phytoplankton; influence climates
Coal, natural gas, and petroleum are examples of _______ fuels.
fossil
the process of heating metal to purify it
smelting
replenishes the nutrients in the soil
fallow ground
a material that has usable amounts of metal in it
ore
