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Human Impact and Pollution Science 7th Unit 1
Terms in this set (31)
The number and variety of organisms in a given area during a specific period of time
The presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects.
A substance used for destroying insects or other organisms harmful to cultivated plants or to animals.
An area that provides an organism with its basic needs for survival.
Human Population Growth
An increase in food supply, reduction in disease (medicine), reduction in human wastes, habitat expansion, have all allowed an increase in world population.
Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.
Exotic or Invasive Species
Non-native species that has no natural predators.
Protecting and preserving natural resources and the environment
Also known as Climate Change - the warming of the earth's temperature caused by depletion of the ozone layer and the greenhouse effect. This causes drastic changes in weather patterns around the world.
A natural resource that can be replaced at the same rate at which the resource is consumed
a natural resource that is not replenished or replaced by natural processes or is used at a rate that exceeds its replacement rate
Garbage. Useless things that are discarded.
Any material that can be harmful to human health or the environment if it is not properly disposed of
Particles from a nuclear reaction that emit radiation; contact with such particles may be harmful or lethal to people and must therefore be safely stored for thousands of years.
The number of people in an area exceeds the capacity of the environment to support life at a decent standard of living.
The removal of forest for various economic purposes. the removal is faster than the trees can replenish themselves.
Pollution that comes from a specific site
Pollution that comes from many places or an unidentified source (i.e. golf courses, agricultural fields, etc.)
Man made opening on road through which runoff flows into underground system usually into a nearby stream.
The reusing of materials that people would otherwise throw away, such as paper, glass, plastics, and certain metals
a place to dispose of refuse and other waste material by burying it and covering it over with soil, especially as a method of filling in or extending usable land.
The extraction of mineral and energy resources near Earth's surface by first removing the soil, subsoil, and overlying rock strata.
involves the accumulation of plastic products in the environment that adversely affects wildlife, wildlife habitat, or humans
a barrier constructed to hold back water and raise its level, the resulting reservoir being used in the generation of electricity or as a water supply.
the growth and expansion of cities such that the land is no longer in its natural state
energy from the sun that is converted into thermal or electrical energy
The potential energy stored in the nucleus of an atom used to produce electricity
The energy captured by transforming the motion of air into electrical energy using a turbine
A fossil fuel that forms underground from partially decomposed plant material used to produce energy and causes pollution
Energy derived from the heat in the interior of the earth
natural gas advantages
energy that has good supplies, and emits less CO2 and other pollutants than other fossil fuels
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