Lesson 4-1
Lesson 4-2
Lesson 4-3
Lesson 4-4
Random
100
The process of restoring an area of land to a more natural, productive state.
What is land reclamation?
100
Any substance that causes pollution.
What is a pollutant?
100
Group of gases responsible for destroying the ozone layer.
What are CFCs?
100
Water stored in soil and rock beneath the Earth's surface.
What is groundwater?
100
The process of reclaiming products and reusing them to create new products.
What is recycling?
200
The layer of soil below the litter that is a mixture of rock fragments, nutrients, water, air, and decaying matter.
What is topsoil?
200
Type of landfill designed to hold municipal solid waste safely.
What is a sanitary landfill?
200
Pollutants released into the air.
What are emissions?
200
Wastes that are washed down sinks, showers, and toilets.
What is sewage?
200
Type of radiation that the ozone layer screens out.
What is ultraviolet?
300
Method used to obtain minerals just below the surface.
What is strip mining?
300
This type of waste gives off radiation.
What is radioactive waste?
300
Indoor air pollutant that is colorless, odorless, and forms when wood, coal, and oil are incompletely burned?
What is carbon monoxide?
300
Chemicals that kill crop-destroying organisms.
What are pesticides?
300
A type of waste that can dissolve substances by using acids.
What is corrosive waste?
400
A period when less rain than normal falls in an area.
What is a drought?
400
Finding another use for an object rather than discarding it.
What is reuse?
400
Type of air pollution that can damage buildings, statues, and cars.
What is acid rain?
400
This type of waste can wash into bodies of water and cause algae to form.
What is agricultural?
400
Condition in which a layer of warm air traps polluted air close to Earth's surface.
What is temperature inversion?
500
Building a highway is an example of this type of land use.
What is development?
500
Polluted liquid produced by water passing through and dissolving chemicals from buried wastes.
What is leachate?
500
The main chemical in smog.
What is ozone?
500
97% of Earth's water is this.
What is salt water?
500
Radioactive gas that naturally forms from rocks underground.
What is radon?
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