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Science 24 Chapter 4 Key Terms Review
Key Terms for science 24 Chapter 4
14
Science
11th Grade
03/13/2020

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Term
Greenhouse gases
Definition
Compunds such as carbon dioxide that trap heat in the Earth’s atmosphere
Term
Global warming
Definition
Long-term trend toward warmer temperatures accompanied by extreme climate events.
Term
Climate change
Definition
Natural process of Earth’s warming and cooling intervals
Term
Pollutants
Definition
Chemicals in the air, water, and soil that cause harm to living things or the environment
Term
Acid precipitation
Definition
sometimes referred to as acid rain; rain snow fog or dew that has become more acidic
Term
Acid deposition
Definition
Acidic materials that deposited on earth
Term
Sulfur dioxide
Definition
Acidic gas that mixes with water vapor in clouds to form acid precipitation
Term
Nitrous oxides
Definition
Naturally produced oxide acidic gases that mix with water vapor in clouds to form acid precipitation
Term
Liming
Definition
Process of adding natural limestone to lake water to neutralize lakes that have been acidified by deposition
Term
Scrubber
Definition
Device installed in industrial smokestacks to remove sulfur and other pollutants formed during the combustion of coal
Term
Corrosion
Definition
Process that chemically breaks down from one form into another
Term
Rusting
Definition
One type of corrosion
Term
Galvanization
Definition
Process of applying a zinc coating to iron or steel to provide a protective barrier between the metal and the environment
Term
Sacrificial metal
Definition
A metal used to protect a nearby metal that is more reactive; it “Draws” the corrosion; magnesium is a common sacrificial metal
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