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Physical Science > Chapter 8 > Flashcards

Chapter 8 Flashcards

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Biology 101 flashcards
1
Q

What causes air pollutants?

A

Smog, acid precipitation, and CFC’s

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2
Q

What can water be contaminated with?

A

Sediment, industrial pollutants, and human waste

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3
Q

What does all life on Earth require?

A

Clean air and water

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4
Q

What are land sources threatened by?

A

Agriculture, deforestation, industry, and waste

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5
Q

Acid Precipitation

A

When acidic Moisture falls from the sky as precipitation

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6
Q

Photochemical Smog

A

Pollution that results from the reaction between sunlight and exhaust fumes

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7
Q

Hazardous Waste

A

Wastes that are poisonous, cause cancer, or catch on fire

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8
Q

Pollutant

A

Any substance that contaminates the environment

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9
Q

Carrying Capacity

A

The greatest number of individuals (specific species) the environment can support

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10
Q

Population

A

All individuals of one species living in a particular area

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11
Q

Examples of alternative energy resources:

A

Sun, water, wind, Earth’s internal heat

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12
Q

How is wind energy converted to electrical energy?

A

A propeller attached to an electric generator

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13
Q

Hydroelectric Power Plants

A

Turns Gravitational potential energy into electrical energy

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14
Q

Examples of Biomass

A

Wood, soy, corn, sugarcane fibers, rice hulls, animal poop

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15
Q

Biomass

A

Renewable organic matter

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16
Q

Geothermal Energy

A

Thermal energy contained in and around magma

17
Q

Hydroelectricity

A

An electric current made by the energy of moving water

18
Q

Photovoltaic Cell

A

Converts radiant energy directly into electrical energy

19
Q

Renewable Resource

A

An energy source that is replaced faster than it is used

20
Q

What % of nuclear power is made by power plants in the US?

A

8%

21
Q

Fission Reaction

A

Energy in fission makes steam, steam makes power for a generator

22
Q

Nuclear Waste

A

Any radioactive material that results when radioactive material is used

23
Q

Nuclear Reactor

A

Uses energy from controlled nuclear reactions to generate electricity

24
Q

Fission

A

Process of splitting an atomic nucleus into two or more nuclei

25
Q

Fusion

A

Occurs when atomic nuclei combine at very high temperatures

26
Q

Power Plant

A

Burns fossil fuels to get chemical potential energy that powers stuff

27
Q

(+ or o) Fossil fuels are non-renewable resources

A

+

28
Q

Examples of Fossil Fuels

A

Petroleum, Natural Gas, and Coal

29
Q

Law of Conservation of Energy

A

Energy cannot be created or destroyed but can be transformed

30
Q

Non-renewable Resources

A

Resources that cannot be replaced by natural processes as quickly as they are used

31
Q

Fossil Fuels

A

Remains of plants and animals crushed and buried for many years

32
Q

Petroleum

A

A flammable liquid formed from the decay of organisms

Physical Science (11 decks)

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