049 Unit 4 & 5

Question 1

fossil fuels

Answer 1

are made from decomposing plants and animals.

Question 2

Nonrenewable Resource

Answer 2

oil, natural gas, coal, and nuclear energy

Question 3

Hydropower

Answer 3

a renewable source of energy that generates power by using a dam or diversion structure to alter the natural flow of a river or other body of water.

Question 4

Solar power

Answer 4

converting energy from the sun into power.

Question 5

Wind energy

Answer 5

the process by which the wind is used to generate mechanical power or electricity.

Question 6

Renewable energy

Answer 6

natural sources or processes that are constantly replenished

Question 7

Water Pollution

Answer 7

the contamination of water sources by substances which make the water unusable for drinking, cooking, cleaning, swimming, and other activities.

Question 8

Water Pollution

Answer 8

the contamination of water sources by substances which make the water unusable for drinking, cooking, cleaning, swimming, and other activities.

Question 9

Wastewater

Answer 9

human waste, food scraps, oils, soaps and chemicals.

Question 10

Artificial Eutrophication

Answer 10

Occurs when human activity introduces increased amounts of these nutrients

Question 11

Point -Source Pollution

Answer 11

Any single identifiable source of pollution from which pollutants are discharged, such as pipe, ditch, ship or factory smokestack

Question 12

Nonpoint -Source Pollution

Answer 12

It happens when runoff rain and snowmelt carries pollutants into waterways such as rivers, streams, lakes, wetlands, and even groundwater.

Question 13

Hazardous Waste

Answer 13

Is waste with properties that make it potentially dangerous or harmful to human health or the environment.

Question 14

Biodegradable

Answer 14

Is a substance or object capable of being decomposed by bacteria or other living organisms.

Question 15

Leachate

Answer 15

Is water that has percolated through a solid and leached out some of the constituents.

Question 16

Smog

Answer 16

Is a fog or haze combined with smoke and other atmospheric pollutants.

Question 17

Acid Precipitation

Answer 17

It precipitation like rain or snow having increased acidity caused by environmental factors like atmospheric pollutants.

Question 18

Biomagnification

Answer 18

Is the concentration of toxins in organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed

Question 19

Incinerator

Answer 19

Is an apparatus for burning waste material, especially industrial waste, at high temperature until it is reduced to ash.

Question 20

Thermal Pollution

Answer 20

A rise in the temperature of rivers or lakes that is injurious to water dwelling life and is caused by the disposal of heated

Question 21

What is the main use of fossil fuels?

Answer 21

Fossil fuels are used to produce energy; in the home they are burned to produce heat, in large power stations they are used to produce electricity and they are also used to power engines.

Question 22

What are the three types of fossil fuels?

Answer 22

Coal, oil, or natural gas

Question 23

What are the advantages of using fossil fuels?

Answer 23

1. Fossil fuels can generate a large amount of electricity at a single location.
2. They can be found very easily.
3. They are cost effective.
4. Transportation of oil and gas can be done easily through pipelines.

Question 24

What are the disadvantages of fossil fuels?

Answer 24

It can contribute to climate change. Fossil fuels are the main driver of global warming. Non-renewable. Fossil fuels are non-renewable sources of energy -unlike solar power, geothermal, and wind energy

Question 25

How are fossil fuels like coal formed?

Answer 25

Fossil fuels are made from decomposing plants and animals. These fuels are found in the Earth's crust and contain carbon and hydrogen, which can be burned for energy.

Question 26

What is the US main source of electricity?

Answer 26

Natural gas

Question 27

How is electricity formed?

Answer 27

It is formed by generated by natural gas, nuclear energy, and coal in 2020.

Question 28

What are the advantages of hydroelectric energy?

Answer 28

It provides benefits beyond electricity generation by providing flood control, irrigation support, and clean drinking water.

Question 29

What are the disadvantages of hydroelectric energy?

Answer 29

It has an environmental impact. The largest disadvantage of hydroelectric energy is the impact it can have on the environment.

Question 30

What are the advantages of wind energy?

Answer 30

The advantages of wind energy is wind power is cost effective, wind creates jobs, wind enables U.S. industry growth and U.S. competitiveness.

Question 31

What are the disadvantages of wind energy?

Answer 31

The disadvantages of wind energy is that it is unpredictability, it is a threat to wildlife, it creates low-level noise and there are limited locations suitable for wind turbines.

Question 32

What are the advantages of geothermal energy?

Answer 32

Geothermal energy is environmentally friendly, renewable, huge potential, sustainable/ stable, heating and cooling and reliable.

Question 33

What are the disadvantages of geothermal energy?

Answer 33

Some disadvantages is that it has environmental issues, surface instability, expensive, location specific and sustainability issues.

Question 34

How does geothermal energy work?

Answer 34

Geothermal power plant use steam to produce electricity. The steam comes from reservoirs of hot water found a few miles or more below the earth's surface. The steam rotates a turbine that activates a generator, which produces electricity.