Unit 6

Question 1

List the different types of resources to power the world

Answer 1

Coal, Biomass, Nuclear energy, fossil fules, hydrogen, hyrdoelectric, solar, wind, and geothermal

Question 2

What is the most used renewable energy

Answer 2

Biomass

Question 3

What is the criteria of energy

Answer 3

Produce heat, power life, or produce electricity

Question 4

What is fuel

Answer 4

Matter that stores energy

Question 5

List 4 fossil fuels

Answer 5

coal, petroleum, natural gas, nuclear fuel

Question 6

List renewable energies

Answer 6

Bioenergy, hydropower, solar, geothermal

Question 7

How much energy do developed countries use

Answer 7

20% of people use 50% of all the energy

Question 8

How is methane and ethanol produced

Answer 8

digestion of biomass

Question 9

What are hybrid tanks made out of

Answer 9

gas and electric

Question 10

How do I figure out the kWH with watts and time

Answer 10

time multiplied by watts divided by 1,000

Question 11

what do all nonrenewable resource power plants use heat for

Answer 11

produce steam to turn electric generators

Question 12

Explain geothermal and its effects

Answer 12

Using heat stored from earth. 97% less acid rain and 99% C02

Question 13

Explain conservation methods and its results

Answer 13

Public transport. Green building. Hybrid vehicles. Save money and health benefits

Question 14

Explain biomass and its effects

Answer 14

Organic material being burned like wood, food, garbage, ethanol, and biodiesel. Combustion CO2, ethanol substitutes gas

Question 15

Explain hydrogen fuel and its effects

Answer 15

High energy content per unit but more expensive. Low impacts no co2

Question 16

What happened at 3 mile island

Answer 16

A valve was turned off realeasing radiation

Question 17

What happened at chernobyl

Answer 17

Nuclear reaction caused radiation which blown over Europe’s

Question 18

What happened at Fukushima

Answer 18

Earthquake tsunami which caused radiation

Question 19

What are the effects of radiation

Answer 19

Cancer. Infant mortality rate. Plants an agriculture

Question 20

Explain wind and its effects

Answer 20

Wind turbines collect kinetic energy. No pollution no C02 no water needed. Large scale and expensive

Question 21

Explain solar and its effects

Answer 21

Different solar panels like photovoltaic cells. No pollutants no C02 but very expensive and takes a lot of land

Question 22

Explain hydroelectric and its effects

Answer 22

Flow and height determined energy. Dams collect and spin turbines in rivers. No pollution but obstructs fish migration and changes temperature of water