6.2: Global Energy Consumption

Question 1

Nations and energy use

Answer 1

Developed nations use more energy per capita, but developing nations use more energy total (higher population)

Question 2

Most common fuel source globally and what each type is used for

Answer 2

Fossil fuels;
* Oil = gasoline = main fuel for vehicles
* Coal= main fuel for electricity generation
* Nat. gas = secondary fuel for electricity gen & main fuel for heating

Question 3

Second largest fuel source

Water and electricity

Answer 3

Hydroelectic; water spins a turbine which generates electricity

Question 4

Electricity generation

Answer 4

1. Fossil fuel is burned to produce heat
2. Heat is used to boil water to steam
3. Steam powers and spins turbine
4. Turbine powers a generator
5. Generator produces electricity

Question 5

Third largest fuel source

Fission and electricity

Answer 5

Nuclear; uranium fission releases heat to turn water into steam to turn a turbine to generate electricity

Question 6

Developing nations fuel

Examples of fuel

Answer 6

They depend on subsistence fuels (biomass) that can easily be gathered pr purchased
* Wood, charcoal, dried animal manure.

Question 7

Econ. dev to energy use

Answer 7

Econ. development to affluence to higher per capita GDP to energy use

Question 8

Fracking and availability of fossil fuels

Answer 8

opens new Natural Gas reserves which increases availability, decreases price, and increases use

Question 9

What can the government do?

Answer 9

They can either use taxes to discourage companies from building fossil fuel plants or offer a rebate/subsidy to encourage companies to build renewable energy power plants