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Natural Resources and World Classifications of Economies.

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Presentation on theme: "Natural Resources and World Classifications of Economies."— Presentation transcript:

1 Natural Resources and World Classifications of Economies

2 Natural Resources Elements from the Earth that are not made by people but can be used by them. Elements from the Earth that are not made by people but can be used by them.

3 Renewable Resources A natural resources which can never be used up or can be replaced naturally or grown again in a relatively short amount of time A natural resources which can never be used up or can be replaced naturally or grown again in a relatively short amount of time

4 Nonrenewable Resources A natural resources which can not be replaced, such as minerals and fossils fuels. A natural resources which can not be replaced, such as minerals and fossils fuels.

5 Fossils Fuels Coal Coal Oil Oil Natural Gas Natural Gas

6 USA Energy Sources

7 Fossil Fuels & Energy Fossil fuels – coal, oil and natural gas -- currently provide more than 85% of all the energy consumed in the United States, nearly two-thirds of our electricity, and virtually all of our transportation fuels. Fossil fuels – coal, oil and natural gas -- currently provide more than 85% of all the energy consumed in the United States, nearly two-thirds of our electricity, and virtually all of our transportation fuels.

8 Advantages of Fossil Fuels Our society is built around fossils fuel Our society is built around fossils fuel It is relatively inexpensive (compared to other energy sources) It is relatively inexpensive (compared to other energy sources) It is what we know It is what we know

9 Disadvantages of Fossils Fuels Release of the greenhouse gas- carbon dioxide- when burned. Release of the greenhouse gas- carbon dioxide- when burned. Environmental damaged in the retrieval (mines, etc). Environmental damaged in the retrieval (mines, etc). Pollution- Acid rain and water pollution Pollution- Acid rain and water pollution Natural security costs- protecting foreign sources of oil Natural security costs- protecting foreign sources of oil Very dependent on one form of energy Very dependent on one form of energy Will run out eventually Will run out eventually

10 CARS! Cars are the main consumers of energy in America Cars are the main consumers of energy in America Over 70 percent of the fossil fuels used in America go to cars and other forms of transportation Over 70 percent of the fossil fuels used in America go to cars and other forms of transportation This is primarily in the form of Gasoline This is primarily in the form of Gasoline

11 Other Fuel Sources Electric-Cars use electricity (some use gas as a hybrid fuel source) by plugging in to an outlet like an other appliance Electric-Cars use electricity (some use gas as a hybrid fuel source) by plugging in to an outlet like an other appliance Natural Gas-Compressed natural gas, similar to that used to heat homes Natural Gas-Compressed natural gas, similar to that used to heat homes Biofuel-Fuels made from plant/animal sources, such as ethanol (corn based), algal fuel, and lard fuels Biofuel-Fuels made from plant/animal sources, such as ethanol (corn based), algal fuel, and lard fuels Hydrogen-Purer gas than CNG, uses fuel cells instead of gas tanks Hydrogen-Purer gas than CNG, uses fuel cells instead of gas tanks Maybe even…Salt water? Maybe even…Salt water?

12 Pros and Cons of Other Fuels Why not just use other fuels in our cars?

13 Why Gasoline? Gasoline has been used for over 110 years to power our vehicles Gasoline has been used for over 110 years to power our vehicles It is easy to make and use, and almost all our engines are designed to use it It is easy to make and use, and almost all our engines are designed to use it It generates a lot of power compared to other fuels It generates a lot of power compared to other fuels How much power?

14 Why NOT Gasoline? Gasoline is a Non-renewable resource Gasoline is a Non-renewable resource Other fuels burn cleaner than gas Other fuels burn cleaner than gas Hydrogen cells only release water, electric cars don’t have emissions (from the car, at least) Hydrogen cells only release water, electric cars don’t have emissions (from the car, at least) They can be renewable They can be renewable Electricity can be generated by wave generators, solar power, etc. Electricity can be generated by wave generators, solar power, etc.

15 Non-gasoline cars are a little… …Ugly.

16 Renewable Energy Resources Hydroelectric Power Hydroelectric Power Solar Power Solar Power Wind Power Wind Power Nuclear Power Nuclear Power

17 Hydroelectric Using water to make power- dams Using water to make power- dams 7% of US energy and 19% of world energy 7% of US energy and 19% of world energy Advantages- renewable, not much pollution, reliable Advantages- renewable, not much pollution, reliable Disadvantages- expensive to put into place (dams), floods areas of land with water (Glen Canyon), could cause disruptions to habitats Disadvantages- expensive to put into place (dams), floods areas of land with water (Glen Canyon), could cause disruptions to habitats

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19 Solar Energy Collect energy from the sun Collect energy from the sun Advantages- Inexhaustible fuel source, No pollution Advantages- Inexhaustible fuel source, No pollution Disadvantages-expensive, large numbers of solar panels (and thus large land areas) are required to produce useful amounts of heat or electricity, Only areas of the world with lots of sunlight are suitable for solar power Disadvantages-expensive, large numbers of solar panels (and thus large land areas) are required to produce useful amounts of heat or electricity, Only areas of the world with lots of sunlight are suitable for solar power

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21 Wind Power Collect energy from the wind (turbines) Collect energy from the wind (turbines) Advantages- Inexhaustible fuel source, No pollution Advantages- Inexhaustible fuel source, No pollution Disadvantages-expensive, large numbers of turbines are required to produce useful amounts of heat or electricity, Only areas of the world with lots of wind are suitable for solar power Disadvantages-expensive, large numbers of turbines are required to produce useful amounts of heat or electricity, Only areas of the world with lots of wind are suitable for solar power

22 Nuclear Power Nuclear fission involves the splitting of a heavy element into lighter elements. Need deposits of uranium can successfully operate a fission power plant. Nuclear fission involves the splitting of a heavy element into lighter elements. Need deposits of uranium can successfully operate a fission power plant. Advantages- Relatively little fuel is needed (uranium), is not believed to contribute to global warming or other pollution effects associated with fossil fuel Advantages- Relatively little fuel is needed (uranium), is not believed to contribute to global warming or other pollution effects associated with fossil fuel Disadvantages- Possibility of nuclear meltdown from uncontrolled reaction--leads to nuclear fallout with potentially harmful effects on civilians, waste products can be used to manufacture weapons, high initial cost because plant requires containment safeguards Disadvantages- Possibility of nuclear meltdown from uncontrolled reaction--leads to nuclear fallout with potentially harmful effects on civilians, waste products can be used to manufacture weapons, high initial cost because plant requires containment safeguards

23 Nuclear Power

24 Are natural resources spread evenly around the world? INSERT MAP FROM BOOK INSERT MAP FROM BOOK

25 What role does energy play in people’s lives? Utah’s average energy use Utah’s average energy use

26 Why do people live by natural resources? Most Utahns live along the Wasatch Front mountain range. Why? Most Utahns live along the Wasatch Front mountain range. Why?


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