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In this project I am going to write about Energy Resources. This will include non - renewable energy, renewable energy resources and what the environmental problems are and also find out if these problems can be reduced.

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Introduction

INTRODUCTION In this project I am going to write about Energy Resources. This will include non - renewable energy, renewable energy resources and what the environmental problems are and also find out if these problems can be reduced. CONTENTS Pages Energy Resources 1 Non-Renewable Energy Resources 1 Fossil Fuels 1 Coal 1-2 Gas 2 Oil 2 Nuclear 3 Fusion and Fission 3 Environmental Problems 3 Nuclear Power Stations: For or Against 4 How Can Environmental Problems Be Reduced 4 Renewable Energy Resources 4 Sunlight 4-5 Solar Power 5 Wind 5 Water (Electricity) 6 Geothermal Energy 6 Generating Electricity 6 Power For The Future 6 Bibliography 7 ENERGY RESOURCES Energy is used as part of everyday lives and can be used in one form or another. Energy is about doing work and it is all around us. Animals need energy to live and machines need energy to work. Energy exists in many forms, such as: - Light - Heat - Electrical - Mechanical - Atomic - Chemical-etc. There are different types of energy resources. They go into two groups, which are Non-renewable and Renewable. NON-RENEWABLE ENERGY RESOURCES Once non-renewable resources (natural resources) are consumed they cannot be replaced. The main energy sources used by humans are non-renewable resources; and some of these include fossil fuels such as coal, gas and oil. Fossil Fuels Coal, oil and gas are the sources of energy we call fossil fuels. They are called fossil fuels because they are decayed and altered remains of plants and animals that lived on earth hundred of millions of years ago. ...read more.

Middle

To make sure the reaction care doesn't get to hot or cold the fission process is carefully controlled by control rods, which are raised up to, speed up fission and increase heat output and lowered to show down fission and reduce heat output. Using nuclear energy is complicated, expensive and dangerous. Nuclear fissions waste's are radioactive and can harm living things, so they should be stored in living things, so they should be stored in special containers to make sure that the radiation does not escape. Disposing can be very expensive. Environmental Problems The environmental problems of using fossil or nuclear fuels are: - Oil spills waste precious resources and cause damage. - Fossil fuels give up poisonous gases when they are burned. - Acid rain is a very poisonous type of pollution caused by burning coal. - When radioactive materials are released into the environment they can poison for hundreds or even thousands of years. - Nuclear reactors need a lot of water to keep them cool and to provide steam. After it is warm and released into lakes and rivers where it raises the temperature, which damages the aquatic environment. - Plutonium, a commonly used fuel could be lethal if its dust is breathed in. Nuclear Power Stations: For or Against? FOR Clean - the atmosphere isn't polluted because of any toxic fumes. No Ash No lorries or trains - bringing coal AGAINST Radiation Danger - not confined to the local area or even to the country owning the power station. ...read more.

Conclusion

Tidal barrage - when the tide comes in, water fills the lake behind the dam. As the tide goes out, the water flows through the power station to turn the turbines and generators. In a wave power generator as the wave rises and falls, they push air up and down past the turbine. The turbine turns the generator to produce electricity. Geothermal Energy Geothermal power stations use the energy of hot rocks inside the earth. This is geothermal energy. The rocks are hot because they contain uranium. Only a few places in the world have the right conditions underground for geothermal power stations. Generating Electricity Fuel like coal, oil and natural gas are burnt in the boiler, which releases heat energy. Petrol is not burnt in power stations because it would be too expensive. Oil is burnt in a power station, that's why it is too expensive. This is used to heat up water, which then changes to high-pressure steam. The steam is then used to drive huge turbines, which are just like really big fans. These turbines are attached to a generator, which spins round like dynamo. Dynamo makes the electricity which is fed onto the natural grid and out to our homes where it powers out TV's, transits etc. It also supplies a lot of industries. Power For The Future Fossil fuels cause pollution and may run out during the foreseeable future. The renewable energy resources are still not producing enough energy to run the world. Nuclear power could well be the answer but the effects it has on the environment are very serious. Nuclear fusion could be a solution to future problems. ...read more.

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