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Non-renewable energy sources like oil, gas, and coal were formed from the remains of ancient organisms over millions of years. Nuclear fuel comes from uranium ore found naturally underground. Renewable sources harness ongoing natural processes: waves and tides use ocean motion; geothermal and biomass use heat from the Earth's interior and from organic matter; hydroelectricity uses flowing water; solar panels capture the sun's energy; and wind turbines are turned by wind formed by uneven solar heating. These renewable sources provide sustainable alternatives to non-renewable fossil fuels and nuclear power.
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Energy Introduction
An introduction of the topic of energy. Presentation outlines the different types of energy and their usage. Also features positives and negatives of each.
The fossily thingy
Fossil fuels like coal, oil, and natural gas were formed from the remains of ancient plants and animals over millions of years. Coal forms from decayed vegetation, oil forms from animal and plant remains, and natural gas forms from buried organic matter. These fossil fuels are non-renewable resources that provide energy when burned but also release greenhouse gases like carbon dioxide, contributing to global warming over time.
Sources Of Energy
The document discusses several sources of energy:
Fossil fuels like petroleum, coal, and natural gas are extracted through drilling or mining and can be stored in containers. Solar energy from the sun is captured through solar panels and can be stored in batteries. Biomass energy from burning wood is one of the most established sources and can be stored in containers, trucks, or houses. Wind energy captured through windmills can be stored in batteries. Geothermal energy from underground heat is captured through pipes and stored in the earth. Hydroelectric energy is captured using dams for storage.
Child of an island
A part of the old island known as Rakat is still visible in the sea, a little away from the new arrival - Anak Krakatoa.
After Krakatoa’s eruption in 1883, all the surrounding islands and coast were covered with hot ash. No life remained. When a scientist visited it in 1884, he found just one spider there.
But the living world on Rakat was not lost and gone forever. The wind and the sea brought seeds of plants to the island. Some seeds came with the birds that flew over the island. Plants and animals that live in the sea came to the coasts again. Small land animals like ants, termites or even rats and lizards travelled to the island on plants floating in the sea. The island was soon teeming with plants and animals.
evolution of Island creation
Types Of Power
The document discusses various sources of energy including fossil fuels like coal, petroleum and natural gas. It also discusses nuclear fission which involves splitting atoms to produce energy. Nuclear waste is a concern. Hydroelectric power uses the kinetic energy of moving water through turbines. Biomass, wind, solar, geothermal and nuclear fusion are also renewable energy sources discussed in the document. Methods of storing various energy sources include containers, tanks, batteries and splitting water.
Fossil fuels power point
Fossil fuels are fuels formed from the remains of ancient organisms through decomposition over millions of years under high heat and pressure. The three main types of fossil fuels are coal, petroleum, and natural gas. Coal forms from decomposed plant matter that is compressed over time to form peat and eventually coal. Oil forms from the remains of ancient organisms buried under sediment that are subjected to heat and pressure over millions of years. Natural gas forms similarly from the remains of ancient organisms deep underground subjected to heat and pressure over time. These fossil fuels are important sources of energy that are extracted and refined for use in powering vehicles, machinery, and generating electricity when burned.
Comenius
This document defines and provides examples of different types of renewable energy sources, including solar, wind, tidal, hydroelectric, biomass, and geothermal energy. It explains that renewable energy comes from resources that replenish themselves naturally, such as sunlight, wind, rain, tides, waves and geothermal heat. For each type of renewable energy, it provides a brief description of how it works and can be used to generate electricity or power.
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The document discusses the greenhouse effect and global warming. It explains that the greenhouse effect is natural and helps keep the planet warm, but human activity is adding more greenhouse gases than normal. This is causing the layer of gases to thicken and trap more heat, increasing the earth's temperature. Power stations burning fossil fuels and vehicles releasing emissions are major contributors to rising CO2 levels. The consequences of global warming include melting ice caps and rising sea levels, more extreme weather events like hurricanes, droughts and flooding, and threats to low-lying islands and coastal areas.
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Energy Introduction
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Fossil fuels like petroleum, coal, and natural gas are extracted through drilling or mining and can be stored in containers. Solar energy from the sun is captured through solar panels and can be stored in batteries. Biomass energy from burning wood is one of the most established sources and can be stored in containers, trucks, or houses. Wind energy captured through windmills can be stored in batteries. Geothermal energy from underground heat is captured through pipes and stored in the earth. Hydroelectric energy is captured using dams for storage.
Child of an island
A part of the old island known as Rakat is still visible in the sea, a little away from the new arrival - Anak Krakatoa.
After Krakatoa’s eruption in 1883, all the surrounding islands and coast were covered with hot ash. No life remained. When a scientist visited it in 1884, he found just one spider there.
But the living world on Rakat was not lost and gone forever. The wind and the sea brought seeds of plants to the island. Some seeds came with the birds that flew over the island. Plants and animals that live in the sea came to the coasts again. Small land animals like ants, termites or even rats and lizards travelled to the island on plants floating in the sea. The island was soon teeming with plants and animals.
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The document discusses various sources of energy including fossil fuels like coal, petroleum and natural gas. It also discusses nuclear fission which involves splitting atoms to produce energy. Nuclear waste is a concern. Hydroelectric power uses the kinetic energy of moving water through turbines. Biomass, wind, solar, geothermal and nuclear fusion are also renewable energy sources discussed in the document. Methods of storing various energy sources include containers, tanks, batteries and splitting water.
Fossil fuels power point
Fossil fuels are fuels formed from the remains of ancient organisms through decomposition over millions of years under high heat and pressure. The three main types of fossil fuels are coal, petroleum, and natural gas. Coal forms from decomposed plant matter that is compressed over time to form peat and eventually coal. Oil forms from the remains of ancient organisms buried under sediment that are subjected to heat and pressure over millions of years. Natural gas forms similarly from the remains of ancient organisms deep underground subjected to heat and pressure over time. These fossil fuels are important sources of energy that are extracted and refined for use in powering vehicles, machinery, and generating electricity when burned.
Comenius
This document defines and provides examples of different types of renewable energy sources, including solar, wind, tidal, hydroelectric, biomass, and geothermal energy. It explains that renewable energy comes from resources that replenish themselves naturally, such as sunlight, wind, rain, tides, waves and geothermal heat. For each type of renewable energy, it provides a brief description of how it works and can be used to generate electricity or power.
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Non renewable resource
This document discusses non-renewable resources. It defines non-renewable resources as those that do not replenish themselves quickly enough to be considered sustainable. Examples given are fossil fuels like coal, petroleum and natural gas. It notes that these fuels were formed over millions of years from ancient organic materials. In contrast, renewable resources like sustainably harvested timber and wind power can replenish on human timescales. Fossil fuels are difficult to obtain but provide large amounts of energy. The top oil and gas producing countries are also listed. Nuclear fuels obtained from uranium mining are also considered non-renewable but can generate energy cleanly. Non-renewable resources are finite and will eventually be depleted as they cannot repl
Fossil fuel
Fossil fuels are the remains of ancient plants and animals that have undergone heat and pressure over millions of years to form coal, oil, and natural gas. Coal forms from decaying plant matter and goes through stages from lignite to bituminous to anthracite as it gains carbon. Oil forms from animal and plant remains under layers of sediment. Natural gas forms from organic material trapped under rock. These fossil fuels are extracted and refined for use as energy sources by burning them to produce electricity or using oil and natural gas as transportation fuels and to power machinery. Major oil spills like the Exxon Valdez and Deepwater Horizon catastrophes cause environmental damage that can persist for decades.
Fossil fuels
Fossil fuels such as coal, oil, and natural gas are non-renewable energy sources formed from the remains of ancient plants and animals. Coal forms over millions of years as vegetation decays and is compressed. There are different types of coal that vary in carbon content and energy level. Fossil fuels are essential as they currently meet over 85% of global energy demands, being used for heating, electricity, and in various products like plastics and chemicals. However, their extraction and use also carries environmental risks like oil spills, as evidenced by the Exxon Valdez and Deepwater Horizon incidents.
Energy resources
The document discusses seven main types of energy resources: solar, geothermal, hydroelectric, wind, biomass, nuclear, and fossil fuels. Solar energy comes from the sun and can be converted to thermal or electrical energy. Geothermal energy uses heat from inside the Earth, while hydroelectric harnesses the power of falling water. Wind and biomass energies respectively use air flow and plant materials as fuel sources. Nuclear energy comes from uranium atoms and is nonrenewable. Fossil fuels were formed from ancient plant and animal waste.
Fossil fuels Formation
Fossil fuels are natural fuels formed from the remains of ancient organisms. There are three main types: coal, oil, and gas. Coal is formed over millions of years when plant and animal remains are decomposed, turn to peat, and are compressed by layers of sediment into sedimentary rock. Oil and gas are formed similarly through decomposition of organisms on sea beds, which over millions of years compress and separate into oil or gas deposits trapped within rock formations.
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Coal has been an important industry in Pennsylvania for over 250 years. In its peak in 1918, 330,000 miners produced 277 million tons of coal. However, production declined through the mid-20th century due to economic factors and the rise of other energy sources. Today, around 7,000 Pennsylvanians work in coal mining, producing around 75 million tons annually. While an important resource, coal mining can damage the environment through acid drainage, groundwater disruption, and landscape changes unless properly regulated. Pennsylvania still has over 76 billion tons of untapped coal reserves remaining.
Fossil fuels
Fossil fuels are non-renewable energy sources formed over 300 million years ago from the remains of dead plants and animals. The three main types of fossil fuels are coal, oil, and natural gas, which are found underground. Fossil fuels such as oil are extracted through industrial refining processes but accidents like the Exxon Valdez and Deepwater Horizon oil spills have caused environmental damage when fuel is released into the ocean and coastlines.
Yellowstone 4.0wS
Yellowstone is US first National Park. It is also the world’s oldest. The park was created in 1872. Today National Parks are established for purpose of conservation. These are designated areas of natural beauty, an island in a developing world.
Today, Yellowstone National Park is probably the best known in the world and easily accessible. Wildlife abounds from the smallest to the largest mammals found in North America. The wolf, here, is a recovery story that is a major restoration of the balance of nature. There large herd of bison roaming in park, following their migration routes. Black and brown bears are frequently seen here. The park lies in the heart of the the Rocky Mountain Range. Here, powerful volcanic forces erupted 2 million, 1.3 million and as recently as 640,000 years ago, to create three of the world’s largest volcanic depressions, or calderas.
Native Americans have lived in the region for at least 11,000 years. Today with large number of visitors, the management and control of the park is vital to ensure its long term future.
Fossil fuels
Fossil fuels such as coal, oil, and natural gas are formed from the remains of ancient plants and animals. Coal is formed from decaying ferns and trees in swamps, while oil and natural gas form from decaying plankton on lake and ocean floors. These fossil fuels are non-renewable and are important sources of energy, providing about 90% of the world's current energy needs. However, their extraction and use also carries environmental risks such as oil spills.
Majour source of energy alternative of fuel
This document discusses different sources of energy, including fossil fuels like coal, petroleum and natural gas. It also discusses alternative and renewable sources of energy like solar, wind, tidal, biomass and nuclear energy. Fossil fuels are non-renewable and their combustion produces greenhouse gases, but they are easily combustible and produce large amounts of energy. Renewable sources like solar, wind and tidal do not produce emissions but have limitations around availability. Nuclear energy produces through fission or fusion reactions but has risks. In conclusion, non-renewable resources will be depleted so renewable alternatives need further development to meet future energy demands.
Energy resources ppt
Nonrenewable resources such as minerals and fossil fuels cannot be replaced at the same rate at which they are consumed. They are finite resources formed over long geological periods. Renewable resources such as solar, wind, and hydropower can be replenished naturally in a short period of time through natural processes like the sun's heat and the wind. The key difference between nonrenewable and renewable resources is that nonrenewables are depleted once extracted while renewables can be replenished within our lifetimes through natural cycles.
Fossil fuel physics project
Fossil fuels such as coal, crude oil, and natural gas are formed over millions of years as dead plants and organisms are buried and exposed to heat and pressure deep underground. They provide a highly energy-dense fuel source and are important for powering vehicles, generating electricity, and more, but are non-renewable and their combustion contributes to pollution and global climate change. The theory of fossil fuel formation from ancient biological matter was first introduced in the 16th century.
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The document discusses the three main types of fossil fuels - petroleum, natural gas, and coal. It explains how they were formed from ancient plant and animal matter, and their different characteristics and uses. It also addresses the dangers of burning fossil fuels and ideas for conservation, since fossil fuels are non-renewable resources that could run out within a century if not properly managed.
Fossil fuels power point
Fossil fuels such as coal, oil, and natural gas were formed over millions of years from the remains of ancient organisms. Coal is a hard, black rock that is burned for energy, while oil was formed from microscopic sea creatures and is refined into fuel. Natural gas is composed mostly of methane and is extracted from underground reservoirs for use in powering homes and businesses. The document discusses two major oil spills, Exxon Valdez and Deepwater Horizon, which caused environmental damage.
Sources Of Energy
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Sources of energy for class 10th
This document discusses various sources of energy from the sea, including tidal energy, wave energy, and ocean thermal energy. Tidal energy is generated using dams and turbines to capture the kinetic energy of rising and falling tides. Wave energy uses similar turbines to capture the energy of ocean waves. Ocean thermal energy exploits the temperature difference between warm surface water and cold deep water to power generators.
Sources of Energy
Biomass is an important renewable energy form that includes the use of food, wood, straw, vegetable oils, and wastes from forests, agriculture, and industry. Energy is captured from biomass by burning it to produce heat, steam, and electricity.
Fossil fuels include different types of oil, gas, and jet fuel that are extracted from the earth. They form from the remains of prehistoric plants and animals and are non-renewable resources.
Hydroelectric energy produces power through dams that trap water in valleys and lakes. Water is allowed to flow through tunnels in dams, turning turbines that drive generators to produce electricity.
The world and its resources
This document discusses several of the world's non-renewable natural resources including oil, coal, uranium, and provides details on how they are formed and used. It also discusses renewable energy sources like nuclear power, wind energy, and hydroelectric power. Oil and coal are fossil fuels formed from ancient marine life millions of years ago. Uranium is mined for nuclear fuel and weapons. Nuclear power creates electricity through controlled fission, while wind turbines and hydroelectric dams convert kinetic energy from the wind and moving water into electricity.
The world and its resources
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Natural Resources-Power From the Environment
This is a description of each of the earths natural resources, how they work, and how they affect the environment.
Mineral and power resources
The document discusses different types of natural resources and renewable energy sources. It defines minerals as naturally occurring inorganic substances and describes their properties. It then discusses the study of minerals called mineralogy. It provides examples of minerals used for gems and metals like copper, aluminum, and silicon. It also discusses coal as a fossil fuel made up mainly of carbon that is a major fuel source for power plants but causes air pollution. Other sections cover natural resources in general that support life and how renewable resources need to be conserved through reforestation and national parks. It also introduces various renewable energy sources like solar, geothermal, tidal, wind, and hydropower.
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21. Energy sources ( Clean coal non renewable energy ) A Series of Prese...
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Non renewable resource
This document discusses non-renewable resources. It defines non-renewable resources as those that do not replenish themselves quickly enough to be considered sustainable. Examples given are fossil fuels like coal, petroleum and natural gas. It notes that these fuels were formed over millions of years from ancient organic materials. In contrast, renewable resources like sustainably harvested timber and wind power can replenish on human timescales. Fossil fuels are difficult to obtain but provide large amounts of energy. The top oil and gas producing countries are also listed. Nuclear fuels obtained from uranium mining are also considered non-renewable but can generate energy cleanly. Non-renewable resources are finite and will eventually be depleted as they cannot repl
Fossil fuel
Fossil fuels are the remains of ancient plants and animals that have undergone heat and pressure over millions of years to form coal, oil, and natural gas. Coal forms from decaying plant matter and goes through stages from lignite to bituminous to anthracite as it gains carbon. Oil forms from animal and plant remains under layers of sediment. Natural gas forms from organic material trapped under rock. These fossil fuels are extracted and refined for use as energy sources by burning them to produce electricity or using oil and natural gas as transportation fuels and to power machinery. Major oil spills like the Exxon Valdez and Deepwater Horizon catastrophes cause environmental damage that can persist for decades.
Fossil fuels
Fossil fuels such as coal, oil, and natural gas are non-renewable energy sources formed from the remains of ancient plants and animals. Coal forms over millions of years as vegetation decays and is compressed. There are different types of coal that vary in carbon content and energy level. Fossil fuels are essential as they currently meet over 85% of global energy demands, being used for heating, electricity, and in various products like plastics and chemicals. However, their extraction and use also carries environmental risks like oil spills, as evidenced by the Exxon Valdez and Deepwater Horizon incidents.
Energy resources
The document discusses seven main types of energy resources: solar, geothermal, hydroelectric, wind, biomass, nuclear, and fossil fuels. Solar energy comes from the sun and can be converted to thermal or electrical energy. Geothermal energy uses heat from inside the Earth, while hydroelectric harnesses the power of falling water. Wind and biomass energies respectively use air flow and plant materials as fuel sources. Nuclear energy comes from uranium atoms and is nonrenewable. Fossil fuels were formed from ancient plant and animal waste.
Fossil fuels Formation
Fossil fuels are natural fuels formed from the remains of ancient organisms. There are three main types: coal, oil, and gas. Coal is formed over millions of years when plant and animal remains are decomposed, turn to peat, and are compressed by layers of sediment into sedimentary rock. Oil and gas are formed similarly through decomposition of organisms on sea beds, which over millions of years compress and separate into oil or gas deposits trapped within rock formations.
Coal In Pa
Coal has been an important industry in Pennsylvania for over 250 years. In its peak in 1918, 330,000 miners produced 277 million tons of coal. However, production declined through the mid-20th century due to economic factors and the rise of other energy sources. Today, around 7,000 Pennsylvanians work in coal mining, producing around 75 million tons annually. While an important resource, coal mining can damage the environment through acid drainage, groundwater disruption, and landscape changes unless properly regulated. Pennsylvania still has over 76 billion tons of untapped coal reserves remaining.
Fossil fuels
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Yellowstone 4.0wS
Yellowstone is US first National Park. It is also the world’s oldest. The park was created in 1872. Today National Parks are established for purpose of conservation. These are designated areas of natural beauty, an island in a developing world.
Today, Yellowstone National Park is probably the best known in the world and easily accessible. Wildlife abounds from the smallest to the largest mammals found in North America. The wolf, here, is a recovery story that is a major restoration of the balance of nature. There large herd of bison roaming in park, following their migration routes. Black and brown bears are frequently seen here. The park lies in the heart of the the Rocky Mountain Range. Here, powerful volcanic forces erupted 2 million, 1.3 million and as recently as 640,000 years ago, to create three of the world’s largest volcanic depressions, or calderas.
Native Americans have lived in the region for at least 11,000 years. Today with large number of visitors, the management and control of the park is vital to ensure its long term future.
Fossil fuels
Fossil fuels such as coal, oil, and natural gas are formed from the remains of ancient plants and animals. Coal is formed from decaying ferns and trees in swamps, while oil and natural gas form from decaying plankton on lake and ocean floors. These fossil fuels are non-renewable and are important sources of energy, providing about 90% of the world's current energy needs. However, their extraction and use also carries environmental risks such as oil spills.
Majour source of energy alternative of fuel
This document discusses different sources of energy, including fossil fuels like coal, petroleum and natural gas. It also discusses alternative and renewable sources of energy like solar, wind, tidal, biomass and nuclear energy. Fossil fuels are non-renewable and their combustion produces greenhouse gases, but they are easily combustible and produce large amounts of energy. Renewable sources like solar, wind and tidal do not produce emissions but have limitations around availability. Nuclear energy produces through fission or fusion reactions but has risks. In conclusion, non-renewable resources will be depleted so renewable alternatives need further development to meet future energy demands.
Energy resources ppt
Nonrenewable resources such as minerals and fossil fuels cannot be replaced at the same rate at which they are consumed. They are finite resources formed over long geological periods. Renewable resources such as solar, wind, and hydropower can be replenished naturally in a short period of time through natural processes like the sun's heat and the wind. The key difference between nonrenewable and renewable resources is that nonrenewables are depleted once extracted while renewables can be replenished within our lifetimes through natural cycles.
Fossil fuel physics project
Fossil fuels such as coal, crude oil, and natural gas are formed over millions of years as dead plants and organisms are buried and exposed to heat and pressure deep underground. They provide a highly energy-dense fuel source and are important for powering vehicles, generating electricity, and more, but are non-renewable and their combustion contributes to pollution and global climate change. The theory of fossil fuel formation from ancient biological matter was first introduced in the 16th century.
Fossil fuels
The document discusses the three main types of fossil fuels - petroleum, natural gas, and coal. It explains how they were formed from ancient plant and animal matter, and their different characteristics and uses. It also addresses the dangers of burning fossil fuels and ideas for conservation, since fossil fuels are non-renewable resources that could run out within a century if not properly managed.
Fossil fuels power point
Fossil fuels such as coal, oil, and natural gas were formed over millions of years from the remains of ancient organisms. Coal is a hard, black rock that is burned for energy, while oil was formed from microscopic sea creatures and is refined into fuel. Natural gas is composed mostly of methane and is extracted from underground reservoirs for use in powering homes and businesses. The document discusses two major oil spills, Exxon Valdez and Deepwater Horizon, which caused environmental damage.
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21. Energy sources ( Clean coal non renewable energy ) A Series of Prese...
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Similar to Renewable
Sources Of Energy
The document discusses different sources of energy. It defines sources of energy as those capable of providing steady useful energy over long periods. Renewable sources like solar, wind and hydro can be replenished, while non-renewable sources like coal and gas cannot. A good source of energy should supply enough amounts economically and cause minimal pollution. Both conventional sources like fossil fuels and non-conventional sources like nuclear and solar are described. Their uses, advantages and limitations are summarized.
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This document discusses various sources of energy from the sea, including tidal energy, wave energy, and ocean thermal energy. Tidal energy is generated using dams and turbines to capture the kinetic energy of rising and falling tides. Wave energy uses similar turbines to capture the energy of ocean waves. Ocean thermal energy exploits the temperature difference between warm surface water and cold deep water to power generators.
Sources of Energy
Biomass is an important renewable energy form that includes the use of food, wood, straw, vegetable oils, and wastes from forests, agriculture, and industry. Energy is captured from biomass by burning it to produce heat, steam, and electricity.
Fossil fuels include different types of oil, gas, and jet fuel that are extracted from the earth. They form from the remains of prehistoric plants and animals and are non-renewable resources.
Hydroelectric energy produces power through dams that trap water in valleys and lakes. Water is allowed to flow through tunnels in dams, turning turbines that drive generators to produce electricity.
The world and its resources
This document discusses several of the world's non-renewable natural resources including oil, coal, uranium, and provides details on how they are formed and used. It also discusses renewable energy sources like nuclear power, wind energy, and hydroelectric power. Oil and coal are fossil fuels formed from ancient marine life millions of years ago. Uranium is mined for nuclear fuel and weapons. Nuclear power creates electricity through controlled fission, while wind turbines and hydroelectric dams convert kinetic energy from the wind and moving water into electricity.
The world and its resources
This document discusses several of the world's non-renewable natural resources including oil, coal, uranium, and provides details on how they are formed and used. It also covers renewable energy sources like nuclear power, wind energy, and hydroelectric power. Oil and coal are fossil fuels formed from ancient marine life millions of years ago. Uranium is mined for nuclear fuel and weapons. Nuclear power creates electricity through controlled fission, while wind turbines and hydroelectric dams convert kinetic energy from the wind and moving water into electricity.
Natural Resources-Power From the Environment
This is a description of each of the earths natural resources, how they work, and how they affect the environment.
Mineral and power resources
The document discusses different types of natural resources and renewable energy sources. It defines minerals as naturally occurring inorganic substances and describes their properties. It then discusses the study of minerals called mineralogy. It provides examples of minerals used for gems and metals like copper, aluminum, and silicon. It also discusses coal as a fossil fuel made up mainly of carbon that is a major fuel source for power plants but causes air pollution. Other sections cover natural resources in general that support life and how renewable resources need to be conserved through reforestation and national parks. It also introduces various renewable energy sources like solar, geothermal, tidal, wind, and hydropower.
Renewable Energy
This is a powerpoint on Renewable Energy and it talks about all the Renewable sources of energy available and how they work. (Although some may say that Nuclear Fission is not renewable)
Non conventional source of energy
R. Adhitya's project discusses various sources of energy. Some renewable sources mentioned include solar, wind, water, biomass, and tidal energy. Solar energy is obtained from the sun as heat and light and used in solar heating and lighting devices. Biomass includes organic waste that is decomposed by microorganisms to produce biogas. Wind energy is captured by windmills and used to generate electricity or do mechanical work like grinding grains. Tidal energy harnesses the rising and falling tides to power generators. Geothermal energy utilizes the natural heat from within the Earth's crust collected at hot spots.
Renew nonrenew
The document discusses various renewable and non-renewable energy resources. It provides background on fossil fuels like coal, oil and natural gas, which are non-renewable resources formed from ancient organisms but currently provide most of the world's energy. It also outlines various renewable energy sources like solar, wind, hydroelectric, geothermal and biomass energy and how they work. Nuclear energy is discussed as both a current and past energy source.
Sources of energy
Fossil fuels are non-renewable sources of energy formed from the remains of ancient organisms. They cause air and water pollution when burned and are found in limited reserves. Biomass is plant matter grown to generate electricity or heat, while biogas is produced from organic waste through anaerobic digestion. Wind energy uses wind turbines to generate electricity from kinetic wind energy. Solar energy uses solar panels and cookers to convert sunlight into electricity or heat energy. Tidal, wave, and ocean thermal energy convert the kinetic energy of tides and ocean temperature differences into electricity. Geothermal energy uses underground heat sources to generate steam and electricity. Nuclear energy produces energy through either nuclear fission of uranium atoms or nuclear fusion of
Sourcesofenergy 130628022156-phpapp01
Fossil fuels are non-renewable sources of energy formed from ancient organic materials. When burned, they release pollutants like carbon and sulfur oxides that cause acid rain and air pollution. Fossil fuels are also used in thermal power plants to generate electricity. Biomass is plant matter grown to generate electricity or heat. Biogas is produced from organic waste through anaerobic digestion and is comprised of methane and carbon dioxide. Wind turbines convert kinetic wind energy into electrical energy, while windmills use wind to power mechanical devices. Solar panels generate electricity from solar radiation using photovoltaic cells, and solar cookers use reflected sunlight to cook food.
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The document discusses seven main sources of energy: fossil fuels like oil, natural gas and coal which are formed from dead plants and animals over millions of years; solar energy from the sun which can be stored in batteries; wind energy from wind movement which is driven by solar heating and can be stored in batteries; fusion energy from nuclear fusion reactions combining light atomic nuclei; hydroelectric energy from water turbines converting the energy of falling or fast-flowing water; biomass energy from burning organic materials like wood; and geothermal energy from heat underground used to generate steam and electricity.
Taylor And Scotty
The document discusses seven main sources of energy: fossil fuels like oil, natural gas and coal which are formed from dead plants and animals over millions of years; solar energy from the sun which can be stored in batteries; wind energy from wind movement which is caused by solar heating and can be stored in batteries; fusion energy from nuclear fusion reactions combining light atomic nuclei; hydroelectric energy from water turbines converting the energy of falling or fast-flowing water; biomass energy from burning organic materials like wood; and geothermal energy from heat underground used to generate steam and electricity.
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This document discusses various sustainable energy sources including solar, wind, hydropower, biomass, geothermal, and tidal energy. It defines sustainable energy as renewable sources such as sunlight, wind, and geothermal heat that replenish naturally. Some key points made include:
- Solar energy can be converted to heat and electricity to power homes, buildings, and generate power. However, it requires large areas for collection.
- Wind energy is caused by uneven solar heating and is used to generate electricity through wind turbines.
- Biomass includes organic materials like wood and agricultural waste that store sunlight's energy through photosynthesis. It can be burned or processed to release this energy.
Mother Earth
The document summarizes the formation and early development of Earth. It describes how Earth began as a molten planet that cooled over time, forming a crust and oceans. Early life first appeared as single-celled organisms approximately 3 billion years ago, which later evolved into more complex multicellular organisms. The document then discusses how humans have exploited Earth's resources and the impacts of climate change. It emphasizes the importance of transitioning to renewable energy sources to ensure a sustainable future for the planet.
Solar energy
Solar energy is the primary source of energy on Earth and is produced by nuclear fusion reactions in the Sun's core. It provides nearly all the heat and light received by Earth and sustains life. There are two main types of solar collectors - flat plate collectors and concentrating collectors. Flat plate collectors use sunlight to heat a fluid like water or air for uses like water and space heating. Concentrating collectors reflect and focus sunlight to achieve higher temperatures suitable for applications like electricity generation and industrial processes. While solar energy technologies are advancing, generating electricity from solar power remains more expensive than from fossil fuels currently. However, as technologies improve and fossil fuels become more scarce, solar power generation may become more widespread and competitive.
Alternative sources of_energy (1)
This document discusses various alternative sources of energy that can be used instead of non-renewable energy sources. It defines alternative energy as sources that can be sustained for future generations. Some key alternative energy sources mentioned are solar energy, which is collected from sunlight; wind energy, which uses turbines to convert wind power to electricity; hydro energy, which uses water power from dams; biomass energy, from organic waste; and geothermal energy, which taps into heat from within the earth. Brief descriptions are provided for each energy source and how it can be harnessed as a renewable alternative to fossil fuels.
energy presentation KS2.pptx
Natural resources are natural substances required by humans for different needs. They include metals, minerals, water, crops, forests, and rainforests. Natural resources such as oil, gas, coal, wood, wind, sunlight and waves can be used to produce energy and are called energy resources. Non-renewable energy sources like oil, natural gas and coal cannot be easily replaced as they take millions of years to form, whereas renewable resources such as wind power, solar power, and hydropower can be replaced and will not run out.
Energy presentation ks2
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Renewable
- 1. Energy & the Environment Renewable & Non-renewable Energy Non- renewable Oil & Gas Oil and gas are fossil fuels which were formed in the Carboniferous period millions of years ago when tiny sea creatures called diatoms died and sank to the bottom of the oceans. As more and more layers of sediment covered the sea creatures, they were crushed by the massive pressures and the carbon in their bodies eventually turned to oil and gas. We burn this oil and gas in power stations today. Nuclear Nuclear fuel is made from radioac- tive Uranium Ore which occurs naturally in the ground, particularly in Australia, Canada and America. It is also known as yellowcake for its distinctive bright yellow colour. The yellow Uranium Ore is purified to provide the shiny Uranium metal used in nuclear power plants. Coal Coal is a fossil fuel which was formed in the Carboniferous period millions of years ago, (before the dinosaurs!), when the earth was covered with oceans, swamps, trees and plants! When the trees and plants died they formed a layer of peat, which over time became buried by more and more layers of clay, sand and rock. Over millions of years, the pressure of these extra layers turned the peat into the coal we put on our fires and fuel our power stations with today. Renewable Wave Waves are created by the wind blowing across the sea and by the gravitational force of the moon. Wave power uses the energy of the waves to turn turbines that make electricity. Geothermal Geothermal power uses the heat that comes from deep rocks under the surface of the Earth. The temperature of the Earth increases towards its centre. The hot water or steam that comes from deep within our planet can be used to make electricity. Hydro-electric Hydro-electricity is generated from running water. Dams are built across a lake or river in a valley to trap water. The water flows through tunnels and turns the turbines which make electricity. Solar The Sun releases an amazing amount of energy due to the nuclear fusion of hydrogen taking place within its core. Solar panels, called photovoltaic cells are used to convert the Sun‛s energy into electricity. The Sun can also be used to heat water passing through special solar collectors. Wind Wind is made when the Sun heats the Earth and the area above land gets hotter than the area above water. The hot air above land rises upwards leaving an area of low pressure. Cooler air moves into this area of low pressure making wind which we use to turn wind turbines and make electricity. Wind used to be used to turn windmills to grind wheat into flour. Biomass Biomass uses the energy from plants and waste materials to make electricity. For example, wood or animal droppings can be burnt to make steam that turns turbines to make electricity. Tidal Tidal energy comes from the movement of water in the sea by the tides. These tides happen twice a day. The flow of water that is created by the tides is used to turn generators that make electricity.