Energy
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There are six main forms of energy: light, heat, mechanical, electrical, chemical, and nuclear. Energy can be transformed from one form to another. Energy sources are where energy comes from, and can be renewable like sunlight, wind, and water, or non-renewable like fossil fuels which do not renew themselves. Renewable energy sources renew themselves continually unlike non-renewable sources which can be exhausted.
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Energy
Energy exists in different forms including light, heat, mechanical, electrical, chemical, and nuclear. Energy can be transformed from one form to another. There are two types of energy sources - non-renewable sources like fossil fuels and radioactive substances that are finite, and renewable sources like the sun, wind, moving water, and biomass that renew continually and cannot be exhausted.
Energy
Energy is anything that causes changes and exists in different forms like light, heat, and chemical. Energy can be transferred from one form to another. There are two types of energy sources: non-renewable sources like fossil fuels that do not renew themselves and will be exhausted, and renewable sources like sunlight, wind, and water that renew continuously and can be sustainably used. This document was a report on energy and energy sources created by 5th grade students Maria and David.
Energy
Everything in the world is made of matter which has mass and properties. Materials can be natural like gas or coal, but provide energy that may be depleted or cause pollution. Using renewable energy sources that can be recycled, like the sun, is important for sustaining life on Earth. Energy comes in different forms from various sources and must be used responsibly.
Energy
This document discusses different types of energy. It describes energy as the ability to transform one object into another. There are several forms of energy, including mechanical, chemical, electrical, thermal, light, and nuclear energy. Energy can change from one type to another, but cannot be created or destroyed. It also discusses renewable energy sources like water, solar, wind and biofuels as well as non-renewable sources like uranium, petroleum, coal and natural gas. The document concludes with tips about conserving energy by turning off devices, lights and using public transport, as well as reducing, reusing and recycling.
Enegias renovables y limpias
This document discusses various types of renewable and clean energy sources including solar, wind, hydropower, geothermal, and their advantages and disadvantages. It provides details on major countries that produce the highest amounts of renewable energy like China, the US, and Brazil. Specific renewable technologies are then explained in more depth like wind power production in Oaxaca, Mexico, how solar energy works, hydropower generation using stored water, and geothermal energy from the Earth's internal heat. The role of computing in helping develop renewable energy technologies and applications is also covered.
Basics Of Renewable Energy
Renewable energy is an energy source that is very efficient for the future development of our life. This PPT will help beginners to understand this type of energy source in detail.
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This document discusses different types of energy including kinetic, potential, chemical, electrical, thermal, light, and nuclear energy. It explains that energy can change forms through transformation but cannot be created or destroyed. It also distinguishes between non-renewable energy sources like uranium, petroleum, coal, and natural gas, which are limited, and renewable sources like hydraulic, solar, biofuels, and wind energy, which are replaced naturally.
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This document discusses different forms of energy including mechanical, light, sound, electric, thermal, chemical, and nuclear energy. It explains that electricity comes from other forms of energy in nature like kinetic energy from moving water or wind or chemical energy from coal. The most widely used sources of energy are fuels like coal, natural gas, and petroleum as well as water and wind. It also describes how hydroelectric power stations use the energy from reservoirs and how thermal power stations burn fuels to heat water and create steam to power turbines and generate electricity.
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Energy
Energy exists in different forms including light, heat, mechanical, electrical, chemical, and nuclear. Energy can be transformed from one form to another. There are two types of energy sources - non-renewable sources like fossil fuels and radioactive substances that are finite, and renewable sources like the sun, wind, moving water, and biomass that renew continually and cannot be exhausted.
Energy
Energy is anything that causes changes and exists in different forms like light, heat, and chemical. Energy can be transferred from one form to another. There are two types of energy sources: non-renewable sources like fossil fuels that do not renew themselves and will be exhausted, and renewable sources like sunlight, wind, and water that renew continuously and can be sustainably used. This document was a report on energy and energy sources created by 5th grade students Maria and David.
Energy
Everything in the world is made of matter which has mass and properties. Materials can be natural like gas or coal, but provide energy that may be depleted or cause pollution. Using renewable energy sources that can be recycled, like the sun, is important for sustaining life on Earth. Energy comes in different forms from various sources and must be used responsibly.
Energy
This document discusses different types of energy. It describes energy as the ability to transform one object into another. There are several forms of energy, including mechanical, chemical, electrical, thermal, light, and nuclear energy. Energy can change from one type to another, but cannot be created or destroyed. It also discusses renewable energy sources like water, solar, wind and biofuels as well as non-renewable sources like uranium, petroleum, coal and natural gas. The document concludes with tips about conserving energy by turning off devices, lights and using public transport, as well as reducing, reusing and recycling.
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This document discusses various types of renewable and clean energy sources including solar, wind, hydropower, geothermal, and their advantages and disadvantages. It provides details on major countries that produce the highest amounts of renewable energy like China, the US, and Brazil. Specific renewable technologies are then explained in more depth like wind power production in Oaxaca, Mexico, how solar energy works, hydropower generation using stored water, and geothermal energy from the Earth's internal heat. The role of computing in helping develop renewable energy technologies and applications is also covered.
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This document discusses different types of energy including kinetic, potential, chemical, electrical, thermal, light, and nuclear energy. It explains that energy can change forms through transformation but cannot be created or destroyed. It also distinguishes between non-renewable energy sources like uranium, petroleum, coal, and natural gas, which are limited, and renewable sources like hydraulic, solar, biofuels, and wind energy, which are replaced naturally.
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This document discusses different forms of energy including mechanical, light, sound, electric, thermal, chemical, and nuclear energy. It explains that electricity comes from other forms of energy in nature like kinetic energy from moving water or wind or chemical energy from coal. The most widely used sources of energy are fuels like coal, natural gas, and petroleum as well as water and wind. It also describes how hydroelectric power stations use the energy from reservoirs and how thermal power stations burn fuels to heat water and create steam to power turbines and generate electricity.
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The document discusses different forms of energy including kinetic energy, potential energy, chemical energy, electromagnetic energy, electrical energy, and thermal energy. Kinetic energy is the energy of moving matter, while potential energy is stored energy due to an object's position. Chemical energy is stored in the bonds between atoms. Electromagnetic energy travels as waves through space, and electrical energy is the movement of charged particles. Energy can be transformed between different forms through various processes like chemical reactions and photosynthesis.
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The Sun is our most important energy source, providing the heat and light necessary for life on Earth. There are two types of energy - potential energy, which is stored, and kinetic energy, which is energy in motion. Energy sources are either renewable, like solar and wind, which are constantly replenished, or nonrenewable, like coal and oil, which will eventually be depleted. While energy cannot be created or destroyed, it changes form as it is transferred from one system to another.
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Solar energy provides several environmental benefits:
1. It reduces air pollution by not contributing to emissions from fossil fuels.
2. It reduces water usage, since it does not require large amounts of water for power generation like dams.
3. It reduces dependence on nonrenewable energy sources that contribute to pollution and will eventually run out.
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Wind energy is an indirect form of solar energy that occurs due to temperature and pressure differences in the atmosphere caused by the sun. While wind power has been used for centuries in small, local facilities, it is only in recent decades that wind energy technology has developed to demonstrate its economic viability and environmental benefits as a future energy source, though it can negatively impact birds.
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While renewable energy sources are more environmentally friendly than fossil fuels, they are not perfect and can have negative environmental impacts. Wind turbines may kill birds and cause noise pollution. Solar power plants require large amounts of water for cooling and habitat space. Geothermal energy risks releasing harmful gases if drilling is not done properly. Tidal and wave projects can disturb marine ecosystems with noise and visual pollution. However, renewable energy is currently the best option available to fight climate change by reducing greenhouse gas emissions from fossil fuels. More development of renewable energy is needed over time to make it competitive with fossil fuels without passing an environmental point of no return.
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This resource plan discusses the importance of conserving energy and provides tips for doing so. It explains that nonrenewable resources like coal and oil are limited, while renewable resources like solar and wind can be sustained. The document recommends individual actions like using CFL bulbs and unplugging appliances when not in use. It also outlines government efforts to regulate utilities, invest in infrastructure, and fund new energy research to address growing energy demands. The plan encourages taking proactive steps to reduce waste and protect the environment for future generations.
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There are six main types of energy: kinetic, electrical, chemical, light, sound, and thermal. The document also discusses renewable and non-renewable sources of energy. Non-renewable sources like coal, petroleum, and natural gas are limited and pollute the environment when burned, while renewable sources like the sun, wind, water, and organic matter are unlimited and do not pollute.
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The document discusses fossil fuels and renewable energy sources for generating electricity. It explains that fossil fuels such as coal, oil, and natural gas were formed from the remains of ancient plants and sea creatures, but are non-renewable. It also discusses various renewable energy sources like biomass, wind, tidal, solar, and geothermal energy. Both fossil fuels and renewable energy sources are described in terms of their strengths and weaknesses for electricity production. The conclusion emphasizes the importance of developing renewable technologies while also using fossil fuels and nuclear energy until cleaner alternatives can replace them fully.
Saving Energy is One Bright Idea!
25% of home energy is used for lighting and Americans consume large amounts of oil daily, much of which is used to produce electricity. While only 5% of electricity comes from renewable sources currently, switching to LED lights and more efficient windows can help reduce energy use at home. Adopting more renewable energy resources like solar and hydro power would also help save energy.
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The document discusses various energy sources, distinguishing between conventional sources like oil, natural gas, and coal that can harm the environment versus alternative renewable sources like solar, hydroelectric, wind, geothermal, and biomass energy that do not harm the environment. It provides details on how each renewable energy source harnesses natural movements or processes to generate electricity or thermal energy. Solar energy converts the sun's rays into heat or electricity, hydroelectric power uses falling water, geothermal taps underground reservoirs of hot water or steam, biomass uses organic material, and wind turbines convert kinetic wind energy into electricity.
Why renewable energy is the future
Renewable energy is increasingly important for the future according to businessman Michael Anthony Sawyer. Sawyer notes that shifts from primary to alternative energy sources have occurred before due to depletion, such as from wood to coal to oil. Today, fears of depletion and fluctuating oil prices are increasing demand for renewable alternatives like wind and solar. While these currently provide a small portion of U.S. energy, government incentives and rising oil costs are pushing more toward renewable sources. Sawyer believes renewable energy is the future for many countries as the trend continues to rise in coming years.
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This lecture introduces renewable energy sources and their importance for Pakistan. It aims to help students understand different renewable resources like wind, solar, tidal, and geothermal energy as well as biofuels and hydro energy. The lecture distinguishes renewable sources that replenish naturally from non-renewable resources and highlights exploring renewable alternatives to conventional energy to benefit Pakistan through managing renewable sources and their applications.
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Energy comes in different forms including mechanical, chemical, electrical, thermal, light, and nuclear energy. Mechanical energy includes kinetic and potential energy. Common energy transformations include fuel being converted to kinetic and thermal energy in vehicles, and electrical energy being converted to motion and heat. Renewable energy sources include hydroelectric, wind, solar, and biofuels, while non-renewable sources are limited and include petroleum, coal, uranium, and natural gas. We can protect the planet by reducing waste, reusing containers, and recycling.
Example presentation 1 student a
This presentation compares hydropower and solar power as renewable energy sources. It discusses that hydropower harnesses energy from flowing water through dams and other structures, while solar power uses energy from the sun through passive solar techniques, photovoltaic panels, and solar water heaters. Currently hydropower generates 19% of US electricity while solar provides around 4%, but solar power production is expected to increase substantially in the future as technology improves and costs decline. Both energy sources are renewable alternatives to non-renewable resources.
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is wildlife” we need to stay away from Nature leave it alone?
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Solar energy has many benefits over fossil fuels and other energy sources. It is a renewable resource that can help address environmental challenges like pollution, habitat destruction, and climate change. Solar power generation produces no greenhouse gas emissions and helps combat global warming. The decentralized nature of solar also makes it suitable for powering individual homes and businesses as well as entire communities. Technological advancements have reduced the costs of solar energy, which is now competitive with conventional sources and can save consumers money over time. Investment in solar also creates many jobs and drives research and innovation.
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This document proposes converting Northeast Wisconsin Technical College's hot water system to a solar heated system. Rising electricity and natural gas costs are cited as the main problem. Solar energy offers many financial and environmental benefits, including reduced operating costs compared to traditional water heating methods. The proposal suggests installing a solar hot water system at the smaller Niagara campus first as a test, with the goal of expanding it to the larger Green Bay campus if successful.
Global Warming
This document discusses global warming and economics. It notes that global warming is the result of society's energy consumption habits not changing. While environmental effects are currently minimal, questions are raised as to why people have not changed how they produce and consume energy and what ways they could change consumption habits. Examples given for lack of change include alternatives being costly, fossil fuels being simpler and cheaper, and lack of profits and competition for alternative energy sources. Government support through taxes, incentives and lifestyle changes are suggested as ways to encourage changes.
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Greenhouse gas emissions from human activities are harming the environment. Switching to more efficient fluorescent light bulbs could save 28 million tons of greenhouse gases per year. Fluorescent bulbs use 75% less energy than incandescent bulbs and can save consumers $6 per year on electricity costs. Making the switch to fluorescent lighting is a simple way to reduce electricity bills and carbon footprint.
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Energy comes in different forms like light, heat, mechanical, electrical, chemical, and nuclear. There is a transformation of energy when one form changes into another. Energy sources are natural resources that provide the energy we use, and can be renewable or non-renewable. Non-renewable sources like fossil fuels and radioactive substances are exhausted because they cannot renew themselves, while renewable sources such as the sun, wind, moving water and biomass cannot be exhausted because they renew continually.
Introduction To Energy And its sources
Energy can exist in various forms including potential, kinetic, thermal, electrical, chemical, nuclear, and forms associated with transfer between bodies. Primary energy sources are obtained directly from the environment like solar, wind, geothermal, and tidal. Secondary sources are derived from transforming primary sources like petrol from crude oil or electricity from hydroelectric, thermoelectric, or nuclear plants. Renewable sources like solar, wind, hydro, and tidal are sustainable while non-renewable sources like oil, natural gas, coal, and nuclear are finite. Conventional sources that cannot be reused like coal, oil, natural gas, and nuclear make up most commercial energy production. Non-conventional sources like solar, wind, tidal, and biom
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The Sun is our most important energy source, providing the heat and light necessary for life on Earth. There are two types of energy - potential energy, which is stored, and kinetic energy, which is energy in motion. Energy sources are either renewable, like solar and wind, which are constantly replenished, or nonrenewable, like coal and oil, which will eventually be depleted. While energy cannot be created or destroyed, it changes form as it is transferred from one system to another.
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Solar energy provides several environmental benefits:
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2. It reduces water usage, since it does not require large amounts of water for power generation like dams.
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Wind energy is an indirect form of solar energy that occurs due to temperature and pressure differences in the atmosphere caused by the sun. While wind power has been used for centuries in small, local facilities, it is only in recent decades that wind energy technology has developed to demonstrate its economic viability and environmental benefits as a future energy source, though it can negatively impact birds.
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While renewable energy sources are more environmentally friendly than fossil fuels, they are not perfect and can have negative environmental impacts. Wind turbines may kill birds and cause noise pollution. Solar power plants require large amounts of water for cooling and habitat space. Geothermal energy risks releasing harmful gases if drilling is not done properly. Tidal and wave projects can disturb marine ecosystems with noise and visual pollution. However, renewable energy is currently the best option available to fight climate change by reducing greenhouse gas emissions from fossil fuels. More development of renewable energy is needed over time to make it competitive with fossil fuels without passing an environmental point of no return.
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This resource plan discusses the importance of conserving energy and provides tips for doing so. It explains that nonrenewable resources like coal and oil are limited, while renewable resources like solar and wind can be sustained. The document recommends individual actions like using CFL bulbs and unplugging appliances when not in use. It also outlines government efforts to regulate utilities, invest in infrastructure, and fund new energy research to address growing energy demands. The plan encourages taking proactive steps to reduce waste and protect the environment for future generations.
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There are six main types of energy: kinetic, electrical, chemical, light, sound, and thermal. The document also discusses renewable and non-renewable sources of energy. Non-renewable sources like coal, petroleum, and natural gas are limited and pollute the environment when burned, while renewable sources like the sun, wind, water, and organic matter are unlimited and do not pollute.
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The document discusses fossil fuels and renewable energy sources for generating electricity. It explains that fossil fuels such as coal, oil, and natural gas were formed from the remains of ancient plants and sea creatures, but are non-renewable. It also discusses various renewable energy sources like biomass, wind, tidal, solar, and geothermal energy. Both fossil fuels and renewable energy sources are described in terms of their strengths and weaknesses for electricity production. The conclusion emphasizes the importance of developing renewable technologies while also using fossil fuels and nuclear energy until cleaner alternatives can replace them fully.
Saving Energy is One Bright Idea!
25% of home energy is used for lighting and Americans consume large amounts of oil daily, much of which is used to produce electricity. While only 5% of electricity comes from renewable sources currently, switching to LED lights and more efficient windows can help reduce energy use at home. Adopting more renewable energy resources like solar and hydro power would also help save energy.
Green Sources of Energy
The document discusses various energy sources, distinguishing between conventional sources like oil, natural gas, and coal that can harm the environment versus alternative renewable sources like solar, hydroelectric, wind, geothermal, and biomass energy that do not harm the environment. It provides details on how each renewable energy source harnesses natural movements or processes to generate electricity or thermal energy. Solar energy converts the sun's rays into heat or electricity, hydroelectric power uses falling water, geothermal taps underground reservoirs of hot water or steam, biomass uses organic material, and wind turbines convert kinetic wind energy into electricity.
Why renewable energy is the future
Renewable energy is increasingly important for the future according to businessman Michael Anthony Sawyer. Sawyer notes that shifts from primary to alternative energy sources have occurred before due to depletion, such as from wood to coal to oil. Today, fears of depletion and fluctuating oil prices are increasing demand for renewable alternatives like wind and solar. While these currently provide a small portion of U.S. energy, government incentives and rising oil costs are pushing more toward renewable sources. Sawyer believes renewable energy is the future for many countries as the trend continues to rise in coming years.
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This lecture introduces renewable energy sources and their importance for Pakistan. It aims to help students understand different renewable resources like wind, solar, tidal, and geothermal energy as well as biofuels and hydro energy. The lecture distinguishes renewable sources that replenish naturally from non-renewable resources and highlights exploring renewable alternatives to conventional energy to benefit Pakistan through managing renewable sources and their applications.
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Energy comes in different forms including mechanical, chemical, electrical, thermal, light, and nuclear energy. Mechanical energy includes kinetic and potential energy. Common energy transformations include fuel being converted to kinetic and thermal energy in vehicles, and electrical energy being converted to motion and heat. Renewable energy sources include hydroelectric, wind, solar, and biofuels, while non-renewable sources are limited and include petroleum, coal, uranium, and natural gas. We can protect the planet by reducing waste, reusing containers, and recycling.
Example presentation 1 student a
This presentation compares hydropower and solar power as renewable energy sources. It discusses that hydropower harnesses energy from flowing water through dams and other structures, while solar power uses energy from the sun through passive solar techniques, photovoltaic panels, and solar water heaters. Currently hydropower generates 19% of US electricity while solar provides around 4%, but solar power production is expected to increase substantially in the future as technology improves and costs decline. Both energy sources are renewable alternatives to non-renewable resources.
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The document discusses different types of renewable energy sources including solar, geothermal, wind, hydropower, biomass, and their pros and cons. It explains that solar panels can cover heating needs, geothermal energy uses heat from the earth's core, wind turbines convert kinetic wind energy to electricity, hydropower uses water flow through turbines, and biomass burns organic materials. While each source has benefits, the best option depends on various factors as there are environmental tradeoffs to consider for each.
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Energy - availability, conservation and pollution2.pptx
Energy production systems can be categorized as either non-renewable or renewable. Non-renewable systems such as fossil fuels are widely used but have limited supplies and contribute to pollution. Renewable systems including solar, wind, hydroelectric, and geothermal provide clean energy but also have challenges like high initial costs or unreliable sources. Transitioning to greater use of renewable resources can help address issues of limited resources and environmental impacts from fossil fuels.
Work and energy phy
Work and energy are related concepts - work is the transfer of energy that causes an object to change motion. There are many forms of energy including mechanical, heat, light, chemical, sound, magnetic, electrical, and nuclear energy. Energy can be converted from one form to another but is never created or destroyed according to the law of conservation of energy. For example, the kinetic energy of moving water can be converted to electrical energy through hydroelectric dams.
ScienceShare.co.uk Shared Resource
Energy can be converted from one form to another but is never used up. There are various sources of energy that can be used to generate electricity. Fossil fuels like gas, coal, and oil as well as renewable fuels like wood are burned to create heat, which boils water into steam to turn turbines and generate electricity. Other sources of energy used for electricity include solar, wind, hydroelectric, and wave power.
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Energy - availability, conservation and pollution2.pptx
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Spain transitioned from a monarchy to a republic from 1902 to 1936. In 1923, General Primo de Rivera led a military coup and established a dictatorship, closing parliament and suspending elections. Republicans won elections in 1931 and established reforms, angering conservatives who supported a military coup in 1936 starting the civil war. General Franco ended democracy in 1936, establishing a dictatorship that lasted until 1975. After Franco died, Spain transitioned to democracy, establishing a constitution in 1978 that made Spain a parliamentary monarchy guaranteeing citizens' rights.
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Spain transitioned from monarchy to republic between 1902 and 1936. General Primo de Rivera established a dictatorship in 1923 after leading a military coup. Elections in 1931 led to a democratic republic, but conservative opposition supported a military coup led by generals Franco and Mola in 1936, beginning the Spanish Civil War. Franco ended democracy in 1939 and established a nearly 40-year dictatorship, abolishing the republican constitution and persecuting opponents. After Franco died in 1975, Spain transitioned to democracy, establishing a parliamentary monarchy and guaranteeing citizens' rights with a new constitution that held the first democratic elections in 1977.
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- 1. Energy
- 2. The Forms of EnergyEnergy is everything that produces changes in things. There are six different forms: Light Heat Mechanical Electrical Chemical Nuclear
- 3. Transformation of energy A transformation of energy is when one form of energy changes into another.
- 4. Energy Sources Energy sources are the natural resources from which we obtain the energy we use : They can be non- renewable or renewable. We exhaust non- renewable energy sources because they do not have time to renew themselves.
- 5. Renewable and Non-renewable The main ones are fossil fuels and radioactive subtances. We can exhaust renewable energy sources because they renew themselves continually. Some examples are : Sun, wind, moving water and biomass.
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