Loading presentation...

Present Remotely

Send the link below via email or IM


Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.


Untitled Prezi

No description

Neha Paragi

on 6 June 2013

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of Untitled Prezi

By: Tanvi Deshmukh and Neha Paragi Solar Energy Coal Geothermal Energy Propane Petroleum Nonrenewable Hydropower Wind Energy Biomass Origin What Fuels Earth Renewable Resource What It Is Geothermal energy is created by Earth's core. The high temperatures inside Earth are being constantly produced by the slow decay of radio active particles. Extremely hot magma surrounding the solid inner core and magma present in the mantle comes to Earth's surface and erupts in volcanoes. Deep underground rocks absorb water and heat from this magma. People obtain geothermal energy by digging wells and pumping the water underground. What it is Source of this resource Pros and Cons Main Uses Percentage of energy it provides: 2.6% Type of energy source What it is Origin The core Origin Main Uses ~ Heating homes and producing electricity (Steam from the reservoir is piped to a turbine generator and it becomes the source of energy to power the turbine). Percentage of Energy:
LESS THAN 1% PROS Formed from remains of tiny sea plants and animals that died millions of years ago. ~ Does little damage to the environment
~ Geothermal plants don't have to transport fuel
~ Plants sit on top of their source
~ Plants can be built in deserts, in the middle of crops, and in mountain forests
~ No emissions produced What is it CONS ~ People may not live near an available source
~ Plants have to be built.....cost Natural Gas Nonrenewable Resource What it is Natural gas is a fossil fuel because it is formed from the remains of sea plants and animals. These remains sink to the bottom of the ocean floor and are buried under sediment and sand. With great pressure, the remains are turned into natural gas and are trapped in underground rocks in pockets. Natural gas consists of many gases, the most common one being methane. Origin The source of natural gas is the remains of sea plants and animals Main uses -Heating buildings (energy)
-Generate electricity
-Ingredient in fertilizer, glue, paint, laundry
-Ancient Greece- to fuel fires in temples
-Ancient China- evaporate water to make salt PROS >Enough natural gas to last for over 100 years
at the price and rate of consumption
>Landfill natural gas = renewable
> Cleaner burning than most fossil fuels
> Produced in many U.S. states (32)
> Can be produced offshore Percentage of energy provided Countries 2nd largest supply of
energy: 25.2% CONS >Fossil fuel- bad for the environment
>Wells are over 5,000 feet deep
>Not available everywhere
>Can be hazardous to workers in mines
>Has to be shipped Type of Energy Source Renewable resource Renewable It is replenished by snow and rainfall. Hydropower is energy that comes from the force of moving water What it is The sun radiates an enormous amount of energy every day called solar energy. This energy comes from inside the sun through the process of nuclear fusion. It takes approximately 8 minutes for solar energy to reach Earth but only a small portion of the total energy emitted reaches Earth. The energy is transferred through radiation and is collected using a device called a solar collector. Hydropower is the energy generated by the continuous movement of water between the Earth and the atmosphere. Sun draws up mositure (evaporation), and the moisture condenses into clouds (condensation). The moisture is released from clouds as precipitation and the cycle repeats itself. Water on the Earth moves from places of high ground to low ground due to force of gravity. The moving water's force can be very powerful. Hydropower dams are used to collect this type of energy. Origin THE SUN Percentage of energy provided:
0.1% Main Uses The idea of hydropower has been incorporated into daily life in ancient times. The water wheel converted the waters force into energy that was used to grind grain, drive sawmills, or pump water. It was not until recent years that hydropower was first used to generate electricity. ~Heat buildings
~Heat water
~Generate electricity PROS Pros >Using solar energy can cost less money than using a nonrenewable resource (solar panels)
>Can reduce your heating bill 50-80%
>Can be used instead of batteries (calculators)
>Does almost no damage to the environment
>Available everywhere ~Cheapest way to generate electricity because the flowing water (hydropowers fuel) is free to use
~While producing energy, hydropower dams can also control flooding, provide lakes for boating, swimming, and fishing, or irrigate farmland
~Hydropower is a clean energy source and does not produce air pollution because it does not burn fuel CONS Cons > You need the sun to power solar panels
> The sun does not deliver a lot of solar energy to just one place ~Water patterns and amount of low in rivers are altered by the dams
~To produce this type of energy, you need water (typically a river) Nuclear Energy What it is Nuclear energy is the energy in the nucleus of an atom. This energy can be released by nuclear fusion, which is when small atoms fuse together to form a larger atom. The energy can also be released by nuclear fission, where atoms split apart to form smaller atoms, releasing energy. Uranium is the most commonly used material in nuclear power plants. Origin Atoms (nucleus) Percentage of energy provided: 8.6% Main uses ~Electricity
~WW2 (Bomb) PROS ~Uranium is a common metal found in rocks all over the world
~Very little impact on the environment unless there's an accident.
~Nuclear energy is needed for the rising amount of electricity being used CONS ~Used nuclear fuel is radioactive for over 1,000 years
~Radioactive materials are hazardous to health (workers)
~Lots of water required to cool down plants
~There is no safe way to store radioactive used fuel Type of Energy Source Petroleum is a nonrenewable energy source Petroleum is often called crude oil. Petroleum is a fossil fuel Remains of tiny sea plants and animals that died millions of years ago. The remains sank to the bottom of the ocean and turned into sedimentary rock. Heat and pressure, that is generated from the increase in layers, changes the remains till petroleum is formed. Petroleum companies must drill into the ground to access the crude oil reservoirs. Main Uses Petroleum is not usually used in its pure form, instead it is used to make other products. Some of the petroleum products include
>Diesel Fuel
>Heating Oil
>Contact lenses
>Guitar Strings
> Balloons Percentage of energy it provides: 35.1% Pros Cons ~Petroleum products-gasoline, medicines, and fertilizers-have helped all over the world ~Takes a lot of money and technology to drill and find oil in the ocean
~Petroleum production, exploration, and the use of petroleum products may cause water and air pollution
~Leaking underground storage tanks can polllute groundwater and create noxious fumes Type of energy source Non-Renewable Propane is a fossil fuel Percentage of energy it provides: 1.6% What is it Origin Propane was formed millions of years ago from the remains of tiny sea animals and plants Main Uses ~To heat barns and operate farm equipment
~To make products and fuel industry
~To fuel hot air balloons
~To fuel machinery that is used indoors
~To fuel backyard grills
~To heat homes
~To fuel fleet vehicles
~To fuel appliances Propane was formed millions of years ago form the remains of tiny sea animals and plants. When the organisms died, they sank to the bottom the ocean where they get buried in sediment and sand, forming sedimentary rock. The layers are morphed by heat and pressure, changing the remains into petroleum and natural gas deposits. Pockets of fossil fuels get trapped in rocks. Propane comes from natural gas and petroleum wells. The wells extract raw natural gas; 90% of it is methane while 5% is propane and 5% is other gas. Under normal conditions, propane is gas. But when pressure builds it becomes liquid, the form in which it is typically stored. Pros Burns cleanly, so propane can operate safely inside factories and warehouses Taxicab agencies, government agencies, and school districts use propane instead of gasoline to fuel vehicles becaause it is clean-burning and leaves engines free of deposits. It also emits fewere pollutants into the air than engines that use gasoline Cons Propane is not as easy to find as gasoline If propane is used to fuel vehicles, there is a slight drop in miles per gallon Type of Energy Source Nonrenewable Source of the resource Formed from the remains of plants that lived and died millions of years ago-time when Earth was partly covered by huge swampy forests What it is Percentage of energy it provides: 21.3% Pros and Cons Main Uses Percentage of energy it provides: 4.4% Renewable Resource Hydrogen Origin What it is Main Uses Percentage of energy it provides: Hydrogen is not currently used for energy on a wide scale. Less than 1% of energy comes from hydrogen. ~Burning coal produces emissions that pollute the air. Carbon dioxide and sulfur are two of the emissions. Sulfur mixes with oxygen to create sulfur dixoxide that can combine with water to form acid rain
~Air pollution from the burning of coal can cause health concerns in the respiratory system when humans breath in the air.
~Coal mining can damage the surrounding natural habitats ~Inexpensive
~Safe and easy to store Coal is a fossil fuel. Energy that we get from coal comes from the energy that plans absorbed form the sun millions of years ago. Living plants store energy, when they die the energy is released in the decay process. In various exceptions, the decay is obstructed, preventing the release of the stored solar energy. Plants that fell to the bottom of the swamp began to decay. Layers of dirt and water piled upon the decaying material. Eventually heat and pressure from these growing layers caused a chemical change that resulted in the formation of coal. Coal companies use surface mining and underground mining to excavate the coal. Growing plants for biomass fuel may reduce green house gases
Widely available
Naturally distributed
Generally low cost
Low carbon
Can convert waste into energy Energy intensive to produce-in some cases little or no gain
Land utilization can be considerable=>can led to deforestation
Requires water to grow
Some fuels are seasonal Renewable Biomass comes from any organic matter
Examples: wood, crops, and animal waste Biomass is used in the following industries Biomass is any organic matter that can be used as an energy source. Biomass gets its energy from the sun through the process of photosynthesis. Ways to use biomass include burning, bacterial decay, fermentation, and conversion Type of Energy Source Renewable What It Is Uneven heating of Earth's surface causes the amount of sunlight to be absorbed at different rates. A good place for wind to form is where land and water meet and warm air rises above land. Cool air from the ocean soon takes its place and it creates wind. To turn the wind into energy, wind turbines are used to capture the wind's kinetic energy. When wind blows, it makes the blades in the turbine spin and the spinning powers a generator to produce electricity. >Nasa and the space program are the primary users of the hydrogen fuel cells and hydrogen as energy fuel.
>Small fuell cells can power an electric car, large ones can provide elctricity in an remote area
>Added to gasoline to reduce nitrogen oxide emission Pros Cons ~Hydrogen fuel cells are very efficent
~Every part of the world has some reasource that cn be used to make hydrogen Origin ~Hydrogen fuel cells and power plants are very expensive
~This type of energy reasource has not been thoroughly developed yet to a point where it can be used by the majority of the population Uneven heating of Earth's surface because of sunlight Main Uses -Electricity!!!!!!!!! Hydrogen is the simplest element, containing one proton and one electron. Hydrogen as a gas does not exist on Earth, instead it is found mied with other elements. Percentage of energy provided: Hydrogen is the simplest element curently known. It is also the most abundant. Hydrogen fuels the sun. Hydrogen atoms combine and form helium atoms in a process called fusion that gives off radiant energy. Radiant energy sustains life on Earth. Hydrogen can store energy until its needed. Hydrogen is made from separating it from domestic resources such as water, biomass, or natural gas. 0.9% PROS -No air pollution at all
-Wind is free
-The process for converting wind to energy is simple CONS -Wind must be blowing and be blowing at a certain speed
-Birds and bats may be injured
-Wind farms effect the view of the landscape
Full transcript