Energy facts



1)The word comes from the Greek word energeia.
2)Most types of are either a form of kinetic or potential .
3)Common examples include heat , elastic potential , chemical , sound , nuclear , geothermal  , gravitational potential and electric Potential
4) Kinetic refers to the an object has because of its movement. A Truck in motion has kinetic , as does a basketball when you pass or shoot it.
5) A person standing on a diving board above a swimming pool has gravitational potential .
6) During chemical reactions, chemical is often transformed into light or heat.

7) Stretched rubber bands and compressed springs are examples of elastic potential .
8) can be transformed from one form to another. In lightning, electric potential transforms into light, heat and sound .

9)The law of conservation of states that can only be transformed, it can’t be created or destroyed.

10) As per Albert Einstein’s famous formula E = mc² ( equals mass multiplied by the speed of light squared).
11)Food contains chemical energy which is used by living organisms such as animals to grow and reproduce. Food energy is usually measured in calories or joules.
12)Wind farms contain large numbers of wind turbines which are used to transform wind energy into a useful energy such as electricity. The use of wind power to generate electricity doubled between the years 2005 and 2008.
13) The USA’s Mojave Desert is home to the world’s largest solar power plant.

14)The Three Gorges Dam in China is the world’s largest hydroelectric power station. The controversial and enormous power plant brings power to millions of Chinese villagers and will generate more than 22,000 megawatts from six generators

15) Nuclear power produces around 13% of the world’s electricity.



16) Plants use energy from sunlight during an important process called photosynthesis.

17) Only 10% of energy in a light bulb is used to create light. Ninety percent of a light bulb’s energy creates heat. Compact fluorescent light bulbs (CFLs), on the other hand, use about 80% less electricity than conventional bulbs and last up to 12 times as long

18) According to Google, the energy it takes to conduct 100 searches on its site is equivalent to a 60-watt light bulb burning for 28 minutes. Google uses about 0.0003 kWh of energy to answer the avenge search query, which translates into about 0.2 g of carbon dioxide released.
19) According to the World Fact Book 2008, the world’s oil reserves will last until 2052 and gas reserves will last until 2065

20) There are two basic groups of energy: renewable energy (biomass, geothermal, solar, water, and wind power) and nonrenewable (fossil fuels coal, oil, natural gas, nuclear). Three quarters of the world’s energy is generated by burning fossil fuels




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