Nuclear Energy: History, Technology, and Pros & Cons
Explore the world of nuclear energy from its historical beginnings to its modern applications in electricity generation and medicine. Learn how nuclear fission and fusion work, their advantages and disadvantages, and the crucial role they play in our energy landscape.
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Presentation Transcript
Nuclear Energy By: Ethan Kroll Period 3
Introduction and history There are 61 Nuclear reactors in the USA. Last year generated 20% of nations Power. Radioactivity was discovered in 1896 but in 1934 we achieved Nuclear fission. Nuclear fission and fusion is how we make nuclear energy. (will be explained) It is the Third biggest supplier of electricity in the USA. (Behind NG and coal) Maryland uses 40% nuclear energy.
How it works? Nuclear fission. Two ways to get energy. Nuclear fission and Nuclear fusion. Fission uses uranium atom called U-235. U-235 is an isotope of uranium with 92 protons and 146 neutrons. They hit the nucleus of the U-235 with a neutron and causes a chain reaction. Heat energy is released. Heats water to steam, turns turbine.
How it works 2? Nuclear fusion Nuclear fusion is basically putting together Atoms that have different protons and Neutrons. There are many different types of fusion. Ex. Tritium-Deuterium, tritium-tritium Extra neutrons and protons counting process Makes electricity for the same way as fission.
Best Uses Nuclear energy is mostly used electricity. Gamma rays which are produced are used in medicine. (more on next slide)
Pros Generates 19%-22% of our national electricity. Used to treat internal oranges. Kills cancer cell (radiotherapy) Fusion is cheaper and almost endless supplied of atoms needed.
Cons Uses in weapons such as bombs. Nuclear/Chemical waste. Gamma rays can change cells. Fission is expensive. Fission require immense amount of heat.
End End Thank you Thank you
