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Morrison
homework
| Question | Answer |
|---|---|
| what has the most penetrating power | gamma rays |
| what has the least penetrating power | alpha particles |
| what is a half life | the amount of time it takes for half of a radioactive substance to decay |
| what hapens in beta decay | neutrons breakdown into positrons and elctrons |
| name one use of nuclear engery. | nuclear medcine to treat cancer |
| what are one of the dangers of nuclear energy | radiation sickess |
| who discovered nuclear energy | henri Becquerel |
| what is nuclear fission | process in which a large nucleus splits into two smaller nuclei and releases neutrons |
| example of a controlled nuclear chain reaction | nuclear reactor |
| example of an uncontrolled nuclear chain reaction | nuclear bomb |
| what are some advantages of nuclear fission | less polution and enegery production money is less |
| what are sone disadvantages of nuclear fission | accidents,nuclear waste and $$$ |
| when is nuclear fussion possible | high temperatures and high pressure |
| what notable thing is powered by nuclear fussion | the sun |
| what is nuclear fusion | when 2 small nuclei combine to form 1 big nucleus |
| what some advantages of nuclear fusion | Produces less waste, less accident prone, plenty of material for fusion |
| what are some disadvantages of nuclear fusion | Requires high temperatures and pressure Uses more energy than it produces |
| What is plasma | State of matter in which electrons are removed from atoms |
Created by:
td4ever1
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