fission

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17 08, 2017

Nuclear physics – fission and fusion

By |2018-04-24T11:58:42-07:00August 17th, 2017|Physics|0 Comments

Atomic bomb explosions make a "mushroom cloud" - this is a fission reaction Nuclear physics is the process of getting energy from the nucleus of an atom. There are two ways to release energy from atoms: fission and fusion. Fusion happens all the time in nature, mostly inside stars because fusion needs lots of heat or gravity to get it going. Fusion works with the [...]

17 08, 2017

Nuclear fission – Physics

By |2018-05-31T11:49:26-07:00August 17th, 2017|Physics|2 Comments

Nuclear fission: Atomic bomb explosions make a "mushroom cloud" Fission reactions are the kind of nuclear reaction we use for nuclear power plants and nuclear submarines, and also to set off a nuclear bomb. With fission reactions, you take very large atoms like uranium and plutonium and smash them apart into smaller atoms. Because it takes a [...]

17 08, 2017

Nuclear fission project – Physics

By |2018-05-31T11:49:25-07:00August 17th, 2017|Physics|0 Comments

Make a bunch of paper balls One atom of uranium has 92 protons and about 145 neutrons in its nucleus. So make 92 small balls of paper... no, that would be too hard. Make a bunch of small balls, the size of the tip of your finger, by crumpling up scraps of paper. You should [...]

2 06, 2017

What is uranium? Atoms, elements, chemistry

By |2018-04-16T23:49:23-07:00June 2nd, 2017|Chemistry, Physics|0 Comments

Diagram of a uranium atom Uranium is a rare atom, not just on Earth but also in space and on other planets. There is not very much uranium anywhere. That's because, like lead or gold, uranium only forms inside exploding supernovas. Because uranium atoms have so many protons and neutrons in them, they don't [...]