Nuclear fission – Physics
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 [...]
17
08, 2017
17
08, 2017
Nuclear fission project – Physics
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 [...]
2
06, 2017
What is metal? Chemistry
Copper ore in Iran What is metal? Metals are atoms that attach themselves to other atoms in a particular way. Metal atoms, because of how their electrons are arranged, lose [...]
2
06, 2017
What is uranium? Atoms, elements, chemistry
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 [...]
2
06, 2017
What is a proton? Atoms and Chemistry
Autzen Stadium, in Eugene Oregon, seats 54,000 people A proton is a tiny particle, smaller than an atom. Protons are too small to see, even with an electron microscope, but [...]
2
06, 2017
What is helium? Atoms, elements, and chemistry
Diagram of a helium atom Helium is a very simple atom. Helium is a simple atom. The nucleus of a helium atom has two protons and two neutrons. Around the nucleus, [...]
1
06, 2017
Dominoes – Uranium chain reaction – Chemisty
You can't really do an experiment using uranium, because it is radioactive and if you experimented with uranium it would make you sick or kill you. So to see how a chain [...]
