democritus by Emmie Meyer https://padlet.com/meyeremm000/2q9iv0jdx8lc en-us 2018-11-05 15:47:42 UTC 2024-05-22 21:26:20 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Rocket.png Democritus meyeremm000 https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/300539615 year of discovery- (c.460- c.370 bc)
discovery- His discovery was of the atom
Experiment- He cut on object in half until he couldn't anymore and showed matter cant be broken down any farther.



]]> 2018-11-05 15:54:51 UTC https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/300539615 john Dalton meyeremm000 https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/301581630 Year of discovery- 1803 
discovery- All matter is made up of atoms. Atoms are invisible and indestructible.
experiment- Dalton wondered how air and water can exist in the same place at the same time.

]]> 2018-11-07 15:52:01 UTC https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/301581630 meyeremm000 https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303062084 2018-11-11 23:13:50 UTC https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303062084 Thompson meyeremm000 https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303076437 year of discovery- 1897
discovery- the electron
experiment- used a Cathode Ray tube to demonstrate that cathode rays were negatively charged.
 ]]> 2018-11-12 01:08:02 UTC https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303076437 meyeremm000 https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303076823 2018-11-12 01:11:02 UTC https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303076823 Ernest Rutherford meyeremm000 https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303331417 year of discovery-1899
discovery- uranium emits fast moving particles that have a positive charge.
experiment- found out what happened when alpha particles passed through a thin sheet of gold.

]]> 2018-11-12 16:07:39 UTC https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303331417 meyeremm000 https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303334026 2018-11-12 16:12:26 UTC https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303334026 Niels Bohr meyeremm000 https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303334182 year of discovery- 1913
discovery- radiation is released when an electron moves from one orbit to another.
experiment- he created an atomic model showing the different orbits of the electrons

]]> 2018-11-12 16:12:40 UTC https://padlet.com/meyeremm000/2q9iv0jdx8lc/wish/303334182