JJ Thomson: The Plum Pudding Model

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Information about JJ Thomson: The Plum Pudding Model
Education

Published on November 25, 2008

Author: yoruneko

Source: slideshare.net

Description

For a Science Project

JJ Thomson: the PLUM PUDDING MODEL!!! Michelle Kao Elysia Hung

Plum pudding is not too bad to eat JJ Thomson’s Plum Pudding Model is not too bad to see

Index!! =D J.J. Thomson Cathode Ray Tube (CRT) Cathode Rays!! And the….amazing… Plum Pudding Model!! @/ And…the… Dalton’s Model… 

J.J. Thomson

Cathode Ray Tube (CRT)

Cathode Rays!!

And the….amazing…

Plum Pudding Model!! @/

And…the…

Dalton’s Model… 

J.J. Thomson is a British Physicist and a Nobel Prize Winner who discovered electrons and isotopes in 1897. And Died in 1940.  Background Information

J.J. Thomson is a British Physicist and a Nobel Prize Winner who discovered electrons and isotopes in 1897.

<-- J.J. Thomson’s true form… just kidding~

He used a Cathode Ray Tube (CRT)

Vacuum Tube Cathode Anode

Pretty~ CATHODE RAY~~

Then, what is a cathode ray?? The glow is actually many many many many many many many many many many many many many many many many many many many many many many many many many many many many many many ELECTRONS!

The glow is actually many many many many many many many many many many many many many many many many many many many many many many many many many many many many many many

ELECTRONS!

Electrons can pass through the CRT because there is no air in the vacuum to stop the electrons. So that the electrons won’t bump into things.

Electrons can pass through the CRT because there is no air in the vacuum to stop the electrons.

SO BEAUTIFUL~

This is one pudding’s sad, short story… Intermission~ A story about a freedom longed for, but never attained…

 

A TV or a computer screen has many cathode ray tubes to make the different colors that appear on the screen. WOOHOO!! FIGHT!!! DIE!!! DIE!!!

Same charges repel, and opposite charges attract.

Same charges repel, and opposite charges attract.

Magnet The ray arcs away from the magnet

A ball of positive with little balls of negatively charged particles inside~~ The Plum Pudding Model

 

 

Dalton’s Model Dalton believes that an atom is a solid ball. Each elements are different shaped balls since each atom has a different property.

Dalton believes that an atom is a solid ball. Each elements are different shaped balls since each atom has a different property.

Thomson switch the cathode and anode with different metals and found out that they all create a cathode ray. He concluded that whatever is present in an atom is also in all the other atoms. (electrons~)

SUMMARY TIME!! YAHOO! J.J. Thomson discovered electrons in 1897. Cathode Ray Tubes are vacuums with cathode and anode. The ray arcs away when a – magnet is close by. Plum pudding model is a ball with electrons stuck in it. He disproved Dalton’s Model.

J.J. Thomson discovered electrons in 1897.

Cathode Ray Tubes are vacuums with cathode and anode.

The ray arcs away when a – magnet is close by.

Plum pudding model is a ball with electrons stuck in it.

He disproved Dalton’s Model.

Farewell! Thanks for watching! Bye bye!

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