-
Slide in PowerPointDemoctritus pounds up some stuff in his pestle and mortar until the stuff was reduced into smaller and smaller particles which he called atoma--The Greek word for indivisible.
-
Slide in PowerPointHe said that everything is made up of smaller spheres that keep bouncing around. He called them atoms.
-
Slide in PowerPointHe discovered that atoms sometimes have smaller negatve particles called electrons.
-
Slide in PowerPointHe discovers that atoms are surrounded by an elastic sphere with electron scattered in it and had a "soup" of positive charge around it,
-
Slide in PowerpointHe did an experiment in which he shot Helium nuclei at a piece of gold foil. Most of them went rght through but some of them bounced off in different directions.
-
Slide in PowerPointHe added on to Rutherford's experiment and said that the electrion were in orbits.
