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Period: 2016 BCE to 2016 BCE
Development of the Particle Model of Matter
Development of the Particle Model of Matter -
Period: to
Development of the Particle Model of Matter
Development of the Particle Model of Matter -
Period: to
Development of the Particle Model of Matter
Development of the Particle Model of Matter -
Period: to
Development of the Particle Model of Matter
Robert Brown
(1773-1858)
Scottish scientist
Observed with a microscope that some dead pollen grains suspended in water were constantly moving about randomly in all directions.this is known as Brownian motion.
Albert Einstein
(1879-1955)
German-born American physicist
Explained that the dead pollen grains were moving because they were being bombarded by the moving water particles.