THE ATOM

THE ATOMIC BOMB Atomic Fission or Atomic Fusion

ATOMIC POWER

ATOMIC MEDICINE

Atomic Clock

EARTH AIR FIREWATER MOIST HOT COLD DRY EARLY GREEK IDEA OF MATTER Believed in endless divisablity

Democritus: a Greek Philosopher “Happiness resides not in possessions and not in gold; the feeling of happiness dwells in the soul.”

Democritus: A Greek Philosopher who first had the idea that all matter was made up of small parts that could not be subdivided. Atoms: A Greek Idea

“Atomos”- Greek meaning Indivisable Atoms: A Greek Idea Democritus called these tiny parts

MATTER: any substance that has mass and takes up space.

ATOMS: The smallest part of matter. Atoms are the building blocks of matter. If an atom were the size of a baseball the size of an actual baseball would be 3044 miles high!!

Atom Facts 1. # of Electrons = #of Protons 2. # of Negative Charges = # of Positive Charges 3. # of Protons + # of Neutrons = Weight of Atom