By: MaryKate McInerney & Grace Schwabenland. Democritus 460- 370 B.C.(Greece) Known as the father of “modern science” Later discovered that eventually.

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Investigating Atoms and Atomic Theory

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Presentation transcript:

By: MaryKate McInerney & Grace Schwabenland

Democritus B.C.(Greece) Known as the father of “modern science” Later discovered that eventually the smallest piece will be obtained. One of the first to propose the existence of a particle.

Democritus (Atomic Theory) His question about the Atomic Theory- “Could matter be divided into smaller and smaller pieces forever, or was there a limit to the number of times a piece of matter could be divided? His Theory- That all atoms were small, hard particles that were made of the same material but were different shapes and sizes. Atoms were infinite number, were always moving and capable of joining together. Joined together by either hook and eyes or balls and sockets. Democritus believed there was no qualitative differences between atoms, only quantitative.

Void Hypothesis It was a response to the paradoxes- Parmenides and Zeno denied it because they said nothing cannot exist. States that “Where there seems to be nothing there is air Even when there is not matter, there is still something. Example- Light waves With that there has to be a void present. To Democritus thought the atoms were minuscule quantities of matter. Aristotle’s description about forces and motion, depended that all space be filled with matter.

Aristotle BC Atomic Theory Constant motion Sizes Shapes Theory of Matter- A substance undergoes a change- the same substance remains throughout. The product is different from the substance that went in.

Earth Elements: Air Earth Water Fire Qualities: Dry Hot Cold Moist

Recourses Aristotle tle/33177/Matter tle/33177/Matter Democritus hilosophers/democritus/ hilosophers/democritus/