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jul 15, 478 BC - Molecular theory of matter

Description:

Matter is made up of particles that are constantly moving. All particles have energy, but the energy varies depending on the temperature the sample of matter is in. This in turn determines whether the substance exists in the solid, liquid, or gaseous state

Added to timeline:

28 Sep 2017
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Date:

jul 15, 478 BC
Now
~ 2506 years ago

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