Alchmey 101

difine

Alchemy 101 Define

Reversible change

Like melting and dissolving, can be changed back again. Mixtures can be separated out by methods like filtering and evaporating.


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Irreversible change

A change is called irreversible if it cannot be changed back again. For example you cannot change a cake back into its ingredients again.

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Variables

An element, feature, or factor that is liable to vary or change. "There are too many variables involved to make any meaningful predictions"


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hipothisies

A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.


Structure of a science investigation

· Title



· Abstract



· Introduction



· Method



· Results



· Discussion



· Reference List



· Appendices

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Alchemy

The medieval forerunner of chemistry, concerned with the transmutation of matter, in particular with attempts to convert base metals into gold or find a universal elixir


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hipothisies