Properties of Magma.

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Presentation transcript:

Properties of Magma

Physical and Chemical Properties All substances are made up of Elements Elements substance that cannot be broken down into other substances Compounds substance made up of 2 or more elements Physical or chemical properties can be used to identify a substance or predict how it behaves

Physical Properties Characteristic of a substance that can be observed or measured without changing the composition of the substance Examples Density Hardness Melting point Boiling point Magnetic

Chemical Properties Any property that produces a change in the composition of matter Examples Combustion Formation of rust Mineral forming from magma Can tell reaction by change of color, gas produced or new solid is formed!

Viscosity Is a physical Property The resistance of a liquid to flow Greater the viscosity (friction), slower it flows Why?

Viscosity of Magma Depends upon Silica and Temperature Silica The more silica, the higher the viscosity (friction) Temperature Higher the temperature, the lower the viscosity Pahoehoe: low viscosity, fast moving Aa: High viscosity, slow moving