Minerals and Rocks Lab Exercise

Quiz Instructions

Minerals and Rocks

       

· Minerals are naturally occurring substances formed by geological processes. They are usually solid and feature a crystal structure as well as specific physical properties and chemical composition.

· Physical properties of minerals include crystal structure, hardness (Mohs scale), lustre (how it reflects light) and color, as well as more complicated properties such as streak, fracture, cleavage and density.

· The rock cycle is a basic concept in geology that describes transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Each rock type is altered when it is forced out of its equilibrium conditions.

http://www.youtube.com/watch?v=7m8tevimgco (Links to an external site.)

https://www.youtube.com/watch?v=QPKkRRdQLFo (Links to an external site.)

https://www.youtube.com/watch?v=rQsKRWiy-uE (Links to an external site.)

http://volcano.oregonstate.edu/rock-lesson-works (Links to an external site.)

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