1. Unit: Rocks & Minerals New Seating Charts Tuesday SBAC Testing
Starts April 1 and goes through the end of the year (almost)
Assignments will be handled differently
All assignments for whole week due Friday

2. Rocks & Minerals
Rock: a solid mixture of minerals and other substances
mixture: not a “pure” substance
minerals: next slide
other substances: all sorts of stuff, like organic material (ex: coal)

3. Rocks & Minerals
Mineral: a type of compound (made of one or more elements)
naturally occurring (not man-made)
inorganic (not living or once living)
solid (not liquid or gas)
crystal structure (orderly arrangement of atoms)
definite chemical composition (unique recipe)

4. Rocks & Minerals Rocks (mixtures) are made of . . .
Minerals (compounds) are made of . . .
Elements (atoms)