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Name ____________________
Rocks
Rock – one or more _____________________ put together
Three Types:
1. _________________________
2. _________________________
3. _________________________
* Igneous
 Latin for fire
 Most common of all the rocks
 _____________________ or ____________________ cools
 Color:
- _____________________
- _____________________
- _____________________
Intrusive Igneous Rock
 _____________________ cools
_____________________ the earth
 cools _____________________ (2-3o per 100 years)
 forms _____________________ crystals
 usually has _____________________ texture
Extrusive Igneous Rock
 _____________________ cools _____________________ the earth’s
surface
 cools _____________________ (hours or years)
 forms _____________________ or _____________________ crystals
 usually has _____________________ texture
- _____________________ (looks like glass)
- _____________________ (has lots of air holes)
* Metamorphic
 when an existing rock is changed by _____________________
and/or _____________________
 Texture:
- _____________________ - shows mineral bands
- _____________________ - no mineral bands
* Sedimentary
 formed from _____________________ of older rocks
o Sediments formed by _____________________
 moved by _____________________
 put together by _____________________ or
_____________________ (lithification)
 Three types:
1. _____________________
- broken fragments of other rocks
2. _____________________
- chemicals dissolve in water
- water evaporates
3. _____________________
- large amounts of once living things
(fossils)
Rock Cycle
 shows how rocks are constantly being recycled