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Chapter 2- Rock: Mineral Mixtures
Igneous Rock Use pages 36-39 from the book to complete the following ideas.
The word igneous comes from the Latin word meaning “_______________”.
Composition and Texture
Fast-cooling lava makes __________________-grained rock because there is __________________ time
for mineral crystals to combine together.
Rock examples: _________________________, _____________________________
Slow-cooling lava makes __________________-grained rock because there is __________________ time
for mineral crystals to combine together.
Rock examples: _________________________, _____________________________
Igneous Rock Formations
1. Define intrusive igneous rock: __________________________________________________________
_____________________________________________________________________________________
Intrusive rock formations have a _______________________-grained texture.
2. Define extrusive igneous rock: __________________________________________________________
_____________________________________________________________________________________
Extrusive rock formations have a _______________________-grained texture.
Sedimentary Rock Use pages 40-43 from the book to complete the following ideas.
Wind, water, ice, sunlight, and gravity cause rocks to break into fragments (pieces) called
________________________, which are moved from one place to another.
Sediments are deposited into layers called ________________________.
Composition of Sedimentary Rock
1. Define clastic sedimentary rock: ________________________________________________________
____________________________________________________________________________________
Examples of clastic sedimentary rock:
____________________ ____________________ ______________________ ___________________
   coarse-grained --------------------------------------------------------------------- fine-grained   
2. Define chemical sedimentary rock: ______________________________________________________
____________________________________________________________________________________
Example: ____________, which is made of sodium chloride (NaCl), also known as ________ ________
3. Define organic sedimentary rock: _______________________________________________________
_____________________________________________________________________________________
Examples:
The rock called _________________________ is made of fossils left behind by ___________________.
The calcium carbonate skeletons become cemented together to form this rock.
________________ forms underground when partially decomposed _______________ material is buried
beneath sediment and is changed into ____________ by increasing ___________ and _______________.
Metamorphic Rock Use pages 44-49 from the book to complete the following ideas.
Metamorphism comes from the words meta which means “______________________________” and
morphos which means “___________________________”.
Metamorphic rocks are rocks in which the ________________________, ________________________,
or _________________________ of the rock have changed.
All three types of rocks (igneous, sedimentary, and metamorphic) can be changed by ______________,
________________________, or a combination of both.
Think about it! Compare what you have learned to ideas you already know.
1. Igneous rocks form in a way that is similar to making:
a. Rice Krispy bars
b. chocolate candy bars
c. tortillas
2. Sedimentary rocks form in a way that is similar to making:
a. Rice Krispy bars
b. chocolate candy bars
c. tortillas
3. Metamorphic rocks form in a way that is similar to making:
a. Rice Krispy bars
b. chocolate candy bars
c. tortillas