Download Rock Powerpoint

You throw away the outside and cook the inside. Then
you eat the outside and throw away the inside. What
did you eat?
What goes up and down the stairs without
moving?
I run over fields and woods all day. Under the bed at night I sit not
alone. My tongue hangs out, up and to the rear, awaiting to be filled
in the morning. What am I?
Miracle
Lets review minerals
1.
What are the 5 things a mineral has to be?
2.
Which of these gives the minerals their physical properties
3.
What are 6 identifying features of a mineral
4.
Most rocks are made up of ___________ or more minerals
5.
Name Three classes of minerals?
1.
2.
3.
What physical property am I looking at?
Rocks & Minerals
Sedimentary
Igneous
Metamorphic
Most sedimentary rocks are made of pieces (sediments)
of other rocks.
Name two processes that
form sedimentary rocks
In what type of environment are most
sedimentary rocks formed?
Key Identifying Features of
Sedimentary Rocks
Clear Layering of Sediments
Key Identifying Features of
Sedimentary Rocks
pieces of other rocks
Key Identifying Features of
Sedimentary Rocks
the remains of once-living organisms
A to Z contest
Igneous Rocks
How are igneous rocks formed?
Name two places where igneous rocks form
What determines crystal size?
What’s the difference between
extrusive and intrusive igneous rocks?
form on or near the
surface
(small crystals)
form below the
surface
(large crystals)
Characteristics used to classify igneous rocks
Characteristics used to classify igneous rocks
Characteristics used to classify igneous rocks
Characteristics used to classify igneous rocks
Characteristics used to classify igneous rocks
Characteristics used to classify igneous rocks
contains Fe and Mg
contains Al
Key Identifying Features of Igneous Rocks
usually black in color
the grains have been melted
and are now physically connected
Metamorphic Rocks
How are metamorphic
rocks formed?
MELTING DOES NOT OCCUR!
What is the difference between
Regional and Contact Metamorphism?
Large geographic area
Example:
where mountains form
small geographic area
Example:
when rocks come in
contact with magma
Key Identifying Features of Metamorphic Rocks
Dark
Red
Color
Shiny,
flaky