what goes up and down the stairs without moving?
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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?. - PowerPoint PPT PresentationTRANSCRIPT
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?
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 thesurface (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
contains Fe and Mg
contains Al
Key Identifying Features of Igneous Rocks
usually black in color
the grains have been meltedand 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