Download Ch. 3: Rocks ~Rocks change into other rocks over time~

3.1
THE ROCK CYCLE SHOWS HOW ROCKS CHANGE
Vocabulary
 ROCK
 A naturally formed
solid that is
usually made up
of one or more
types of minerals
 ROCK
CYCLE
 The set of natural
processes that
form, change,
break down and reform rocks
Most Rocks are made of Minerals
=
=
Crystal structure
Most Rocks are made of Minerals

Rocks are made of different amounts of
minerals
calcite
OBSIDIAN
COAL
LIMESTONE
No
Minerals
No
Minerals
Our World is Built of Rocks
Earth is built almost
entirely of rocks
 What do you see when
you look at the Earth’s
surface?
 Solid and Molten Rock
(between crust and
metallic core)

Rocks are used for: Buildings
(houses & skyscrapers)
Rocks are used for: Sources of Metal
(Fe, Al, Cu)
Rocks are used for: Statues and
Other Art
Rocks are used for: Base for Pavement
(Roads and Highways)
Granite
Granite
Limestone
Rocks in the World Around Us
Rocks Change as they Move
Through the Rock Cycle
http://www.neok12.com/php/watch.php?v=zX616a577c597f7c784c720a&t=Types-of-Rocks
http://www.bbc.co.uk/schools/ks3bitesize/science/environment_earth_universe/rock_cycle/activity.shtml

Rock Cycle=no beginning or end (continuous)
Rock Types: Igneous Rock
Forms when molten rock cools to a solid
 On Earth’s surface or within

Rock Types: Sedimentary Rocks

Forms when pieces of rock, plants, or other
loose materials get
together

Carried by
or
Rock Types: Metamorphic Rocks

Forms from
or pressure

Eventually raised to the surface
Rocks in the Crust

95%
 metamorphic and igneous

5%
 sedimentary
More on the Rock Cycle
 ROCK
CYCLE TEST
 http://www.neok12.com/diagram/Types-of-Rocks-01.htm
 Rock
Cycle
 http://www.classzone.com/books/earth_science/terc
/content/investigations/es0602/es0602page02.cfm