3
Rocks
3.3 Notes
Formation of Sedimentary Rocks Dynamic Earth p 176-177
1.
.
The process that ___________ down rocks at
Earth’s surface into ____________________.
The process by which ________________,
_________, ____________ or ________________
move fragments of rock or soil.
MECHANICAL
* freezing and ________
* growth of __________
* grinding away rock by
particles of rock is called
___________________
CHEMICAL
What causes
chemical changes?
1.
2.
3.
4.
5.
3.
The process by which _______________
(sediments) settle out of _______________ or
the ______________ carrying it.
* ______________ water
* _______________ loosen and carry away
rock fragments
* _______________ pulls rock or soil
fragments down off hills or mountains.
5.
The process in which _______________
______________ crystallize and glue particles
together..
* Sediments- _________________ and
_____________________ of rocks and pieces
of __________________ ________________
such as shells, bones, leaves and stems.
* The pieces of living things form
________________.
4.
The process that ______________ rocks
together due to ________________ and
the_____________ of overlying layers.
How compaction takes place.
* Occurs during _______________________.
* Dissolved ____________________ fill in the
spaces between sediments.
* Loose _____________
* Layers build and become _____________
pressing down
* More _______________ form and add
_______________, which presses down and
________________ the rock.
* Creates _________________layers.
Rocks
3
3.3 Notes
Classification of Sedimentary Rocks Dynamic Earth p 176-177
3.
Rock _____________________ are
__________________ together.
Grouped by _________________.
Forms where the remains of __________ and
______________ are deposited in thick
layers.
Forms when ________________ that are
dissolved in solution
_________________________.
Shale forms from tiny particles of
_____________.
Very _______________ layers
Coal forms from the _______________ of
swamp _________________ buried in
_________________.
Rock salt made of __________________ and
forms from ___________________________.
No ________________ is needed.
Shale is ____________________ and
______________splits easily into pieces.
The ___________________ of each layer
squeezes the _________________ growth.
_______________ comes out of
Sandstone forms from ____________ on
beaches, ocean floor, in river beds and
______________ dunes.
_________________ of years later
_______________________ if formed.
Need ____________________ and cementation of
_____________.
Limestone forms from the ____________
______________ of living things. (calcite)
Sandstone is mostly made of _____________ and
it absorbs ______________ easily.
Layers of ________________ build up.
Conglomerate forms from a mixture of
______________ ______________________
of different sizes.
Pressure __________________ the shells
together.
Conglomerate has _________________ edges.
Breccia forms like conglomerate but has
________________ edges.
Limestone can form when dissolved
Dissolved calcite _________________ the
________________ together.
Can form the rock ______________.
_____________________.
Sandstone and limestone have been used for
_______________ _____________________ for
thousands of years.
Sedimentary rocks can be easily cut into
_______________.
___________________ is used in cement.
The White House is made of _______________.