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Sedimentary Rocks
1. What happens when the earth’s surface is eroded?
_________________________________________________________
2. Sediments can harden into sedimentary rock in two ways. They are:
A. ____________________________________________________
B. ____________________________________________________
3. Fill in the blanks:
Some examples of sedimentary rocks are __________, __________,
__________, and __________. Sandstone is formed from grains of sand
pressed tightly together. Sandstones are very common rocks. They are formed
from the sand on beaches, in riverbeds, and sand
dunes. Sandstones are usually made of the
__________. Limestone is formed from tiny pieces
of shells of __________animals that have been
cemented together. Conglomerate contains sand
and rounded pebbles that have also been cemented together. Shale is formed
from __________or __________ that has been pressed together. Shale
forms in quiet waters such as swamps and bogs. Sedimentary rocks are easy to
identify because you can actually see the __________.
4. Fill in the missing pieces of information on this chart.
Some Common Sedimentary Rocks
Name
Image
Color
Composition
_______
Red or Gray
Sand grains cemented together
Limestone
White to
_______
Calcite and sometimes fossils
_______
Dark Gray
Compacted mud
Conglomerate
Different
Colors
Rounded _______ and _______
cemented together
Homework: Write a paragraph using 8 new vocabulary words from the Sedimentary
Rock lesson.
http://library.thinkquest.org/J002289/sed.html
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