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WorksheetsSedimentary Rocks
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
Sedimentary Rocks are often made up of other rocks and minerals.
a)
True
b)
False
2.
Small pieces of rock, sand, silt is called?
a)
weathering
b)
sediment
3.
The natural "cement" that hold sediments together to form sedimentary rock is made up of?
a)
glue
b)
minerals
c)
marshmallows
4.
Coal is formed from dead plants and other organisms?
a)
True
b)
False
5.
Sedimentary rocks are often formed in layers.
a)
True
b)
False
6.
The process when rocks break into smaller pieces due to exposure to natural elements is called
a)
erosion
b)
weathering
c)
sediments
7.
Fossils are only found in sedimentary rocks.
a)
True
b)
False
8.
When sediments are pressed together tightly, this is called ____________.
a)
Compaction
b)
Cementation
c)
Weathering
d)
Erosion
9.
Sedimentary rock that is made of fragments of rocks cemented together by a mineral are called...
a)
chemical
b)
organic
c)
clastic
10.
Sedimentary rock made from fossils are called...
a)
organic
b)
chemical
c)
stratified
11.
a)
Lithographic Limestone
b)
Breccia
c)
Coal
d)
Conglomerate
12.
This rock is made from tiny pieces of other rocks that settled to the bottom of a valley millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
13.
Name this rock.
a)
marble
b)
organic limestone
c)
sandstone
d)
granite
14.
The process in which dissolved minerals crystallize and glue sediment together.
a)
compaction
b)
deposition
c)
organic rock
d)
cementation
15.
a)
Dolomite
b)
Sandstone
c)
Shale
d)
Coquina
16.
Which causes rocks to physically weather in to sediments?
a)
Water
b)
Ice
c)
Wind
d)
All of the above
17.
What is mechanical weathering?
a)
Process through which rocks are physically broken into smaller pieces.
b)
Rocks are broken down through chemical changes.
c)
Rocks are worn away from acid in plant roots.
d)
Rocks broken down by machinery.
18.
This rock is made of salts left behind when a shallow sea evaporated. What type of sedimentary rock is it?
a)
Clastic
b)
Chemical
c)
Organic
19.
What characteristic to sedimentary rocks often have?
a)
weather patterns
b)
tiny crystals
c)
striped layers
d)
glassy surfaces
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