WorksheetsSedimentary Rock Classification
Total questions: 15
Worksheet time: 20mins
Name
Class
Date
1.
Sedimentary rocks are formed by
a)
Cooling of lava or magma
b)
Heat and pressure
c)
Compacting and cementing
2.
What is the breaking down of rocks?
a)
Weathering
b)
Clastic
c)
Vesicular
3.
What is deposition?
a)
Pieces of sediment come to rest on a surface
b)
Movement of sediment
c)
Breaking down of sediment
4.
Small pieces of rock are also called
a)
sediment
b)
coal
c)
organic matter
d)
erosion
5.
Wind, water, ice and gravity carry sediments away
a)
weathering*
b)
deposition
c)
erosion
d)
cementation
6.
When the weight of new sediment layers is deposited on top of older layers
a)
erosion
b)
compaction
c)
pressure
d)
weathering
7.
The process of layers become stuck together forming sedimentary rocks
a)
sticking
b)
pressuring
c)
cementation
d)
deposition
8.
Classify each sedimentary rock as either Clastic, Organic, or Chemical.
Sandstone
Sandstone
a)
Clastic
b)
Organic
c)
Chemical
9.
Classify each sedimentary rock as either Clastic, Organic, or Chemical.
Limestone made from shells
Limestone made from shells
a)
Clastic
b)
Organic
c)
Chemical
10.
Classify each sedimentary rock as either Clastic, Organic, or Chemical.
Conglomerate
Conglomerate
a)
Clastic
b)
Organic
c)
Chemical
11.
Classify each sedimentary rock as either Clastic, Organic, or Chemical.
Coal
Coal
a)
Clastic
b)
Organic
c)
Chemical
12.
Classify each sedimentary rock as either Clastic, Organic, or Chemical.
Breccia
Breccia
a)
Clastic
b)
Organic
c)
Chemical
13.
Classify each sedimentary rock as either Clastic, Organic, or Chemical.
Shale
Shale
a)
Clastic
b)
Organic
c)
Chemical
14.
Which of the following clastic sedimentary rocks has the largest sediment grains.
a)
Conglomerate
b)
Breccia
c)
Siltstone
d)
Shale
15.
Which of the following clastic sedimentary rocks has the smallest sediment grains.
a)
Conglomerate
b)
Breccia
c)
Siltstone
d)
Shale
100 %
