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LT 3.3 - Sedimentary Rocks

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.
The process by which running water, wind, or ice carry away bits of broken-up rock
a)
weathering
b)
sediment
c)
erosion
d)
cememtation
2.

Fossils are typically only found in sedimentary rocks.

a)

True

b)

False

3.
Name this rock.
a)
sandstone
b)
coal
c)
shale
d)
flint
4.
Name this rock.
a)
lithographic limestone
b)
breccia
c)
coal
d)
conglomerate
5.
Small pebbles, pieces of other rock, and sand are called?
a)
weathering
b)
sediment
6.

What characteristic to sedimentary rocks often have?

a)

weather patterns

b)

tiny crystals

c)

bedding (layers)

d)

glassy surfaces

7.
The process in which dissolved minerals crystallize and glue sediment together.
a)
cementation
b)
deposition
c)
organic rock
8.
What sized sediment makes shale?
a)
Sand
b)
Clay
c)
Cobble
9.
Which is smaller?
Clay or Silt
a)
Clay
b)
Silt
10.
What size sediment makes sandstone?
a)
Pebble
b)
Silt
c)
Sand
11.
Name one size of sediment that can make breccia or conglomerate.
a)
Clay
b)
Pebble
c)
Sand
12.
How is sediment classified/grouped?
a)
By color
b)
By hardness
c)
By size
13.
What does clastic mean?
a)
Compacted sediment
b)
Magma made the rock
c)
The rock has crystals 
14.
Sedimentary rocks are formed by
a)
Cooling of lava or magma
b)
Heat and pressure
c)
Compacting and cementing
15.
How is sediment formed?
a)
Weathering and Erosion
b)
Melting
c)
Pressure
16.
What is deposition?
a)
Pieces of sediment come to rest on a surface
b)
Movement of sediment
c)
Breaking down of sediment 
17.

Sedimentary rock formed from remains of plants and animals is called -

a)

chemical sedimentary rock

b)

organic sedimentary rock

c)

clastic sedimentary rock

d)

erosion

18.

What is an example of an organic sedimentary rock?

a)

coquina

b)

breccia

c)

rock salt

d)

shale

19.
This rock is made of salts left behind when a shallow sea evaporated. What type of sedimentary rock is it?
a)
clastic sedimentary rock
b)
chemical sedimentary rock
c)
organic sedimentary rock
20.

What causes the pressure necessary to form sedimentary rocks?

a)

chemicals in the rock

b)

temperatures inside the Earth

c)

weight from sediments above

d)

water flowing over rock

21.

What occurs when the weight of new sediment layers is deposited on top of older layers

a)

erosion

b)

compaction

c)

pressure

d)

weathering

22.

What type of sedimentary rock is breccia?

a)

vesicular

b)

clastic

c)

crystalline

d)

organic

23.
Preserved parts or traces of animals and plants that lived in the past
a)
natural gas
b)
imprints
c)
photos
d)
fossils
24.
Sedimentary Rocks are often made up of other rocks and minerals.
a)
True
b)
False
25.
Sedimentary rocks are often formed in layers.
a)
True 
b)
False