Free Printable Sedimentary Rocks

Worksheets

Sedimentary Rocks

Total questions: 30

Worksheet time: 24mins

Name

Class

Date

Rock made of layers of compressed sediments

metamorphic rock

igneous rock

sedimentary rock

school house rock

What are the types of sedimentary rock?

Igneous; Metamorphic; Sedimentary

Clastic; Igneous; Sedimentary

Chemical; Clastic; Inorganic

Organic; Clastic; Chemical

Chemical rocks are...

Made from heat

Made when water evaporates and minerals crystallize

Made from dead animals/plants

Made from pieces of other rocks

Organic rocks are...

Made from heat

Made when water evaporates and minerals crystallize

Made from the remains of dead animals/plants

Made from pieces of other rocks

What is an example of an organic rock?

coal

breccia

rock salt

shale

This rock is made of large bits of gravel cemented together. What type of sedimentary rock is it?

Clastic

Chemical

Organic

This rock is made of the remains of dead sea creatures (which have turned into oil). What type of sedimentary rock is it?

Clastic

Chemical

Organic

Small pebbles, pieces of other rock, and sand are called?

weathering

sediment

Which formation process do most sedimentary rocks follow?

cementation, compaction, deposition, erosion

erosion, compaction, cementation, deposition

erosion, deposition, compaction, cementation

10.

How are clastic rocks formed?

minerals dissolve in a solution & then crystallize

rock fragments are squeezed together

remains of plants & animals are deposited in thick layers

11.

What factors can lead to the formation of a sedimentary rock?

evaporation and precipitation

melting and solidification

extreme heat and pressure

12.

Describe the texture of breccia.

vesicular

clastic

crystalline

bioclastic

13.

Fossils are only found in sedimentary rocks.

True

False

14.

Name this rock.

lithographic limestone

breccia

coal

conglomerate

15.

What kind of rock is formed when debris is buried, compresses and cemented together?

Metmaorphic

Magma

Sedimetnary

Igneous

16.

_{Sedimentary Rocks are often made up of other rocks and minerals.}

True

False

17.

What size sediment makes shale?

Sand

Clay

Cobble

18.

What size sediment makes sandstone?

Pebble

Silt

Sand

19.

What rock is made from sand?

Siltstone

Gravel

Sandstone

20.

How is sediment classified/grouped?

By color

By hardness

By size

21.

What does clastic mean?

Compacted sediment

Magma made the rock

The rock has crystals

22.

How is sediment formed?

Weathering and Erosion

Melting

Pressure

23.

The natural "cement" that hold sediments together to form sedimentary rock is made up of?

glue

minerals

marshmallows

24.

Coal is formed from dead plants and other organisms?

True

False

25.

Sedimentary rocks are often formed in layers.

True

False

26.

Fossils are only found in sedimentary rocks.

True

False

27.

When sediments are pressed together tightly, this is called ____________.

Compaction

Cementation

Weathering

Erosion

28.

Sedimentary rock that is made of fragments of rocks cemented together by a mineral are called...

chemical

organic

clastic

29.

Sedimentary rock made from fossils are called...

organic

chemical

stratified

30.

This rock is made of salts left behind when a shallow sea evaporated. What type of sedimentary rock is it?

Clastic

Chemical

Organic

Reset

Sedimentary Rocks

Total questions: 30

Worksheet time: 24mins

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