Sedimentary Rocks

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

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