Fossil Formation

Describe characteristics of different fossil types.

Explain where fossils may be found.

What are print fossils?

• Impressions of a plant or animal that lived long ago.

• Actual remains of the plant or animal.

• Fossils that are preserved in amber.

• Fossils that are formed by rapid burial.

How is a mold fossil formed?

• When a living thing is covered with sediment and dies.

• When minerals replace the original plant or animal.

• When the remains are preserved in amber.

• When the soft parts decay and only hard parts remain.

What is a cast fossil?

• An impression of the original.

• A copy of the original made from minerals.

• A fossil that has decayed.

• A fossil preserved in amber.

What is an original-remains fossil?

• A fossil that contains actual remains.

• A fossil that is just an impression.

• A fossil formed by rapid burial.

• A fossil preserved in coal.

How are petrified fossils formed?

• By minerals soaking into the original hard parts.

• By the decay of soft tissues.

• By rapid burial.

• By preservation in amber.

What happens during carbonization?

• Most chemicals disappear except carbon.

• The original material is replaced by minerals.

• The remains are preserved in amber.

• The soft parts decay quickly.

What things mold fossils have been found? pick 3 answers.

• Shells

• bones

• skin

• wood

What are two kinds of print fossils?

• Petrified

• casts

• molds

• carbonized