Lesson 1 Unit 1 Review

What type of rock do fossils form in?

• Igneous
• Sedimentary
• Metamorphic
• Classic

The Geologic Time Scale is a record of what?

• old geologists
• sweet geology music
• the known history of rocks and fossils
• a list of every living thing ever

According to the law of superposition, which layer is the youngest?

• A
• B
• C

The Earth is constantly changing.

• True
• False

Fossils of widely distributed organisms that lived during only one short period.

• index fossil
• fossil
• ammonites 
• bones

The preserved remains of plants or animals. 

• cast
• mold
• index fossil
• fossil

What is the trace or remains of an organism that lived long ago?

• Fossil
• Chiefs
• Unconformity
• Patriots

Which layer is the oldest?

• 3
• 4
• 1
• 5

The ___________ ____________ is all of the fossils that have ever been discovered. 

• History Record
• Rock Record
• Geology Record
• Fossil Record

The geologic time scale is put together by studying...

• Rocks and Fossils
• Animals that are alive
• Books
• Documentaries