Relative and Absolute Dating

Absolute age is defined as:

• The age of rock determined by radiometric dating.
• The age of rock based on living animals.
• The age of rock based on its location.
• The age of rock determined by carbon dating. 

The age of a rock compared to the ages of other rocks is the rock's

• absolute age
• geologic age
• sedimentary age
• relative age

According to the law of __________, in horizontal sedimentary rock layers the oldest layer is at the bottom and the youngest layer is at the top. 

• Superposition
• Index Fossil
• Alfred Wegener
• Geologic Records

Which of the following correctly lists the layers in order from oldest to youngest?

• A, B, C, D, E
• E, B, C, D, A
• E, D, C, B, A
• C, B, A, D, E

Which rock layer or intrusion is the youngest?

• A
• B
• C
• D

How old do Paleontologists believe the Earth is?

• 2017 years old
• 3.5 billion years old
• 4.6 billion years old
• 4.6 million years old

_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

Trilobites are good index fossils because.... (pick the best answer).

• abundant, large
• abundant, widespread geographically, and only lived a short time
• only lived for a short time period
• were large
  carbonized

Letter "F" is a....

• inclusion
• intrusion
• fault
• unconformity 

True or False: The geologic record can help scientists to determine past environment and climate conditions.

• True
• False
• Maybe
• Sometimes