Front

Scientists use radiometric dating (radioactive decay) to measure...

Back

absolute time (dating)

Front

According to the law of superposition, where are the oldest fossils found?

Back

Near the bottom of the rock layers

Front

According to the law of superposition, which layer is the youngest? Options: A, B, C

Back

A

Front

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

Back

relative age

Front

How old do Paleontologists believe the Earth is?

Back

4.6 billion years old

Front

Which rock layer in the diagram seems to be the oldest? Options: F, E, B, A

Back

A

Front

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

Back

True

Front

Which rock layer was formed most recently? Options: Permian, Carboniferous, Silurian, Cambrian

Back

Permian

Front

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

Back

relative age

Front

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
Options: Fossil A and C are the same age
, Fossil B is older than fossil C, Fossils A is older than fossil B, Fossil D is older than fossil C

Back

Fossil D is older than fossil C