Module 7 Test - Geologic Time

Which rock layer is the oldest?

Geologists organized the geologic time scale based on _____.

The inclusions in M are ____________ the rock itself.

Which rock layer is the youngest?

According to the principle of ____, Event P is younger than Event M.

Index fossils are the remains of species that existed on Earth for relatively short periods of time

The largest time frame of the geologic time scale is an era.

What leads scientists to hypothesize that a meteorite impact caused the mass extinction of dinosaurs?

What is F called?

What is I called?

Layer H is deposited on a(n) ____________.

Geologists use index fossils

According to the principle of _, Layers Q, M, O, N, and L weren't deposited at an angle when they first formed.

Layer J is ____________ Layer N.

Which shows the divisions of the geologic time scale from largest to smallest segments?

Which of the following is an Index Fossil?

The erosion of Layers L, M, and N occurred ____________ Event P.

Event P occurred ________ Layer H.

What is true about the rock layers shown below?

The relative ages of Layers H, I, J, and K can be determined using the principle of _.