Geology 18-19

Scientists will use ___________________ in order to determine the relative age of major events in Earth’s history.

• Rock layers

• Fossils

• Rock formations

• All of the above

Where are the oldest layers of rock found?

• At the bottom

• At the top

• In the middle

• They are all the same age

Which fossil layer is the oldest?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

Using the information that you have from the diagram, what most likely happened in this area according to the fossils?

• This area has always been a desert.

• This area was underwater at some point, but eventually, the water dried up.

• The area had a very cold climate, then transitioned to warm climate, then back to being cold.

• There was a massive extinction event that occurred after the fishes.

______________ drives convection currents.

• Wind

• Magma

• Thermal energy

• Magnetic energy

Convection currents drive magma upward and out of the crust at ______________.

• Divergent

• Convergent

• Transform

• Strike slip

What best explains how volcanic islands can occur in the middle of a tectonic plate?

• Convection currents

• Plate boundaries

• Hot spots

• Continental fit

Fossils would be destroyed at which plate boundary?

• Transform

• Convergent

• Divergent

• All of the answers

Which landform/event would be most likely to occur at this plate boundary?

• Trenches and ocean ridges

• Ridges and earthquakes

• Mountains and rift valleys

• Trenches and mountains

What would form if the right plate subducted beneath the left plate?

• Mountain range

• Trench

• Rift valley

• Mid-ocean ridge