Unit 3 and 4

When was it estimated that Pangaea broke apart?

What fault occurs at transform boundaries?

The hypothesis that today’s continents were once part of a single landmass

Waves of energy that travel through rock

Faults are an example of what?

Where does sea-floor spreading occur?

In relative dating, most times, the _____ layers are the oldest

The place within earth along the fault which is the first motion of an earthquake

This principle states that geologic processes that happened in the past can be explained by current geologic processes

Earth’s surface is ___ changing

The place where 2 tectonic plates move away from each other

What fault occurs at convergent boundaries?

What fault occurs at divergent boundaries?

Determining whether an object or event is older or younger than other objects or events is called

The trace or remains of an organism that lived long ago