Forms as continental crust crumbles and bends.

Forms as blocks of rock move up or down along faults.

Opening where magma, gases, and rock fragments erupt.

Molten rock below the surface.

Molten rock that reaches the surface.

Hot spring in which water erupts through a narrow channel.

Rock formed from cooled magma or lava

Type of rock that contains fossils.

A dense cloud of superhot gases and rock fragments that race downhill.

A visible shape that was left after an animal or plant was buried in sediment and then decayed away.

When a mold is filled with minerals that harden the new form that's made is a __________

Age of an event or object in relation to other events or objects.

The actual age of an event or object.

Rocks on the bottom layer are older than those on top.

The insertion of molten rock into existing rock that reaches the surface

What type of volcano forms from lava flow and is a low dome shape?

In which of these will you NOT find an original remain?

What is the shortest amount of time when it comes to the geologic time scale?

James Hutton's theory that earth is an always changing place, and the same forces of change at work today were at work in the past is called?