Earth's Changing Crust
Fossils in Rocks
Drifting Continents
Geologic History
100

The two types of crust.

What is oceanic and continental crust?

100

The branch of paleontology that deals with the processes of fossilization.

What is taphonomy?

100

Plate boundaries that move apart from each other.

What are divergent plate boundaries?

100

The specific name for the Paleozoic, Mesozoic and Cenozoic.

What are eras?

200

The event that will most likely occur where two plates move in different directions and slide against each other.

What is an earthquake?

200

The category in which the horseshoe crab is in.

What is a living organism?

200

Plate boundaries that collide with each other.

What are convergent plate boundaries?

200

The shortest division on the geologic time scale.

What is an epoch?

300

The action of surface processes (such as water flow or wind) that removes soil, rock or dissolved material from one location on the Earth’s crust. 

What is Erosion?

300

Fossils of the animal or animal part.

What are true form fossils?

300

Plate boundaries that slide past each other.

What are transform plate boundaries?

300

The longest time span in the Geologic Time Scale.

What was the Precambrian time period?

400

The type of crust that is less dense than oceanic crust.

What is continental crust?

400

fossils that form when minerals replace all or part of an organism.

What are petrified fossils?

400

A type of arc that forms above a subduction zone.

What are arc volcanoes?

400

The Era with the largest extinction.

What was the Palaeozoic time period?

500

The two materials that make the lithosphere.

What are crust and upper mantle?

500

A tool used for breaking or chipping rocks from fossils.

What are rock hammers?

500

One of the pieces of evidence that proved continental drift.

What was fossil ferns?

500

The most recent era in history according to the geological time scale.

What is the Cenozoic time period?

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