Rocks!!!
Laws
Vocabulary
Fossils
Everything Else
100


What is sedimentary?

100

These surfaces represent a gap in time.

What is an unconformity?

100

These are the two main categories of igneous rocks.

What are intrusive and extrusive?

100

This type of fossil provides the least amount of information about an organism.

What is a Trace Fossil?

100

The reason chipmunks and mice look physically similar.

What is common ancestry?

200


What is igneous?

200

This law states that sediment layers are originally deposited horizontally.

What is the Law of Original Horizontality?

200

This is the process of less dense water rising and more dense water sinking.

What is convection?

200

This type of fossil provides the most information about an organism.

What is original material?

200

This is a result of natural selection.

What is adaptation?

300


What is Calcite?

300

This principle states that an igneous intrusion is always younger than the rock it cuts across.

What is the Principle of Cross-Cutting Relationships?

300

This type of classification emphasizes evolutionary lineage.

What is phylogeny?

300

In this type of fossil preservation, organic carbon is replaced with silica.

What is Replacement?

300

This causes random occurrences in genetic make-up.

What is mutation?

400

Quartz sandstone is this type of sedimentary rock.

What is clastic?

400

This law states that in undeformed stratigraphic sequences, the oldest layer is on the bottom.

What is the Law of Superposition?

400

This is a physical character derived from similar parts of organisms.

What is a Homologous Structure?

400

Fossils provide information on an organism's form and shape which is its...

What is Morphology?

400

These two things drive convection in the oceans.

What are temperature and salinity?

500

This sedimentary rock is made up completely of shell fragments.

What is coquina?

500

This rule states that the clasts contained within a rock are older than the rock itself.

What is the Rule of Inclusions?

500

This type of organism lives on or attaches to another organism.

What is an Epibiont?

500

This type of fossilization is characterized by a thin black film.

What is carbonization?

500
This is the greatest science on Earth.

What is Geology?

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