Earth History Test Review

Relative Dating

• Method to determine if an event or object is older or younger by comparing the rock layers.

• Method of measuring the age of an event or object using radioactive elements. Gives an exact date.

• Principle that States that are above the rocks if the younger layers of oldest rocks have not been disturbed

Law of Superposition

• Principle that States that are above the rocks if the younger layers of oldest rocks have not been disturbed

• Method to determine if an event or object is older or younger by comparing the rock layers.

• Method of measuring the age of an event or object using radioactive elements. Gives an exact date.

Which method would be BEST for scientists to use to determine the absolute age of a Precambrian igneous rock?

• index fossils

• law of superposition

• radiometric dating

• relative dating

What is an intrusion?

• molten magma that goes through rock layers, is older than what it cuts through

• molten magma that goes through rock layers, is younger than what it cuts through

• lava that sits on the surface of the earth and has cooled down

The oldest rock layer in this diagram is layer __________.

• B

• A

• E

• C

The most recent rock layer in this diagram is layer _______.

• B

• A

• E

• C

Which layer is older than layer D?

• B

• A

• E

• C

Which layer is younger than layer C?

• B

• D

• E

• C

What would mostly likely assist a paleontologist in proving that two organisms are related?

• Mapping location of where the fossil grew

• recording how tectonic plates have move

• analyzing the composition of the rock fossil

• Comparing the structures of the fossil to modern day organisms

__________ was the first person to base a system of classification on organisms having similar structures

• Aristotle

• Darwin

• Einstein

• Linnaeus