AGE OF THE EARTH - POST VOCAB Assessment

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Class Period

• 3rd
• 9th
• 8th

The principle that says in undisturbed rock layers, the oldest rocks are on the bottom.

• Superposition
• Original Horizontality
• Lateral continuity
• Inclusion
• Unconformity

Rock has eroded away, producing a break, or gap, in the rock record.

• Superposition
• Inclusion
• Cross-cutting
• Unconformity
• Correlation

If one geologic feature cuts across another feature, the feature that it cuts across is older.

• Superposition
• Inclusion
• Cross-cutting
• Unconformity
• Correlation

This principle states, if one rock contains pieces of another rock, the rock containing the pieces is younger than the pieces.

• Superposition
• Original Horizontality
• Inclusion
• Cross-cutting
• Unconformity

The numberical age in years of rocks or fossils, radioative isotopes are used to determine these ages.

• Relative Age Dating
• Absolute Age Dating
• Geologic Record
• Index Fossils
• Ingneous Rocks

Remains or traces of past life. They provide evidence of ancient organisms, past climates, and how the Earth has changed over time.

• Geologic Record
• Fossil Evidence
• Sedimentary Rocks
• Igneous Rocks
• Catastrophism