Practice Test - Fossils, Aging, and Geologic Time

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1.
1 point
What is the largest unit of Geologic Time?
2.
1 point
The age of Earth was discovered by aging rocks in mountains?
3.
1 point
Intrusions and Extrusions are caused by sedimentary rock?
4.
1 point
Radioactive decay happens when atoms/elements are unstable and breakdown at the _________________ level?
5.
1 point
The smallest particle of matter is an element?
6.
1 point
What is not a period of the Mesozoic Era?
7.
1 point
What would be a good index fossil?
8.
1 point
Scientific theories are widely accepted improvable explanations of science?
9.
1 point
Carbon 14 has a short half life and is used to date once living things?
10.
1 point
What division of time divides an Eon?
11.
1 point
What Era is often called the Age of Reptiles?
12.
1 point
A break in the Earth is called a fault?
13.
1 point
Simple one-celled organisms developed during the Cenozoic Era?
14.
1 point
Cenozoic means ___________ life?
15.
1 point
Soft parts of organisms usually fossilize, while the hard parts decay away?