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Earth's Geologic History
Test Description: Earth's Geologic History Test Review
Instructions: Answer all questions to get your test result.
1) When did the Earth begin forming?
A
4.6 billion years ago
B
4.5 billion years ago
C
during the Mesozoic Era
D
4.6 million years ago
2) The Paleozoic Era is also know as the Age of
A
Fishes
B
Slurpies
C
Reptile
D
Mammals
3) The Mesozoic Era is also known as the
A
Age of Reptiles
B
Age of Fishes
C
Age of Dance
D
Age of Mammals
4) The Cenozoic Era is known as the
A
Age of Mammals
B
Age of Hot Dogs
C
Age of Fishes
D
Age of Reptiles
5) What happened when temperatures decreased during the ice ages of the Cenozoic Era?
A
Men created blankets.
B
Small reptiles died out.
C
New mammal species developed.
D
Seas flooded most continents.
6) What caused a variety of life-forms to appear in the Cambrian Period.
A
warm, shallow seas covering the continents.
B
lush forests appearing.
C
tectonic activity that created mountain ranges.
D
shallow inland seas retreating.
7) The numeric or exact age of an object is called?
A
relative age
B
absolute age
C
old age
D
friendly age
8) When did organisms that formed index fossils live?
A
long spans of geologic time.
B
short spans of geologic time.
9) Scientists have most accurately determined the absolute ages of rock layers by
A
using radiometric dating methods
B
determining rates of erosion
C
using geologic columns
D
factoring rates of sediment deposition
10) The rock sample that contains mostly the daughter isotope is...
A
volcanic
B
younger
C
older
D
muddy
*select an answer for all questions
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