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- 1. Multiple ChoiceThe geologic time scale is a record of....the history of fossils onlythe history of rocksthe history of rock layers and fossilsgeologist notes
- 2. Multiple ChoicePaleontologists infer that the earth is approximately how many years old?4.5 million years450 million years450 billion years4.5 billion years
- 3. Multiple Choice
Which fossil is the youngest
1
2
3
4
- 4. Multiple Choice
A geologist studies ________.
Earth's atmosphere
Earth's environment
Earth's crust
fossils
- 5. Multiple Choice
The Law of Superposition states
Younger rocks layers are on top of older rock layers
Fossils are found in sedimentary rocks
Older rock layers are on top of younger rock layers
Absolute age dating
- 6. Multiple Choice
Which fossil would make the best index fossil?
Beetle
Flower
Frog
Fish
- 7. Multiple Choice
What two methods are used for determining the age of rocks and fossils?
Relative and Absolute Dating
Carbon and Water Dating
Sedimentary and Igneous Rocks
Spatial and Layered Dating
- 8. Multiple Choice
Use relative age dating to put the rock layers in correct order from oldest to youngest.
B, D, A, E, C
C, E, D, A, B
A, C, E, D, B
C, E, D, B, A
- 9. Multiple Choice
Which is the youngest rock layer?
Siltstone
Conglomerate
Mudstone
Limestone
- 10. Multiple Choice
What does relative age tell us about a rock layer or fossil?
The age of one rock layer or fossil compared to another.
The actual age of a fossil determined by radiometric dating
Younger rock layers sit on top of older rock layers
Older rock layers sit on top of younger rock layers
- 11. Multiple Choice
When classifying time using the Geologic Time Scale which unit is the largest unit of time?
Period
Eon
Epoch
Era
- 12. Multiple Choice
Which is the oldest rock layer?
Siltstone
Conglomerate
Mudstone
Limestone
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