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- 1. Multiple Choice
T/F: Geologist use radioactive dating to find the absolute age of rocksTrueFalse - 2. Multiple ChoiceThe time it takes for 50% of the nuclei in a radioactive sample to decay to its stable isotope is called ___________.the half lifegeologic timethe daughter productthe parents isotope
- 3. Multiple ChoiceScientist think the Earth is ___ years old.4,50045,0004.5 million4.5 billion
- 4. Multiple ChoiceThe number of years that have passed since the rock formed is the rock'srelative agelaw of superpositionabsolute ageindex fossil
- 5. Multiple ChoiceA break in Earth's crust is calledan intrusiona faulta layeran index fossil
- 6. Multiple ChoiceAccording to the law of __________, in horizontal sedimentary rock layers the oldest layer is at the bottom and the youngest layer is at the top.superpositionindex fossil
- 7. Multiple Choice
Which of the following provides evidence of how life and environmental changes have changed?
asteroids
tree rings
fossils
melting glaciers
- 8. Multiple Choice
Which of the following is NOT an example of a fossil type?
Mold fossil
Trace fossil
Preserved fossil
Dough fossil
- 9. Multiple Choice
Which of the following represents the era of time that we are currently in?
Paleozoic Era
Mesozoic Era
Precambrian Era
Cenozoic Era
- 10. Multiple Choice
Which type of fossil only existed for a short period of time and are found abundantly. They are used to help find the relative age of rock layers.
Index fossils
Amber fossils
Mold fossils
Trace fossils
- 11. Multiple Choice
Carbon dating is an example of:
law of super position
relative dating
absolute dating
- 12. Multiple Choice
Fossils are usually found in Sedimentary rocks. Which option describes sedimentary rocks?
form inside or outside of volcanoes
occur when material is subjected to both heat and pressure to become a new rock
made of sand, mud, and rock bits that are cemented together to form various layers
- 13. Multiple Choice
According to the law of super position...
plant fossils will be found above animal fossils
harder fossils will be found below softer ones
younger rocks will be found below older ones
older rocks will be found below younger ones
- 14. Multiple Choice
Which layer contains the oldest organisms?
Layer D
Layer C
Layer A
Layer B
- 15. Multiple ChoiceWhich of the following is the oldest?Layer LIntrusion DIntrusion HLayer E
- 16. Multiple ChoiceLetter "F" is a....inclusionintrusionfaultunconformity
- 17. Multiple Choice
What is the most recent event?
E
B
C
D
- 18. Multiple Choice
Above what layer is there an unconformity?
H
M
R
F
- 19. Multiple ChoiceAnalyze the seashell found in the white layer. Which statement is true of the rock layer that contains this fossil?It could also contain a fossil from the bottom layer.It is older than the layers below it.It is younger than the layers above it.It is older than the layers above it.
- 20. Multiple ChoiceWhat are the relative ages of the features in order from oldest to youngest?Limestone, Basalt, Fault, SiltstoneSiltstone, Fault, Basalt, LimestoneLimestone, Fault, Basalt, SiltstoneLimestone, Siltstone, Fault, Basalt
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