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- 1. Multiple Choice
Fossil #1 is found 700ft under ground and fossil #2 is found 300ft under ground, which is newer?
Fossil #1
Fossil #2
Neither fossil is newer
Both Fossils are the same age
- 2. Multiple Choice
The idea that Earth processes that are at work today were at work in the past is called:
fossil record
rock cycle
rock formation
uniformitarianism
- 3. Multiple Choice
An estimation of a age made by comparing position of two objects is called:
rock cycle
fossil record
relative age
clast record
- 4. Multiple Choice
The theory that undisturbed layers of rock have the oldest layers on the bottom and the youngest on the top is called ______
fossil record
rock cycle
law of superposition
stratum
- 5. Multiple Choice
The preserved remains of an organism from long ago is called a ___________
stratum
clast
fossil
relative age
- 6. Multiple Choice
The __________of rocks is the numerical age and real age of rocks.
relative age
half-life
absolute age
earth age
- 7. Multiple Choice
All organisms contain the element_________, so it is used to find the ages of fossils.
carbon-14
carbon-12
carbon
carbon age
- 8. Multiple Choice
Geologist use the time it takes for a radioactive isotope to decay to half its original mass called a___________.
radioactive decay
isotope
half-life
carbon dating
- 9. Multiple Choice
Radioactive dating shows ___________ rocks are 4.6 billion years old.
Earth rocks
Moon rocks
Earth and Moon rocks
Radioactive rocks
- 10. Multiple Choice
The moon was made from a piece of _________ .
Moon
Earth
radioactive rocks
rock
- 11. Multiple Choice
Life on Earth has existed for more than _____________ years.
3.6 million
3 thousand
3 billion
4.6 billion
- 12. Multiple Choice
A long-lived natually occurring radioactive carbon isotope:
half-life
Isotope
Carbon-12
Carbon-14
- 13. Multiple ChoiceThe Law of Superposition helps scientists to determine what?The absolute age of rock layersThe age of fossilsThe relative age of rock layersthe super powers of rocks
- 14. Multiple Choice
According to the law of superposition, the oldest fossils are foundAt the top of the rock layersNear the bottom of the rock layersIn the middle of the rock layersSomewhat near the surface - 15. Multiple ChoiceThe time it takes for half of a radioactive isotopes to decay into stable isotopes is called theisotope decayradiometric datinghalf lifeabsolute age
- 16. Multiple Choice
The interaction of rigid lithospheric plates which move slowly over the underlying mantle is called ______________
Law of Superposition
Uniformitarianism
Plate tectonics
Radioactive decay
- 17. Multiple Choice
How old is a fossil with 30% Carbon-14?
10,000 years
15,000 years
20,000 years
25,000 years
- 18. Multiple Choice
Earth is about _________ billion years old.
4.2
4.3
4.5
4.6
- 19. Multiple Choice
The ______________ was made from a piece of _______________ during the time Earth was being created.
Earth : Moon
Moon : Earth
Earth : Earth
Moon : Moon
- 20. Multiple Choice
What isotope is being used on this graph?
Carbon- 11
Carbon- 12
Carbon- 13
Carbon- 14
- 21. Multiple Choice
How old is fossil with 80% carbon-14?
1,000 years
2,000 years
3,000 years
4,000 years
- 22. Multiple Choice
James Hutton came up with theory of _________ .
Relative age of rocks
Absolute age of rocks
Uniformitarianism
Half-life
- 23. Multiple Choice
When an element changes from it's original element is called an ______
half-life
superposition
radioactive decay
isotope
- 24. Multiple Choice
How old is a fossil with 40% carbon-14?
2,000 years
4,000 years
8,000 years
10,000 years
- 25. Multiple Choice
What type of rock are fossils found in?
Igneous
Metamorphic
Sedimentary
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