Exercise
Law of Superposition and Rock Layers
Study how the Law of Superposition helps scientists determine the relative ages of undisturbed sedimentary rock layers.
Questions
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MultiChoice
What does the Law of Superposition state regarding undisturbed sedimentary rock layers?
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MultiChoice
In an undisturbed stack of sedimentary rocks, layer A lies below layer B. Which layer is older?
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MultiChoice
Which scientist is credited with formulating the fundamental Law of Superposition?
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MultiChoice
What geological process can disrupt the original horizontal ordering of rock strata?
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MultiChoice
Relative rock dating allows geologists to determine:
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MultiChoice
What is a 'stratum' (plural: strata) in geology?
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MultiChoice
In an undisturbed canyon wall, where would you expect to find the most recently formed fossil?
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MultiChoice
What condition must be met for the Law of Superposition to apply directly?
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MultiChoice
What principle states that sediment is originally deposited in flat, horizontal layers?
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MultiChoice
How do relative dating principles help paleontologists organize Earth history?
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MultiChoice
If a cliff exposes five undisturbed sedimentary layers numbered 1 (bottom) to 5 (top), which layer is oldest?
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MultiChoice
Relative age comparison tells scientists: