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MS-ESS1-4 : A Fascinating Fossil

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Last updated over 1 year ago
10 questions
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5
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7
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1
Question 3
3.

Question 1
1.
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Absolute Dating
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techniques allow us to predict a numerical age or range for past events relatively accurately.
Geologic Time Scale
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Technique that relies heavily on looking at the radioactive elements in rocks and the decay that took over time.
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Question 2
2.
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Based on the picture,
  • circle 1 of the organisms below as “youngest”
  • circle 1 of the organisms below as “oldest”
  • the other pictures you can ignore or circle “neither”
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Igneous Rocks
forms when magma cools down and solidifies and is useful for radiometric dating.
Radiometric Dating
is the process by which remains or traces of past life give rise to fossils.
Fossilization
is a linear representation of the most important events that occurred over a period of time in Earth’s history.
Rock Strata
is a crack or break in the rocks of the Earth’s crust which results in the displacement of the rocks on the opposite sides of the fracture.
Sedimentary Rocks
are fossils that are widespread geographically and can be used as time indicators to match rock layers of the same age. Often, they lived over a large area for a short period of time.
Principle of Cross-cutting
The action of geologic processes, such as faults, folds, magma intrusions, or erosion, that move rock layers into different positions.
Relative Dating
infers that rock layers are ordered on the vertical axis by age; younger rock layers are above ↑ and older rock layers are below ↓.
Index Fossils
Technique that allows us to order events by looking at the oldest vs youngest rock layers.
Fault
are horizontal ↔ rock layers originating from the accumulation or compaction of sediments that give rise to sedimentary rocks.
Principle of Superposition
forms by compaction of rock fragments or remains of living organisms. Useful for relative dating techniques.
Use the picture of the rock strata A-L, to answer the multiple choice questions below:
Question 4
4.

What kind of rock are the fossils
found in?

Question 5
5.

Which layer existed after the fault?

Question 6
6.

Question 7
7.

Explain the Law of Superposition. Refer to the picture to help you.

Question 8
8.

Is organism J older OR younger than organism F? Use the picture to provide evidence to support your claim.

Question 9
9.

Identify ONE layer that is older than F. Explain how you identified the layer as older based on the picture.

Question 10
10.

Now identify ONE layer that is younger than F. Explain how you identified the layer as younger based on the picture.

To determine the age of the tooth in Layer F, CIRCLE the TWO layers you would use radiometric dating on?
Layer H
Layer J
Layer G
Layer I
Layer D
Layer F
Layer E
Layer K
Layer L