Dating Fossils

Dating Fossils

Assessment

Flashcard

Biology

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the relative age of a rock?

Back

The relative age of a rock is its age in comparison to the ages of other rocks.

2.

FLASHCARD QUESTION

Front

What is absolute age dating?

Back

Absolute age dating determines the actual age of a rock or fossil, often using methods like radiometric dating.

3.

FLASHCARD QUESTION

Front

What is radiometric dating?

Back

Radiometric dating is a method used to date materials by comparing the abundance of a radioactive isotope to its decay products.

4.

FLASHCARD QUESTION

Front

What does carbon-14 dating measure?

Back

Carbon-14 dating measures the amount of carbon-14 in organic materials to estimate their age.

5.

FLASHCARD QUESTION

Front

What is the significance of index fossils?

Back

Index fossils are used to identify and date the layers of rock in which they are found, indicating a specific time period.

6.

FLASHCARD QUESTION

Front

How does the amount of carbon-14 relate to the age of a fossil?

Back

The less carbon-14 present in a fossil, the older it is, as carbon-14 decays over time.

7.

FLASHCARD QUESTION

Front

What is the principle of superposition?

Back

The principle of superposition states that in undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest are at the top.

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