Absolute Dating

Absolute Dating

Assessment

Flashcard

•

Science

•

9th - 10th Grade

•

Practice Problem

•

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is Absolute Dating?

Back

A method used to determine the exact age of an object or fossil by measuring the decay of radioactive isotopes.

2.

FLASHCARD QUESTION

Front

What element is commonly used in Absolute Dating for organic materials?

Back

Carbon-14.

3.

FLASHCARD QUESTION

Front

What is the Half-life of a radioactive isotope?

Back

The time required for half of the radioactive atoms in a sample to decay.

4.

FLASHCARD QUESTION

Front

What is the half-life of Carbon-14?

Back

Approximately 5,730 years.

5.

FLASHCARD QUESTION

Front

What is the half-life of Potassium-40?

Back

1.3 billion years.

6.

FLASHCARD QUESTION

Front

If a sample has a half-life of 10 seconds, how much of the original sample remains after 20 seconds?

Back

25% of the original sample remains.

7.

FLASHCARD QUESTION

Front

What is a parent isotope?

Back

The original radioactive isotope that undergoes decay.

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