Understanding Strontium in Anthropology

Understanding Strontium in Anthropology

Assessment

Interactive Video

Science, Biology, Geography, History

9th - 12th Grade

Hard

Created by

Sophia Harris

FREE Resource

The video explains how strontium analysis in teeth can reveal where a person lived during their early years. This technique is valuable for anthropologists studying ancient humans, as it provides insights into historical living patterns. Strontium isotopes, particularly Strontium-87 and Strontium-86, vary based on local geology and are incorporated into teeth through diet. By analyzing these isotopes, scientists can determine the geographical history of individuals. A case study of Cahokia demonstrates how this method has reshaped theories about ancient societies.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one method anthropologists use to determine where ancient humans lived?

Studying weather patterns

Reading ancient texts

Examining strontium in teeth

Analyzing social media

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is strontium-87 more prevalent in older rocks?

It is a product of rubidium decay

It is formed by volcanic activity

It is a result of human activity

It is more common in younger rocks

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a high strontium-87 to strontium-86 ratio indicate about a region?

It has older geological formations

It has a high population density

It has a lot of volcanic activity

It is near the ocean

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary source of strontium in the environment?

Solar radiation

Human pollution

Rubidium decay

Volcanic eruptions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does strontium enter the human body?

Through diet and water

Through breathing

Through skin absorption

Through sunlight

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What can the strontium ratio in wisdom teeth reveal?

The person's childhood residence

The person's age

The person's diet

The person's occupation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main element that strontium replaces in teeth?

Potassium

Calcium

Iron

Magnesium

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