Module 6 The Abyss of Time
Explore the chapters to learn the unit 1 content.
Lesson 3.6.4
Lesson 4 - Pinpointing Time
Get Focused
Finding more exact ages for ancient objects is not a easy process. In this lesson we will investigate radiometric dating techiniques and learn how to calculate the age of ancient objects.
Consider the following essential questions as you complete Lesson 4:
- What is radiometric dating ?
- What is a half life ?
- What is a half life curve ?
- How does carbon dating work ?
Module 6 : Lesson 4 Assignment
Once you have completed all of the learning activities for this lesson you can complete the online assignment.
Below is a link to the assignment for this lesson. There is also a link at the bottom of the page.
Explore
Click on the link below to explore the lesson content
Vocabulary
Below is a link to the Science 20 Glossary. Make sure you can identify and define the terms within the glossary that correspond with this lesson.
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Read
Read pages 319 - 324 in the Science 20 Textbook. There is a text link below
Self Check
To check your understanding you can try the questions on page 324 of the Science 20 textbook.
Watch and Listen
Video or multimedia content
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Reflect and Connect
Research the oldest object that was dating using carbon dating techniques. Why couldn't an older object be dating using carbon dating ? Post your answers to the discussion forum.
Module 6 : Lesson 4 Assignment.
Lesson Summary
In this lesson you learned how to complete radiometric dating calculations, including carbon dating using half lives and decay curves.
Module 7 will look at Alberta as it existed in the distant past.