Which layer of rock is the youngest?
Which layer of rock is the youngest?
Welcome Back!
This Week 5: Geologic Superposiong and Index Fossils has two short videos and about 10 questions.
Be sure to attempt all the questions and submit when you are finished. Please contact me through the comment feature or send an email to rshaw@fergflor if you have any questions.
Note: Week 1 lessons will be closing next week, so be sure to submit soon. Any unsubmitted lessons will not count as complete and score will not be included in the average when the lesson closes.
Which layer of rock is the youngest?
Which layer of rock is the oldest?
In order to be a good index fossil, it needs to be from a widespread organism over a short period of time.
Prompt: These three hills used to be one hill in the past before they separated. Based on the law of superposition, which fossil is the oldest?
Prompt: Look at the hill on the right. Based on the law of superposition, which fossil is the youngest?
Prompt: An index fossil is a fossil that only shows up in one rock layer (a single rock layer has the same color). Study the three hills and identify the three index fossils.
How long did this lesson take you to complete today?
