TEACHERS
GALLERY
PRICING
SIGN IN
TRY ZURU
GET STARTED
Loop
Audio
Interval:
5s
10s
15s
20s
60s
Play
1 of 4
Slide Notes
Download
Go Live
New! Free Haiku Deck for PowerPoint Add-In
Relative Age
Share
Copy
Download
0
43
Published on Mar 24, 2016
No Description
View Outline
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
1.
Relative Dating
Relative dating is the approximate age of fossils found within rock layers.
Photo by
Delkarm
2.
How can you determine the age of a fossil?
You could look at the layers by its age.
You also look at the layers and see what is the oldest and which one is the youngest.
Photo by
Yang and Yun's Album
3.
Radioactive Elements
Radioactive elements are elements that give off a steady amount of radiation as it slowly changes to a nonradioactive element.
Scientists can estimate the age of the rock by comparing the amount of radioactive element with the amount of a nonradioactive element.
Photo by
quapan
4.
Layers
The layers help you discover the approximate age for the fossils.
Younger rocks are normally on top and older layers are normally on the bottom.
Photo by
Dystopos
Matthew Goins
×
Error!