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Relative dating 6th
- 2. Maya is older than Anna
Nikki is older than Cheryl
Cheryl is older than Maya
Who is the oldest?
- 3. Maya is older than Anna
Nikki is older than Cheryl
Cheryl is older than Maya
Who is the oldest?
youngest
oldest
- 4. Maya is older than Anna
Nikki is older than Cheryl
Cheryl is older than Maya
Who is the oldest?
4
2 3 1
- 5. HOW DO WE KNOW HOW OLD
THE EARTH IS AND HOW
LONG AGO THINGS
HAPPENED ON EARTH?
- 6. WHAT IS RELATIVE
DATING?
Relative Age—how old something is compared to something
else
Example: I am older than John, but younger than Mary.
- 7. ROCK LAYERS
We can “read” rock layers to determine relative age of fossils and
rocks
- 9. ROCK LAYERS
Law of Superposition younger rocks are on top, older rocks are on
bottom
A
B
C
D