Absolute Dating
what is absolute dating
the exact age and date of a fossil
What is relative dating
Finding out whether objects are older or younger than other objects
What is a fossil
A trace or make left behind from an animal or plant
how does new sediment get onto a beach? (sanded, pebbles, rocks, fossils)
deposition, erosion
My dog sprinkles is 8 years old (True or false)
True
Mr. Ambrose is a few months older than Mrs. Yaro
(True or false for relative)
true
What is a paleontologist?
A person who studies fossils.
In what ways are rock layers disturbed (Moved)
Tilting, fault, intrusion, folding
if a seashell is 9000 years old and a dog bone is 8000 a turtle shell is right in-between, what's the turtles age?
8500
What does relative dating use
Rock layers
What is superposition
Younger rocks are above older rocks
What are different ways Earth can change
Erosion, deposition, weathering, pollution
Which of the following is a true example of absolute dating?
Geologists study the isotopes in a rock and use half-life to estimate the age
How are faults related to the law of relative dating?
Faults are always the younger in a sequence
What is unconformity
A break in the rock layers
A geologist is studying a soil profile. He determines that volcanic intrusion occurred and is younger than the rock around it. What law helped him make this decision?
Law of cross-cutting
Which of the following is an absolute dating method and not a relative dating method?
Radiometric Dating
If the fossil is closer to the surface what does that mean
The fossil is younger
What is uniformitarianism
The geological process from the past can be defined by current geological processes
What are incidents that contribute to catastrophism.
Volcanic eruptions, asteroids, earthquakes, tsunamis