Paleontology/Isotopes Flashcards
1
Q
What do paleontologists study?
A
study of the history of life on Earth in prehistoric era, mostly with fossils
2
Q
How many mass extinctions were there?
A
five
3
Q
2-3 things that may have caused these mass extinctions
A
Asteroid impacts, climate change, volcanoes
4
Q
Evidence of astroid impacts
A
Rock is more compressed
5
Q
Evidence of Volcanoes
A
sedimentry rocks
6
Q
Evidence of Climate Change
A
Acid Rain (vinillian)
7
Q
Example of Alpha particle
A
4/2 He
8
Q
Example of Beta particle
A
0/-1 e
9
Q
Example of Gamma
A
0/0
10
Q
What is a beta particle
A
an electron
11
Q
Energy
A
gamma ray
12
Q
The isotope you have before the nuclear decay
A
parent nucleus
13
Q
the isotope you have after the nuclear decay occurs
A
daughter nucleus
