Brief History Of Everything Quiz Review Page 2
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29. How about the Cretaceous-Tertiary (K-T) boundary (end of the Mesozoic)? _________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
10. Explain what is believed to have caused the Pleistocene Ice Age. _________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
11. What is the age of a rock that contains 12.5% of its original parent material that has a ½ life
of 20 million yrs?
___________ yrs.
What would be the age if it contained 6.25%? _____yrs
What is half-life? ______________________________________________________________
How do we use it to determine the age of rocks? _____________________________________
_____________________________________________________________________________
12. There will be a LAB portion on the test. Be able to both EXPLAIN and PERFORM a procedure
finding the density of a substance.
13. Use the TALUNK method to graph data.
*** PROBLEM: Does spending more time
at the mall affect how much money you
spend at the mall?
Data 1:
Hours in
10
8
9
3
1
2
5
6
7
8
2
3
Mall
Dollars
96
70
80
20
10
35
50
70
75
90
20
60
spent
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