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Which of the following words describes change according to the principle of uniformitariansim?
Sudden
Rare
Global
Grad
ual
4%
88%
4%4%
1. Sudden2. Rare3. Global4. Gradual
Scientists who study past life including fossils of plants and animals are called . . .
Archeologis
ts
Anthro
pologists
Unifo
rmita
rianist
s
Paleontologist
s
0%
88%
4%8%
1. Archeologists2. Anthropologists3. Uniformitarianist
s4. Paleontologists
Determining whether an object is older or younger than other objects is called . .
Relative dating
Superp
osition
Absolute
dating
Geologic
dating
76%
0%8%
16%
1. Relative dating2. Superposition3. Absolute dating4. Geologic dating
Molten rock that squeezes into existing rock and cools is called
Fold
Fault
Intru
sion
Unco
nformity
0% 4%
92%
4%
1. Fold2. Fault3. Intrusion4. Unconformity
Fossils are most often preserved in
Ice
Rock
Amber
Tar pits
0%4%
17%
79%1. Ice2. Rock3. Amber4. Tar pits
A cavity in rock where a plant or animal was buried is called
Cast M
old
Imprin
t
Trace fo
ssil
44%
0%
12%
44%1. Cast2. Mold3. Imprint4. Trace fossil
What is an index fossil?
A naturally
preserve
d foss.
.
Tracks,
burrows,
nests of..
.
A fossi
l of a
n organism ...
A fossi
l that r
eprese
nts a...
19%10%
62%
10%
1. A naturally preserved fossil that shows evidence of animal activity.
2. Tracks, burrows, nests of extinct animal.
3. A fossil of an organism that lived during a relatively short well-defined time span.
4. A fossil that represents a missing part of the geologic column
Erosion and nondeposition cause
Folding
Cross
cutti
ng
Intru
sions
Unco
nformities
5%
82%
5%9%
1. Folding2. Cross cutting3. Intrusions4. Unconformities
All of the following are types of unconformities EXCEPT . . .
Angular u
nconfo
rmities
Anticonfo
rmities
Disc
onform
ities
Nonco
nform
ities
10%5%5%
80%
1. Angular unconformities
2. Anticonformities3. Disconformities4. Nonconformities
Which of the following is in the correct order from largest to smallest amounts of time?
Eon, e
ra, p
eriod
Epoch
, era, p
eriod
Epoch
, perio
d, era
Period, e
ra, eon
52%
29%
14%
5%
1. Eon, era, period2. Epoch, era, period
3. Epoch, period, era
4. Period, era, eon
The Cretaceous, Jurassic and Triassic time periods were in what era?
Cenzoic
Paleozoic
Phanerozo
ic
Meso
zoic
4%
50%
4%
42%
1. Cenzoic2. Paleozoic3. Phanerozoic4. Mesozoic
Which of the following were NOT in the Paleozoic Era?
Permian
Archeon
Siluria
n
Ord
ivicia
n
23%
14%14%
50%1. Permian2. Archeon3. Silurian4. Ordivician
What eon, era and period do we live in?
Prote
rzoic,
Cenozoic,
Ter...
Phanerozo
ic, Cenozo
ic, ...
Paleozoic,
Quart
ernary,
...
Hadeon, P
hanerozo
ic, Q
...
25%
15%
30%30%
1. Proterzoic, Cenozoic, Tertiary
2. Phanerozoic, Cenozoic, Quarternary
3. Paleozoic, Quarternary, Tertiary
4. Hadeon, Phanerozoic, Quarternary
The principle that outlines how rocks like undisturbed sequences with the older rocks on the bottom is called . . .
Relative dating
Radiometric d
ating
Superp
osition
Law of c
ross
cutti
ng
0% 5%
86%
9%
1. Relative dating2. Radiometric dating3. Superposition4. Law of cross cutting
An unstable isotope is called the . .
Son is
otope
Daughte
r isoto
pe
Gran
dparent is
otope
Parent is
otope
20% 20% 20%20%20% 1. Son isotope2. Daughter isotope3. Grandparent isotope4. Parent isotope
0 of 27
Of the following isotopes, which is stable?
uranium-238
carb
on-12
potassium-40
carb
on-14
20%
48%
8%
24%
1. uranium-238 2. carbon-123. potassium-40 4. carbon-14
Which method of radiometric dating is used mainly to date the remains of organisms that lived within the last 50,000 years?
carb
on-14 dating
potassium-arg
on dating
uranium-le
ad dating
rubidium-st
rontium dating
52%
14%19%
14%
1. carbon-14 dating2. potassium-argon
dating3. uranium-lead dating4. rubidium-strontium
dating
The largest divisions of geologic time are called . . .
Periods
Eons
Eras
Epoch
s
10%5%5%
80%1. Periods2. Eons3. Eras4. Epochs
To determine the most accurate and precise age of Earth’s oldest rocks, geologists would use
Relative dating
The uranium-le
ad meth
od
The carb
on-14 meth
od
Index f
ossils
55%
15%
5%
25%
1. Relative dating2. The uranium-lead
method3. The carbon-14 method4. Index fossils
Which of the following processes always occurs at a steady rate?
Erosio
n
Deca
y of org
anic matter
Sedim
ent depositi
on
Radioactive
decay
11%
74%
11%5%
1. Erosion2. Decay of organic
matter3. Sediment
deposition4. Radioactive decay
Which of the following is correct from oldest to youngest?
3, 1, 6
, 5, 4
, 2
2, 4, 5
, 3, 6
, 1
4, 5, 2
, 3, 6
, 1
5, 4 , 2
, 6, 1
, 3
25% 25%25%25%
1. 3, 1, 6, 5, 4, 22. 2, 4, 5, 3, 6, 13. 4, 5, 2, 3, 6, 14. 5, 4 , 2, 6, 1, 3
If a rock started with 260 g of potassium and 0 g of argon and had a half life of 10 years, how much potassium would be left after 4 half lives?
40 years
54 grams
32.5 grams
16.25 grams
14%
71%
5%10%
1. 40 years2. 54 grams3. 32.5 grams4. 16.25 grams
If after 3 half lives there was only 8 grams of parent carbon 14 left, how much carbon was there to start with if the half life of carbon is 5,715 years long?
1 gram
64 grams
17,415 years
32 grams
0%
29%
38%33%
1. 1 gram2. 64 grams3. 17,415 years4. 32 grams