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Chapter 5 Fossils
Test Description: Fossils
Instructions: Answer all questions to get your test result.
1) Hardened tree sap is called ___________________.
A
Carbon
B
Amber
C
Fossil
D
Coprolite
2) Fossilized dinosaur poop is called ________________________.
A
Carbon
B
Coprolite
C
Amber
D
Fossil
3) Which rock layer is always the oldest?
A
The darkest rock layer
B
The bottom rock layer
C
The layer with more ossils
D
The lightest colored rock layer
4) The study of fossils is called_______________________
A
Paleontology
B
Chemistry
C
Biology
D
Carbon Dating
5) What is the type of Fossil Dating that uses rock layers?
A
Carbon Dating
B
Absolute Dating
C
Rock Dating
D
Relative Dating
6) Fossils are most commonly found in ____________________________.
A
water
B
Ice
C
sedimentary rock
D
metamorphic rock
7) Fossils can be preserved in
A
Sedimentary Rock
B
all of the above
C
Ice
D
Tar pits
8) How many grams are left of a 20 gram sample of a radioactive isotope after 2 half lives?
A
5g
B
20g
C
10g
D
2.5g
9) The half life of Carbon-14 is 5600 years. How much would be left of a 50 gram sample after 11,200 years?
A
5g
B
25g
C
12.5g
D
50g
10) The half life of Carbon-14 is 5600 years. How much would be left of a 100 gram sample after 5600 years?
A
50g
B
75g
C
100g
D
25g
11) The geologic time scale is subdivided into
A
eras and periods
B
relative ages
C
absolute ages
D
unconformities
12) The earliest multicelled organisms were
A
bacteria
B
vertebrates
C
land plants
D
invertebrates
13) Which of the following was found in Earth's first atmosphere?
A
hydrogen
B
carbon dioxide
C
oxygen
D
ozone
14) What change is Earth's atmosphere allowed organisms to live on land?
A
a collision with a comet
B
the absorption of carbon dioxide by oceans
C
the development of the ozone layer
D
a strong burst of particles from the sun
15) A break in Earth's crust is called
A
a layer
B
a fault
C
an intrusion
D
an index fossil
16) A solid copy of the shape of an organism is
A
a fossil record
B
a cast
C
a carbon film
D
a mold
17) A hollow area in sediment in the shape of an organism or part of an organism is
A
a petrified fossil
B
a trace fossil
C
a mold
D
a cast
18) Which of the following substances is not able to preserve entire organisms?
A
amber
B
water
C
sticky tar
D
ice
19) What type of fossils provide evidence of the activities of ancient organisms?
A
carbon films
B
trace fossils
C
petrified fossils
D
molds and casts
20) According to sceintists, both Earth and the moon are
A
about 4.6 billion years old
B
about 9.6 billion years old
C
about 14 billion years old
D
about 1.6 billion years old
*select an answer for all questions
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