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Chapter 6 Quiz: A Trip Through Geologic Time

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
Geologist use the Law of Superposition to determine the absolute age of rocks.
a)
True
b)
False
2.

preserved an entire organism

a)

trace fossil

b)

mold

c)

carbon film

d)

preserved remains

3.

"turned to stone"

a)

mold

b)

petrified fossil

c)

preserved remains

d)

trace fossil

4.

provides evidence of the activities of ancient organisms

a)

carbon films

b)

mold

c)

petrified fossils

d)

trace fossils

5.

preserves the delicate parts of plant leaves and insects

a)

carbon film

b)

cast

c)

mold

d)

petrified fossil

6.

a hollow area in sediment in the shape of an organism or part of an organism

a)

mold

b)

cast

c)

fossil

d)

trace fossil

7.

the preserved remains or traces of living things

a)

fossil

b)

mold

c)

cast

d)

carbon film

8.

results when organisms get trapped in tree resin or tar

a)

preserved remains

b)

trace fossils

c)

mold

d)

fossil

9.

extremely thin coating of carbon on rocks

a)

petrified fossil

b)

cast

c)

trace fossil

d)

carbon film

10.
According to the Law of Superposition, the older rocks would be found in the ___ layers of a section of rock.
a)
Top
b)
Bottom
11.
Radiometric dating is used to determine the absolute age of rocks.
a)
True
b)
False
12.
Radiometric dating uses radioactive isotopes to determine the absolute age of rocks.
a)
True
b)
False
13.
The time that it takes for half of a radioactive element's atoms to decay is it's
a)
era
b)
relative age
c)
half-life
d)
absolute age
14.
What has the study of fossils allowed scientists to do?
a)
describe past environments and the history of life
b)
study present ocean temperatures at different depths
c)
analyze the chemical composition of sedimentary rocks and minerals
d)
predict which organisms will become extinct in the future
15.
The relative age of a rock is
a)
its age compared with the ages of other rocks.
b)
less than the age of the fossils the rock contains
c)
the number of years since the rock formed
d)
its age based on how much carbon-14 the rock contains.
16.
Geologists use radioactive dating to
a)
determine the relative ages of rock layers
b)
tell the difference between molds and casts.
c)
tell where one soil horizon ends and the next one begins.
d)
determine the absolute ages of rocks.
17.
Footprints and trails are examples of trace fossils.
a)
True
b)
False
18.
Fossils usually occur in metamorphic rock.
a)
True
b)
False
19.

fossils in which minerals replace all of an organism

a)

trace fossils

b)

mold

c)

petrified fossils

d)

cast

20.

a solid copy of the shape of an organism

a)

mold

b)

cast

c)

carbon film

d)

preserved remains

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