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WorksheetsMS-ESS1-4
Total questions: 22
Worksheet time: 45mins
Name
Class
Date
1.
According to the law of superposition, the oldest fossils are found
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
2.
Which rock layer in the diagram seems to be the oldest?
a)
F
b)
E
c)
B
d)
A
3.
gaps in rock layers caused by erosion are called
a)
law of superposition
b)
unconformities
c)
uniformitarianism
d)
relative dating
4.
Which type of dating method can be used on rock layers by applying the Law of Superposition?
a)
relative dating
b)
absolute dating
c)
radioactive dating
d)
radiometric dating
5.
Which of the following is the oldest?
a)
Layer L
b)
Intrusion D
c)
Intrusion H
d)
Layer A
6.
What happens during radioactive decay?
a)
A stable isotope of one element changes into an unstable isotope of a different element
b)
A stable isotope of one element changes into an unstable isotope of the same element
c)
An unstable isotope of one element changes into a stable isotope of a different element
d)
An unstable isotope of one element changes into a stable isotope of the same element
7.
Which best describes radiometric dating?
a)
using instruments that detect radioactivity to figure out how old something is
b)
measuring the relative amounts of a radioactive isotope and a daughter product to figure out the age of a sample
c)
measuring how quickly the different radioactive isotopes in a sample decay to figure out the age of the sample
d)
using short-wavelength electromagnetic radiation to determine the age of a sample
8.
The original element that undergoes radioactive decay is known as the...
a)
daughter element
b)
half-life
c)
parent element
d)
carbon-14
9.
Scientists use radioactive decay to measure...
a)
relative time
b)
absolute time
c)
half-lives
d)
time of day
10.
What does carbon-14 decay into?
a)
Nitrogen
b)
Lead
c)
Uranium
d)
Cobalt
11.
Which of the following would carbon dating not be used for?
a)
bones
b)
teeth
c)
rock
12.
What is the half life of carbon-14?
a)
10,000 years
b)
5,730 years
c)
2,135 years
d)
1,025 years
13.
How of a 10 g sample much Cobalt 60 would remain after 2 half lives (10.6 years) ?
a)
10 g
b)
5g
c)
2.5g
14.
What are the longest units of time in the geologic time scale?
a)
Periods
b)
Epochs
c)
Eons
d)
Eras
15.
We don't see much visible life until what time?
a)
The Hadean (Precambrian) Eon
b)
The Archaeozoic (Precambrian) Eon
c)
The Proterozoic (Precambrian) Eon
d)
The Phanerozoic (Precambrian) Eon
16.
Which of the following correctly lists the layers of rock in order from youngest to oldest?
a)
A, B, C, D, E
b)
B, C, D, E, A
c)
E, D, A, B, C
d)
C, B, A, D, E
17.
Which layer is the oldest and youngest?
a)
C and B
b)
C and E
c)
D and E
d)
A and B
18.
Paleontologists infer that the earth is approximately how many years old?
a)
4.5 million years
b)
450 million years
c)
450 billion years
d)
4.5 billion years
19.
What is a fossil?
a)
any dead organism
b)
the preserved remains or traces of an organism
c)
a perfect copy of a rock
d)
an unusual type of rock
20.
How are fossils created?
a)
Traces of organisms get turned into stone.
b)
Dead organisms are quickly buried for millions of years.
c)
Animals get trapped.
d)
All of the above
21.
Coal often forms where once there was swamps. What characteristic of swamps is important to the formation of coal?
a)
High Temperature
b)
Abundant Plant Life
c)
Frequent Rains
d)
Reptile Predators
22.
What environment would give you a rock layer of limestone?
a)
Desert
b)
Forest
c)
Ocean
d)
Swamp
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