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WorksheetsFossils and Geologic Time
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
How do most fossils form?
a)
A living thing dies and is buried under sediment
b)
The sediment is compressed and compacted
c)
They are formed in sedimentary rock
d)
All of these answers
2.
What is it called when the organic matter that makes up a deposited organism decomposes and leaves a cavity?
a)
cast
b)
trace
c)
petrified
d)
mold
3.
What is it called when water that contains a lot of minerals enters the pores of an object. Over time, the water evaporates leaving behind mineral crystals in the shape of the object.
a)
A petrified fossil
b)
A cast fossil
c)
A mold fossil
d)
A trace fossil
4.
What is a trail, track or burrow left behind by an animal that later fossilized?
a)
A trace fossil
b)
A carbon film
c)
A petrified fossil
d)
An extrusion
5.
What is a fossil that is useful for dating and correlating the strata in which it is found?
a)
a petrified fossil
b)
a trace fossil
c)
a cast fossil
d)
an index fossil
6.
What is the Law of Superposition?
a)
The oldest rocks are at the top of the sequence and the youngest are at the bottom
b)
The rocks at the bottom of the sequence must be super strong to support those above
c)
The youngest rocks are at the top of the sequence and the oldest are at the bottom
d)
The forcing of molten rock into an earlier formation
7.
What things can fossils reveal about Earth?
a)
How life has changed over time
b)
All of these answers
c)
How Earth's climate has changed over time
d)
How Earth's features have changed over time
8.
What is relative age?
a)
The geologic age of a fossil, rock or geologic feature defined relative to other fossils, rocks or features
b)
The geologic age of a fossil based on when the relatives of that fossil died
c)
The geologic age of a fossil, or geologic event expressed in units of time
d)
How old your mom is
9.
What is a rock mass formed by molten rock being forced into an earlier formation of rock layers?
a)
Extrusion
b)
Intrusion
c)
Fault
d)
Supposition
10.
This palm tree fossil was found in Alaska. What can you conclude?
a)
Alaska used to be under water
b)
Alaska once had a much warmer climate
c)
Alaska was once an island
d)
This fossil washed up on the Alaskan shore
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