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Chapter 10 Clue's to Earth's Past

Total questions: 35

Worksheet time: 12mins

Name
Class
Date
1.
What is an example of an index fossil?
a)
t-rex fossils
b)
insect in amber
c)
trilobites or ammonites
d)
woolly mammoth fossils
2.

In which kind of rock do we usually find a fossil?

a)

sedimentary rock

b)

metamorphic rock

c)

igneous rock

3.

If you know the age of a rock, you know the relative age of the _________________ that was found inside.

a)

sticky tar

b)

fossil

c)

amber

d)

ice

4.

Which of the following would be an example of absolute age?

a)

Fossil A is older than Fossil B

b)

Fossil A and Fossil B are the same age

c)

Fossil A is 10 million years old

5.
In what way can scientists determine the ages of fossils?
a)
relative dating
b)
radioactive dating
c)
law of superposition
d)
All of the above
6.
Which layer formed first?
a)
Rock Layer W
b)
Rock Layer X
c)
Rock Layer Y
d)
Rock Layer Z
7.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
8.

Which of the following can be learned by using the fossil record?

a)

When organisms changed or evolved

b)

when organisms appeared on Earth

c)

when organisms became extinct

d)

All the above

9.
By determining the age of fossils, scientists can reconstruct the history of life on Earth
a)
True
b)
False
10.

If scientists found this fossil in a desert, what could they infer?

a)

what fish are like today

b)

that this fish lacked oxygen

c)

that water once covered the area where this fossil was found

11.
The millions of fossils that scientists have collected are called
a)
The Geologic Time Scale
b)
The Origin of Species
c)
The Fossil Record
d)
A really neat fossil collection
12.
_______ are the preserved remains or traces of living things.
a)
bones
b)
fossils
c)
artifacts
d)
organic matter
13.
Fossils can provide evidence of how life has changed over time, how Earth's surface has changed, and clues about what past environments were like.
a)
True
b)
False
14.
Which parts of an organism are more likely to fossilize?
a)
the soft parts - skin, muscle
b)
the hard parts - bones, shells, stems
c)
all parts can become fossilized easily because the organism becomes buried by sediments
15.
A _______ is a hollow area in sediment in the shape of an organism or part of an organism.
a)
mold
b)
cast
c)
petrified fossil
d)
trace fossil
16.
A _______ is a solid copy of the shape of an organism.
a)
mold
b)
cast 
c)
petrified fossil
d)
trace fossil
17.
These fossils provide evidence of the activities of ancient organisms.
a)
petrified fossils
b)
trace fossils
c)
molds
d)
amber
18.
A dinosaur track, a trail, and burrow are all examples of
a)
casts
b)
molds
c)
trace fossils
d)
preserved remains
19.
Becoming trapped in tar and amber, and freezing are other processes besides fossilization that organisms can be preserved.
a)
True
b)
False
20.
This is an example of a
a)
cast fossil
b)
mold fossil
c)
trace fossil
d)
carbon film
21.
Which of the following would NOT help an organism become fossilized?
a)
shell 
b)
skeleton 
c)
buried quickly with sediment 
d)
soft body parts 
22.
Fossil of thin layer of carbon atoms and molecules 
a)
original remains 
b)
carbon film
c)
trace fossil
23.
Fossils of species that existed for  short periods and were widespread 
a)
trace fossils 
b)
index fossils 
c)
original remains 
24.
Principle that Earth's processes occurring today are similar to those that occurred in the past 
a)
unconformities 
b)
uniformitariansim 
c)
superposition 
25.
Method by which order of events or age of rocks is determined by examining the position of rocks in a layer 
a)
relative dating
b)
absolute dating
c)
radiometric dating
26.

Most fossils form when living things die and are buried by _______________ that hardens into rock over time.

a)

sediment

b)

people

c)

cement

d)

ants

27.

An organism is ______________ if it no longer exits and will never live again on Earth.

a)

rare

b)

extinct

c)

plentiful

d)

missing

28.

What is an extremely thin coating of carbon on rock?

a)

sediment

b)

sap

c)

tar

d)

carbon film

29.

A ______________________ is a scientist who studies fossils.

a)

biologist

b)

chemist

c)

paleontologist

d)

astronomer

30.

Scientist study the ____________________ to learn about the history of life, past environments on Earth, and how different groups of organisms have changed over time.

a)

fossil record

b)

animal record

c)

historical record

d)

Earth record

31.

Which of the following substances is not able to preserve entire organisms?

a)

sticky tar

b)

water

c)

amber

d)

ice

32.

Which step in fossilization comes first?

a)

An organism dies and the soft part of it decay.

b)

Over time, layers build pressure that turn the layers to stone.

c)

Wind and water erosion expose the fossil to the surface.

d)

Minerals around the skeleton preserve the bones.

33.

ALL organisms become fossils when they die.

a)

True

b)

False

34.

Fossils are still be formed today.

a)

True

b)

False

35.

What a fossilized jawbone or tooth tell us about that animal?

a)

The animal's favorite food.

b)

When the animal lived.

c)

What the animal ate.

d)

What color was the animal.

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