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WorksheetsFossils
Total questions: 32
Worksheet time: 1hrs 28mins
Name
Class
Date
1.
Preserved remains or traces of living things?
a)
fossils
b)
organisms
c)
extinct
d)
rocks
2.
Most fossils form when living things?
a)
die
b)
get buried
c)
rot
d)
die/buried by sediment
3.
Type of rock that is made of hardened sediment?
a)
metamorphic rock
b)
igneous rock
c)
sedimentary rock
d)
limestone
4.
When an organism dies, its soft parts _________ quickly or are eaten by animals.
a)
fade away
b)
disappear
c)
get washed away
d)
decay
5.
Generally, only hard parts become fossils.
These hard parts include........................
These hard parts include........................
a)
fingernails
b)
bones, shells, teeth, seeds & woody stems
c)
soft tissue
d)
skin
6.
Petrified fossils means?
a)
afraid
b)
scared
c)
spooky
d)
turning into stone
7.
The most common type of fossil?
a)
preserved remains
b)
molds & casts
c)
trace fossils
d)
carbon films
8.
A mold is?
a)
exact copy
b)
like a cast
c)
empty space
d)
hollow area
9.
Trace fossils are?
a)
foot prints
b)
evidence of activities of ancient organisms
c)
traces of animals
d)
traces of rocks
10.
Remains can be preserved by?
a)
changing over time
b)
staying the same
c)
tar, amber, ice
d)
freezing only
11.
This type of fossil forms when sediments bury an organism and then sediments change into rock; the organism decays leaving a cavity in the shape of the organism.
a)
mold
b)
cast
c)
petrified
d)
trace
12.
This type of fossil forms when a mold is filled with sand or mud that hardens into the shape of the organism.
a)
mold
b)
cast
c)
trace
d)
preserved
13.
This type of fossil forms when minerals soak into the buried remains, replacing the remains, and changing them into rock.
a)
mold
b)
cast
c)
petrified
d)
preserved
14.
This type of fossil forms when organisms or parts, like leaves, stems, flowers, fish, are pressed between layers of soft mud or clay that hardens squeezing almost all the decaying organism away leaving the carbon imprint in the rock.
a)
trace
b)
preserved or original remains
c)
carbonized or carbon film
d)
permineralized or petrified
15.
This type of fossil forms when entire organisms or parts of organisms are prevented from decaying by being trapped in rock, ice, tar, or amber.
a)
trace
b)
preserved or original remains
c)
carbonized or carbon film
d)
index
16.
This type of fossil forms when the mud or sand hardens to stone where a footprint, trail, or burrow of an organism was left behind.
a)
carbonized or carbon film
b)
trace
c)
permineralized or petrified
d)
mold
17.
Trees and sometimes marine animals are sometimes fossilized this way
a)
permineralized or petrified
b)
trace
c)
carbonized or carbon film
d)
preserved or original remains
18.
A woolly mammoth or ancient hominid might be found in frozen tundra such as the arctic circle. This type of fossil would be
a)
preserved or original remains
b)
permineralized or petrified
c)
carbonized or carbon film
d)
trace
19.
Remains of animals can be preserved by preventing them from decaying. What substances might help preserve parts or a whole animal
a)
tar, amber, ice
b)
ice, carbonization, trace
c)
rock, amber, ice
d)
tar, carbonization, rock
20.
Hardened tree sap is called
a)
diamonds
b)
amber
c)
tar
d)
syrup
21.
This type of fossil is formed from dung or waste materials and allows scientists to infer the feeding habits of ancient animals.
a)
gastroliths
b)
coprolites
c)
halites
d)
chemo-synthesis
22.
Most fossils are found in sedimentary rock and not igneous or metamorphic because
a)
fossils form at the surface where plants and animals live.
b)
the processes that create igneous and metamorphic rocks, intense heat and pressure would destroy the fossils.
c)
animals and plants don't live near volcanoes
23.
Which type of fossil can tell you about the BEHAVIOR of ancient organisms? (ex. how they hunted, what kind of home they created, etc.)
a)
mold fossil
b)
cast fossil
c)
trace fossil
d)
preserved or original remains
24.
This fossil shows "burrows" made by an ancient worm species. What type of fossil is most likely shown in this picture?
a)
Trace Fossil
b)
Cast Fossil
c)
Mold Fossil
d)
Preserved or original remains
25.
Which animal part would MOST LIKELY form a fossil?
a)
fur
b)
lung
c)
bone
d)
muscle
26.
Most fossils are found in __________ rock layers
a)
metamorphic
b)
sedimentary
c)
igneous
27.
Which type of fossil is pictured?
a)
petrified fossil
b)
preserved remains
c)
mold
d)
cast
28.
That fossil looks like a piece of a tree, but it's actually made of rock! What type of fossil is it?
a)
preserved remains
b)
petrified fossil
c)
carbon film
d)
trace fossil
29.
What type of fossil is pictured?
a)
cast
b)
petrified fossil
c)
preserved remains
d)
trace fossil
30.
Which is the most difficult to fossilize?
a)
fish
b)
mammals
c)
plants
d)
snails
31.
Which is NOT a factor that affects fossilization?
a)
age of the organism
b)
hard or soft body parts
c)
predators destroying the body
d)
body decal due to natural elements
32.
Fish fossils have been found in some places where there is no longer any water. Sometimes, they are found on tops of mountains. What is the BEST explanation for why the fish fossils were found in these places with no water?
a)
Fish used to live on land.
b)
These places were once under water.
c)
The fossils caused the water to dry up.
d)
These places had fish that climbed the mountains.
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