WorksheetsFOSS Earth History Investigations 3 & 4
Total questions: 32
Worksheet time: 16mins
Sediments deposited by water usually form in flat, horizontal layers.
True
False
What processes turn sediments into hard rock?
compaction and cementation
absorption
deposition
Rock layers lower in the ground are younger in age than the layers above them.
True
False
What substance helps preserve organisms into true-form fossils.
amber
sand
silt
clay
What substance helps preserve organisms into true-form fossils.
silt
calcite
clay
tar
What substance helps preserve organisms into true-form fossils.
calcium carbonate
ice
sand
clay
According to the process of uniformitariansm, if geologists observe a process shaping Earth today, they can assume
the same process shaped Earth in the past
a different process will shape Earth in the future
a different process shaped Earth in the past
all of the choices
What type of environment is shale formed in?
ocean
desert
swamp
snowy mountain
What type of environment is where limestone formed?
swamp
ocean
desert
tundra
What type of environment is where sandstone formed?
glacier
swamp
ocean
desert
Which sedimentary rock is formed from animal skeleton, shells and calcite?
sandstone
limestone
shale
all the choices
Fossils can be found in different types of sedimentary rock due to sediments quickly covering the organism.
True
False
Why are there gaps in the fossil record?
There are fossils geologists haven't found yet
Many organisms don't have hard body parts that can be fossilized
Geological events destroyed fossils
all the choices
The most important use for an index fossil is to help geologists
determine the environment the rock was formed in
determine if the rock contains calcite
identify the age of the rock
identify the organism that is fossilized
Earth's geological time is categorized into eras and periods which shows geologists
how organisms evolved over time
the thickness of rock layers
the number of rock layers in the Grand Canyon
the types of sedimentary rock in the Grand Canyon
Fossils found in Cambrian rocks, but not in Triassic rocks mean that the organism
didn't have any deaths during Triassic period
fossils didn't form during Triassic period
went extinct before the Triassic period
all the choices
Which of the following must be true for fossils to be considered index fossils?
Fossil must show that organism lived for a long period of time in one location
Fossil must show that organism lived for short period of time all over the world
Fossil must be preserved in amber
Fossil must be preserved in sanstone
Which fossils are the oldest?
top layer
middle layer
bottom layer
This fish fossil found in a desert means that
water once covered the area where the fossil formed
the fish must have been carried by the wind in order to fossilize
the fish has a lot of predators
the fish didn't swim together with other fish in a shoal
What type of fossil is this?
mold
cast
trace
preserved remain (true-form)
What type of fossil is this?
mold
trace
cast
preserved remains (true-form)
What would most likely become a fossil?
tooth
leaf
animal skin
all the choice
What type of fossil is the hollowed out imprint of an organism in rock?
mold
cast
trace
preserved remains (true-form)
What type of fossil is made when an imprint of the organism gets filled with sediments, hardens, and makes a copy of the organism?
mold
cast
trace
preserved remains (true-form)
Which layer of rock formed first?
layer 1
layer 2
layer 3
layer 4
Scientists can reconstruct the history of life on Earth by determining the age of fossils.
True
False
We live in the _____ Era which means "recent animal life."
Mesozoic
Paleozoic
Precambrian
Cenozoic
What era means "middle animal life"
Paleozoic
Mesozoic
Cenozoic
Precambrian
What era means "ancient animal life"
Paleozoic
Mesozoic
Cenozoic
Precambrian
What time period do geologists know very little about?
Precambrian
Paleozoic
Mesozoic
Cenozoi
What does the image represent?
Earth's record of volcanic eruptions
Earth's fossil record
index fossils
Earth's geologic time
There has only been one mass extinction throughout Earth's geologic events.
True
False
