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Earth's Past!
Earth's Past!
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6th grade Earth science on Earth's past
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Is a fossil copy of an organism made when a mold of the organism is filled with sediment
cast
fossil
mold
trace film
2
Fossils can tell us about an organism and what else?
what Earth was like in the past
the future
it's environment
Red and Orange
3
The fossil below is of a species that existed on Earth for a short length of time+ was abundant
index fossil
rare fossil
trace fossil
common fossil
4
A surface where rock has eroded away, producing a break or gap in the rock record
true
unconformity
correlation
false
5
Idea that conditions and organisms on Earth change in quick, violent events.
antiestablishmentarianism
eriksenism
catastrophism
uniformitarianism
6
This is the idea that in undisturbed rock layers, the oldest is on the bottom
subduction
superposition
layers
inclusion
7
This fossil shows a fish eating another fish and is an example of this kind of fossil
index fossil
trace fossil
action fossil
cast
8
Evidence of the activity of an organism is called
a mold
a cast
a trace fossil
a fossil
9
What percent of all living organisms become fossils? Take a guess!
About 2%
About 5%
About 13%
Less than 0.1%
10
Which conditions aid in the formation of fossils?
soft parts and rapid burial
hard parts and rapid burial
hard parts and slow barial
soft parts and slow burial
11
Are the preserved remains or evidence of ancient living things.
casts
Fossils
paleontologists
molds
12
Molds or casts will show what part of an organism?
the vital organs
the soft tissues
the exterior
the skeletal structure
13
How many years ago did Earth form?
46 billion years ago
46 million years ago
4.6 billion years ago
4.6 million years ago
14
What is the name of the era we are currently in?
triassic period
cenozoic era
paleozoic era
jurassic period
15
Scientists who study fossils are called
Jurassic Park Rangers
uniformitarianists
paleontologists
King of Bones
16
True or False: Fossils can be microscopic in size!
That's way too small
What microscopic?
True
False
17
True or False: It is pretty easy for a fossil to form and does not require certain conditions
True
It's suppose to be a fossil of a fish
False
>(///):>
18
Geologic processes that occur today are similar to those that have occurred in the past states
carbon film
trace fossils
uniformitarianism
history
19
In geology, relative age refers to
your grandparent's age
that oldest rock layers are on the bottom
a piece of an older rock becoming part of a new rock
The age of rocks compared to other rocks nearby
20
If an organism completely dissolves in sedimentary rock, it can leave an impression called
mold
cast
carbon film
fossil
