Transcript Precambrian_Earth_Jeopardy

FINAL JEOPARDY
Jeopardy
Geological
time scale
Age Dating
Early Earth
Formations
Early Life
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BACK
100 Question-1
Name of the largest time
unit
Eon
BACK
100 Question-2
This way enables
scientists to determine
the numerical age of
rocks and other
objects
Absolute Age
Dating
BACK
100 Question-3
The Precambrian
eon made up what
90%
percentage of
Earth’s history
BACK
100 Question-4
Ancient
North
Laurentia is
America
known as
BACK
100 Question-5
All
cells
require
this
RNA & DNA
to reproduce
BACK
200 Question-1
Smallest division of
geological time scale
Epochs
BACK
200 Question-2
When scientists date
Radiometric
an object using
radioactive
isotopes,
dating
they are using a
method called
BACK
200 Question-3
With the effects of heating,
this happened which lead
to the formation of the
atmosphere and oceans
Cooling
BACK
200 Question-4
Earth’s first
supercontinent is
known as
Rodinia
BACK
200 Question-5
How does the bottle
noseSignature
dolphin identify
themselves
Whistles
BACK
300 Question-1
Organisms that do
not contain a nuclei
Prokaryotes
are called
BACK
300 Question-2
Who is the first
scientistHutton
to think
James
Earth was very old
BACK
300 Question-3
This mineral is found
in metamorphosed
Zircon
Precambrian rocks in
Australia
BACK
300 Question-4
The oldest and
mostCraton
stable part of
a continent is
called a
BACK
300 Question-5
Miller & Urey were the first
to show that this and other
molecules were necessary
for the origin of life
Amino acids
BACK
400 Question-1
Periods
Usually tens of millions of
years in duration
BACK
400 Question-2
Bands of alternating
light
and
dark
Varves
colored sediments of
sand, clay and silt
are called
BACK
400 Question-3
Gravitational contraction,
Radioactivity, and Asteroid
and Meteorite
bombardment are all
sources of this
Heat
BACK
400 Question-4
As Early crust formed
and cooled. The crust
Earth’s
Oceans
was similar to basaltic
crust which underlies
this part of Earth
BACK
400 Question-5
Organisms whose
Eukaryotes
cells
contain DNA &
RNA in nuclei are
called
BACK
500 Question-1
During which Eon did the
simplest life forms begin
Archean
BACK
500 Question-2
The geological
processes occurring
Uniformitarianism
today have been
occurring since Earth
formed are called
BACK
500 Question-3
Name 1 of 3 eons
Hadean,
Archean,
that
was part
of the
Proterozic eon
Precambrian
BACK
500 Question-4
Most cratons are burried
beneath sedimentary
rocks. In some places
erosion has exposed these
rocks. These rocks are
known as
Precambrian
Shields
BACK
500 Question-5
What elements did
Hydrogen,
Miller & Urey use to
Methane,
and
test the primordial
soup
hypothesis
Ammonia
`
As volcanoes erupted
during this era. Small
fragments of granite
known as microcontinents
continued to form.
During which era did this
occur
Archean