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Flip Charts
Fossils
Earth Science - Middle School
❮
1
/
2
❯
trace
fossil
carbon
film
petrified
wood
brachiopod
mold
insects
in
amber
Types
of
Fossils
There
are
a
number
of
ways
that
fossils
form.
Fossils
found
in
limestone
are
usually
formed
by
a
process
called
cast
and
mold.
Petrified
wood
is
formed
by
a
process
called
petrification.
The
original
wood
fibers
are
slowly
and
completely
replaced
by
mineral
material,
usually
quartz
(agate).
Plant
leaves
and
stems
have
been
preserved
by
a
process
called
carbonization.
During
this
process
the
leaves
and
stems
deteriorate
but
leave
a
film
of
carbon
which
preserves
their
form.
Flies,
dragonflies
and
other
insects
have
been
preserved
in
amber.
Amber
is
hardened
tree
sap.
Trace
fossils,
such
as
a
preserved
footprint,
provide
evidence
of
the
activities
and
body
characteristics
of
an
ancient
organism.
wooly
mammoth
saber
tooth
tiger
giant
sloth
How
a
Fossil
Forms
Fossils
and
Past
Environments
Fossils
reveal
information
about
past
ecosystems,
the
variety
of
life
forms
in
those
ecosystems,
the
relationships
of
the
organisms
and
more.
Scientists
who
specialize
in
the
fossilized
remains
of
ancient
life
forms
are
called
paleontologists.
Collections
of
fossils
from
a
particular
rock
formation
give
information
about
the
environment
in
which
the
organisms
lived.
Fossils
can
help
scientists
understand
ancient
environmental
factors
such
as
temperature.
Quite
often
fossils
are
strong
evidence
supporting
the
theory
of
plate
tectonics
and
continental
drift.
What
Is
a
Fossil?
A
fossil
is
any
naturally
preserved
evidence
of
life
which
existed
long
ago.
Fossils
include
pieces
or
the
entire
remains
of
organisms
called
body
fossils.
Fossils
also
include
traces
and
marks
left
by
organisms,
such
as
footprints,
called
trace
fossils.
Most
fossils
form
from
organisms
that
once
lived
near
bodies
of
water,
such
as
ponds,
lakes
and
shallow
seas.
Phase
1
–
Death
After
an
organism
dies,
it
slowly
sinks
to
the
sea
floor.
Phase
2
–
Deposition
The
skeleton
gradually
becomes
covered
with
silt
and
sand
(sediment).
Phase
3
–
Petrification
Over
millions
of
years
the
original
skeleton
becomes
petrified
(rock-like).
Phase
4
–
Erosion
Millions
of
years
later,
the
movement
of
the
Earth’s
plates
forces
the
seabed
to
move
above
the
surface.
This
layer
is
worn
away
by
wind
and
rain,
exposing
the
fossil.
Some
photos
courtesy
of
USGS
and
NPS.
© Copyright NewPath Learning. All Rights Reserved. 94-4103
www.newpathlearning.com
Fossils
Types
of
Fossils
Describe
the
following:
Cast
and
mold:
____________________________________________________________
_________________________________________________________________________
Petrification:
_____________________________________________________________
_________________________________________________________________________
Carbonization:
____________________________________________________________
_________________________________________________________________________
Amber:
__________________________________________________________________
_________________________________________________________________________
Trace
fossils:
______________________________________________________________
_________________________________________________________________________
wooly
mammoth
saber
tooth
tiger
giant
sloth
How
a
Fossil
Forms
Fossils
and
Past
Environments
Describe
the
information
that
can
be
revealed
about
past
environments
from
fossils.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
What
Is
a
Fossil?
_____________________________________
_____________________________________
_____________________________________
_____________________________________
Most
fossils
form
from
organisms
that
once
lived
near
bodies
of
water,
such
as
ponds,
lakes
and
shallow
seas.
Phase
1
–
_____________________
Describe:
__________________________
___________________________________
Phase
3
–
_____________________
Describe:
__________________________
___________________________________
Phase
4
–
_____________________
Describe:
__________________________
___________________________________
___________________________________
Key
Vocabulary
Terms
•
amber
•
body
fossil
•
carbon
film
•
carbonization
•
cast
and
mold
•
deposition
•
erosion
•
fossil
•
paleontologists
•
petrification
•
trace
fossil
Phase
2
–
_____________________
Describe:
__________________________
___________________________________
© Copyright NewPath Learning. All Rights Reserved. 94-4103
www.newpathlearning.com
Fossils
Some
photos
courtesy
of
USGS
and
NPS.
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