s3o3o4 Earth’s History Flashcards
1
sedimentation
2
accumulation
3
layer
4
deposition
5
relative age
6
absolute age
7
law of superposition
8
intrusion
9
fault
10
law of crosscutting
relationships
11
unconformity
12
fold
13
uniformitarianism
14
index fossil
16
inference
17
evidence
19
paleontologist
22
recent
25
seismic wave
15
over turned fold
18
paleontology
20
fossil
21
paleoenvironment
23
volcano
24
earthquake
26
mechanical energy
27
potential mechanical
energy
28
heat energy
29
magma chamber
30
plate tectonics
31
lithosphere
32
asthenosphere
33
convection
current/cell
34
convergent plate
boundary
35
transverse plate
boundary
36
divergent plate
boundary
37
uplift
38
gradual
39
erosion
41
42
40
rate
43
44
46
47
1
2
The process of
The slow piling up
small pieces of
of sediments into a
rocks settling down
layer.
and being left
behind in layers.
4
A synonym for
sedimentation.
7
States the oldest
rock layer is at the
bottom if the rocks
have not been
disturbed.
5
The age of a rock
compared to other
rocks.
8
A mass of igneous
that cooled inside
the earth.
45
48
3
A distinct package
of sediments with
similar properties.
6
The number of
years since a rock
formed.
9
A break in the
earth’s crust.
11
10
A surface that
States that anything
represents lots of
12
that cuts across or
erosion and
A wrinkle, twist, or
into something is
missing time. Older bend in rock layers.
younger than the
than the layers on
thing it cuts across
top of it.
or into.
13
States that
processes that
happen today
probably happened
in the past.
16
A conclusion based
on evidence.
19
A scientist that
studies ancient
things.
22
The opposite of
long ago.
14
Fossils that are
widely distributed
around the world
and are useful in
determining the
relative age of rock
layers.
15
A bend in layers
that shows older
rocks on top of
younger rocks.
Formed from
extreme pressure.
17
Factual data that
cannot be argued.
18
The study of
ancient things.
20
Any evidence of a
once living
organism.
21
An ancient
environment.
23
A hill like structure
that has a crater at
the top where gas,
ash, and lava can
escape.
24
What is felt on the
surface of the Earth
after two stuck
plates release
stored energy.
25
The mechanical
wave released from
two tectonic plates
rupturing.
28
The amount of
thermal energy
stored in a
substance.
31
The hard,
outermost , rocky
layer of the Earth
26
Energy due to
motion.
29
A huge glob-like
mass of molten
rock inside the
earth.
32
The weak, ductile,
gooey layer that
plates ride on.
35
34
Two tectonic plates
Two tectonic plates
that slide past each
coming together
other
37
A process caused
38
by plate tectonics
A synonym of
that create
slowly
mountains.
41
40
Layers of
How fast or slow
sedimentary rocks
something
should be
happens.
horizontal unless
something has
happened to them
27
Mechanical energy
that is stored and
can be released.
30
The idea that huge
plates in the
lithosphere float
around on the
asthenosphere.
33
The cyclic rising
and falling of
molted rock that
makes tectonic
plates move.
36
Two plates that
move away from
each other.
39
The process of
removing
weathered material
42