Blank Jeopardy

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Agents of
What do fossils show?
How can rock layers change?
How do fossils form?
How old are rock layers?
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This agent of erosion can create moraines, kettle
lakes, U-shaped valleys, etc.
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GLACIERS
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How are sea stacks, wave-cut cliffs, and sea
caves formed?
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Through waves impact and abrasion
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Waterfalls form when water flows over _______
rock and further downstream, there is _________
rock.
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HARD, SOFT
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When wind loses energy, it can create deposits of
sediment including
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SAND DUNES AND LOESS DEPOSITS
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The agents of erosion can cause damage to
farmers fields. When farmers plant different
crops each season, they are using the
_____________ method.
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CROP ROTATION
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I study fossils.
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PALEONTOLOGISTS
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The ________ __________ provides evidence about
the history and past environments on Earth.
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FOSSIL RECORD
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By looking at fossils within certain areas,
scientists can determine the __________ during
that time period.
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ENVIRONMENT
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I got trapped in sticky tar. A scientist
recently found me and I am an example of a
_______________.
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PRESERVED REMAIN
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We found evidence of past activities of an
ancient organism. We found a ___________.
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TRACE FOSSIL
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Gaps in the geologic period are ___________.
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Unconformities
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Many rock layers over the years have been lost
due to what process?
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EROSION
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When forces inside Earth push rock layers toward
each other, this can happen.
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FOLDING
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True or False. When the layers of Earth are
uplifted and tilted, deposition cannot happen
again.
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FALSE. Deposition can happen again.
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There are two ways that rock layers can change.
They are _________.
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• FOLDING
• 2) UNCONFORMITIES

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Most fossils form near ____________, lakes, or
shallow seas.
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SWAMPS
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The hard parts of an organism usually remain
after it dies. The hard parts can include
_____________.
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BONES TEETH WOODY STEMS SHELLS SEEDS
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A fossil forms when _______.
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An organism dies and is buried by sediment. The
sediment slowly hardens into rock.
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Daily DoubleAn extremely thin coating on rock
that can provide fine details about the organism.
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CARBON FILM
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A cast forms when water deposits ______ and
________ into a mold.
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MINERALS, SEDIMENT
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The age of the rock compared to the ages of other
rocks.
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RELATIVE AGE
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Clue The bottom sedimentary rock layer is older
than the layers above it.
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THE LAW OF SUPERPOSITION
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Extrusions are always __________ than the rocks
below it.
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YOUNGER
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DAILY DOUBLE TRUE OR FALSE. If FALSE, correct
the underlined word. Intrusions are lava that
may push into bodies of rock below the surface.
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FALSE MAGMA
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Index fossils are used by scientists to determine
the ____________ ________ of the rock layer in
which they occur.
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RELATIVE AGE