Robie knows rocks and mineralsl

Do you Dare Challenge
The Great, All Knowing
Robot
Robie!


Robie
Knows
More
Than You!


S6E5. Students will investigate the
scientific view of how the earth’s
surface is formed.
Elements:
b. Investigate the contribution of
minerals to rock composition.
c. Classify rocks by their process of
formation.
d. Describe processes that change
rocks and the surface of the earth.


Rock Cycle Song
(Sing to the tune of "Row, Row, Row Your Boat")
SEDIMENTARY rock
Has been formed in layers
Often found near water sources
With fossils from decayers
Then there's IGNEOUS rock

Here since Earth was born
Molten Lava, cooled and hardened
That's how it is formed
These two types of rocks
Can also be transformed
With pressure, heat and chemicals
METAMORPHIC they'll become.


Which of the four rock samples is
most likely a sedimentary rock?
Which Answer Below is Correct? - Robie Knows!
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many very small
grains of sand in
Robie Says – Great Job!
different layers
large crystal shape that is almost
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clear, has smooth sides
solid black color,
looks like smooth
Robie Says – Try Again
glass with sharp edges
Robieof
Says
– Try Again
rough surface full

holes,
lightweight

Next


Which kind of rock is formed by the processes
shown?

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Robie Says
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Basaltic
Robie
Says – Great Job!
Sedimentary
Robie Says
– Try Again
Igneous
Robie
Says – Try Again
Metamorphic


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Robieless
Says than
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5
Robie
Says –than
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more
8
– Great
Job!than 6
less Robie
thanSays
8, but
more
– Tryless
Again than 6
moreRobie
thanSays
4, but

An unknown mineral can be scratched by topaz, but not
by feldspar. According to the scale, which of the above
best describes the hardness of the unknown mineral?


When a volcano erupts, lava flows out from

the top. What type of rock is formed as the
lave cools?
Which Answer Below is Correct? - Robie Knows!
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Robie igneous
Says – Great Job!
Robie Says
– Try Again
magma
Robie
Says – Try Again
sedimentary
Robie
Says – Try Again
metamorphic

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The picture below shows a mineral sample
being tested with a metal file. Which
property of a mineral is most likely tested
in this way?
Which Answer Below is Correct? - Robie Knows!
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color
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Says – Great Job!
hardness
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Says – Try Again
luster
Robie
Says – Try Again
streak

Next


Which of the following areas is most likely
to form metamorphic rocks such as gneiss
and schist?
Which Answer Below is Correct? - Robie Knows!
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sea– floor
Says – Try desert
Again
aRobie
windblown
Robie
Says –underground
Great Job!

a site
deep
Robie
Says – Try
a site
covered
byAgain
a glacier

Next


The picture shows a limestone
building block. Which of these best
shows that the limestone was
formed from ocean sediments?

Back

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Says –of
Trythe
Again
The Robie
position
fossils
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Says – Try
The
number
ofAgain

fossils
Robie
Says –of
Great
Job!
The type
fossils
Robie
Says
Try Again
The
size
of– the
fossils

Next


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The picture shows what kind of rock layers
in the Grand Canyon?

Which Answer Below is Correct? - Robie Knows!
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Next

Robie extrusive
Says – Try Again
Robie Says

– Try Again
igneous
Robie
Says – Try Again
metamorphic
Robie
Says – Great Job!
sedimentary


The streak test that is used to identify
minerals involves studying the –
Which Answer Below is Correct? - Robie Knows!
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Says –with
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mineral’s Robie
crystals
a microscope
Robie Says –color
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heated mineral’s
as it cools

Appearance
of the mineral under

Robie Says – Try Again
fluorescent light
color ofRobie
the Says
powdered
form of the
– Great Job!
mineral


Lava cools to form –

Which Answer Below is Correct? - Robie Knows!
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Says – Great
Job!
Igneous
rock
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Says – Try Again
Sedimentary
rock
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Metamorphic
rock
Robie
Says – Try Again
Sandstone

Next


What do all these mineral samples have in
common?
Which Answer Below is Correct? - Robie Knows!
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Robie Says
– Try Again
luster
Robie Says
– Great Job!
color
Robiehardness
Says – Try Again
Robie Says
– Try Again
streak

Next


Why are most fossils found in sedimentary
rocks?
Which Answer Below is Correct? - Robie Knows!
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Robie rocks
Says – Try
Again
Sedimentary
are
not very old.

Organisms live only in areas with
Robie Says – Try Again
sedimentary
rock.
Robie Says
Great
Job!
Organisms
can– be
preserved
in
sedimentary rock.

Sedimentary rocks are found only at
Robie Says – Try Again
the surface of the ground.


A group of students found metamorphic
rocks near a campsite. The presence of

metamorphic rocks is most likely evidence
of
Which Answer Below is Correct? - Robie Knows!
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Says – Try
Again
dinosaur
activity
Robie Says deposition
– Try Again
sediment
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Says – Try sand
Again
wind-borne
Robie
Sayspressure
– Great Job!
high

Next


Which of the following processes will
change a sedimentary rock into an
igneous rock?
Which Answer Below is Correct? - Robie Knows!
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Says –
Great Job!
Melting
crystallization
Robie Says
Again
Erosion
and– Try
deposition
Robie Saysand
– Try deposition
Again
Deformation
Robie Says
– Try
Again
Faulting
and
fracturing

Next


The rock shown is composed
primarily of large crystals that
were formed by –
Which Answer Below is Correct? - Robie Knows!
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Robie
Says – magma
Great Job!
cooling
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Again
compacting
Robieweathering
Says – Try Again
Robie Says
– Try Again
faulting

Next


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Says
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Below
species
W
Robie
Says

– Greatlayer
Job!
In the
lowest
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Try Again
Above
the– ash
layer
Robie
– Try Again
In Says
sandstone

These cross sections show the location of 3 fossilized
Species (W, X, and Y) found in rock layers at two nearby
sites. Species X is probably the oldest because it is found –


The diagram shows a test for which
mineral property?
Which Answer Below is Correct? - Robie Knows!
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Robie Says
– Great Job!
hardness
Robie cleavage
Says – Try Again
Robie Says

– Try Again
luster
Robie Says
– Try Again
streak

Next


A student made observations of four rock
samples. Which of these observations most
likely describes a sedimentary rock?
Which Answer Below is Correct? - Robie Knows!
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Robie
Saysand
– Trydark
Again crystals
bands of
light

pink, gray, and white crystals grown
Robie Says
– Try Again
together
made up

of Says
one–huge,
pale pink
Robie
Try Again
crystal
Made up
of layers of sand grains
Robie Says – Great Job!
cemented together


Authored by
Jeff Ertzberger - 2004
University of North Carolina at Wilmington
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