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Review Activity (Rock Cycle)

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Abhinav Ballakur

on 24 January 2013

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Transcript of Review Activity (Rock Cycle)

It's the bits and pieces
that broke off from the rock
caused from weathering. Sediment down into smaller pieces. The rocks are eroded and get broken Weathering and Erosion Lithification Rock Cycle Brett Podell, Abhinav Ballakur, and Dylan Sanith's Review Activity Science Rock Types Review Activity Earthquakes Vocab Igneous Rock- Rock that forms after it cools from intense
heat such as magma.
Mafic vs. Felsic
Intrusive Cooling- Cools inside Earth, but will take a long time.
Extrusive Cooling- Cools on top of crust and takes a shorter amount of time to cool
Sedimentary-Formed by deposition of sediments
Clastic-Pieces of sediment that aren't as tightly compressed such as sandstone.
Organic-sediment that has layers, but is naturally found not.
Metamorphic-When a rock under goes intense heat and cooles.
Contact Metaorphism- When it under goes change due to temperature.
Regional Metamorphism- changed by a wide range of heat on the crust Igneous Rock Sedimentary Rock Metamorphic Rock Begins as magma
Can form when there is enough pressure
Temperature is hot enough
When rock changes it composition.
All igneous rocks cool fast
The longer it takes for a rock to cool
the more crystals it forms.
Found in and out of Earth because of
intrusive and extrusive EARTHQUAKES THE INFO Rock Types Friction, Stress, Deformation Rock Cycle Friction Transform Boundary Stress When two objects slide past each other it causes a resistance called friction. Weathering are what start sedimentary rock
It breaks down rocks into sediments.
Deposition occurs and lithification follows it.
After lithification you have sedimentary rock.
Clastic forms with bits of rock
Chemical forms when dissolved minerals and
water combine When something is being stretched it is causing stress. For example, Mr. Brogan's demo with the rubber band, cinder block, and wood plank. this is called elastic rebound Deformation Deformation is when something is so deformed that is about to "snap" to is original position Deposition The collected sediment is
gathered and compressed
to form one mushed up
rock. The depositing of rocks away from
it's original. Metamorphic rock changes with its surroundings
One way a it can go under ground is by melting with the nearby
Contact Metamorphism occurs near igneous intrusions that are near the top of the crust.
Regional Metamorphism is when pressure builds up in a rock that was
Buried under other rock formations.
Or when large pieces of the Earth collide. Plate Boundaries Earthquakes occur mostly at transform plate boundaries Sedimentary rock Transform boundaries create stress and deformation= elastic rebound= earthquake Travel Surface waves Primary waves Secondary waves The broken bits that were
compressed to form sedimentary
rock. (examples : limestone, sandstone,
conglomerate) The rock cycle doesn't have a specific order it goes in because it can go in different pathways Seismic waves Metamorphism/ Metamorphic rock Arrive first, the fastest, move in a compressional way, like an accordion This is where intense heat and pressure squeeze the sedimentary rock to form Metamorphic rock. Melting The rock then melts from the contact
with magma. Travel slower, arrive second, move side to side like a snake Travel slowest, move side to side or up and down and they are destructive Cooling extrusive igneous rock- the magma from
an erupted volcano quickly cools on the on the earth's surface intrusive igneous rock - the magma that is slowly cooled inside the volcano hardens into igneous rock Crystallization The melted magma hardens and
becomes shiny and has a glow to
form igneous rock. Igneous rock Measurement Focus, epicenter The solidified and cooled
magma forms igneous rock.
(examples of rocks: basalt,
obsidian, and granite) Richter scale, seismogram, nomogram Magnitude triangulation Vocab Focus- the point of the earthquake
Epicenter- the point above the earthquake Magnitude- the size and strength of an earthquake Magma - the hot liquid that forms when rock partially or completely melts A process using the tools of finding the magnitude of the earthquake and distance of the earthquake, to determine where the earthquake was. Solidification - the hardening of the magma Igneous - produced under the conditions of intense heat Erosion - something in nature (chemical rain, heat, ice, animals, people, etc.) that causes change to rock and form into sediment deposition - to remove from Waves are measured using a seismogram. the tracing made by these seismogram is called a seismograph. The 'Zig Zags' are the amplitude measurements. You can compare seismographs to determining which was closer to the EQ. uplift - to raise up limestone The Richter scale is another way to compare. you take the amplitude and it is given a number and you plot the point on the graph. This step is repeated except with the distance. The point where the lines cross is the magnitude pathway a nonogram is another way to compare earthquakes using points on a graph. EARTHQUAKES
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