Rock Cycle

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Rock Cycle!
Sedimentary rock
Igneous rock
Metamorphic rock

• By
• Alejandra
• Kaori
• Maya
• Santiago
• Yoo Hwa

www.csulb.edu
www.beg.utexas.edu
2
Kaori
Gems
Yoohwa
Santiago
Alejandra
HeatPressure
Maya
www.oum.ox.ac.uk/thezone/rocks/cycle/index.htm
3
What is a rock cycle?

• Is a process of making new rock

.
http//www.oum.ox.ac.uk/thezone/rocks/cycle/index.
htm
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What is Igneous rock?

• Rock made of cooled magma.
• Igneous is a Greek word means fire.
• Igneous is used to Mount Rushmore too!

image12.webshots.com/.../159382129oilPjy_fs.jpg
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What is sedimentary rock?

• Sedimentary rock is rock that has formed from
  sediment, like sand, mud, small pieces of rocks.
• Over long periods of time, these small pieces are
  squeezed under more layers of sediment that piles
  up on top of it.

library.thinkquest.org
6
What are metamorphic rocks?

• Rock caused by heat and pressure of sedimentary
  or igneous rocks

www.dkimages.com
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What is heat?

• To become hot.
• The heat can melt a rock.
• The center of the earth is heat

stevedilworth.com
8
What is pressure?

• Is the force that squeezes the big rock
• The pressure can make a new layer of the earth

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9
What are gems?

• Minerals.
• Other material used jewelry and other ornaments.

www.crystalpixels.com
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Where do you get gems?

• Mines in all around the world.
• In a variety of geological environments.

www.mentalfloss.com
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What is Weathering?

• Rocks breaking into small particles.
• By wind, water, gravity, etc.

www.bcssa.org/.../Changing_Surface.html
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What is erosion?

• Particles are moved to another place.
• By water, wind, gravity, etc.

www.aegweb.org/i4a/pages/index.cfm?pageid4083
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What is deposition?

• Placing the particles to other places.

www.allrefer.com/.../p0001112-glacial-deposition
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How do the rocks melt?

• Rocks melt by heat and pressure.
• Heat comes from two tectonic plates.

www.pbs.org
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How are magma and lava different?

• Magma is when its inside the volcano.
• Lava is when its outside of the volcano.

www.pbs.org/wgbh/nova/volcano/anat_11.html
pubs.usgs.gov/gip/dynamic/Krafla.html
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How do people use rocks?

• Build buildings
• Before, used as tools
• Before, used for paint
• For jewelry
• For decoration

kstyle-style.blogspot.com
mum2boys.files.wordpress.com
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How do people use minerals?

• People use minerals like jewelry.
• People use mineral like earring, necklace,
  bracelet, ring, etc.

www.noblepack.com/images/Jewelry_diamonds.jpg
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Why is the rock cycle important?

• Rocks need to change
• If a rock dont change is not a rock
• Rocks c hange to make more kinds of rocks

www.washington.edu/
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Sources!
www.crystalpixels.com www.mentalfloss.com www.pbs.
org www.library.thinkquest.org www.dcimages.com ww
w.mmm2boys.files.wordpress.com www.kstyle-style.bl
ogspot.com www.oum.ox.ac.uk/thezone/rocks/cycle/in
dex.htm www.bcssa.org/Changing_Surface.htm www.aeg
web.org/i49/paGES/INDEX.CFM?PAGEID4083 www.allref
er.com/p0001112-glacial-deposition www.plos.org/wg
bh/noba/volcano/anat_11.htm www.pubs.usgs.gov/gip/
dynamic/krafla.html www.csulb.edu www.beg.utexas.e
du http//www.oum.ox.ac.uk/thezone/rocks/cycle/ind
ex.htm www.Image12.webshots.com/159382129oilPjy_fs
.pg www.noblepack.com/images/Jewelry-diamonds.jpg
www.washington.edu/ www.stevedilworth.com www.beg.
utexas.edu