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Stalactites

Stalactites. Presented by Joseph, Kaden and Andre. What is a stalactite?.

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Stalactites

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  1. Stalactites Presented by Joseph, Kaden and Andre

  2. What is a stalactite? A stalactite from the Greek word stalasso “to drip” and meaning “that which drips” is a type of speleothem (secondary mineral) that hangs from the ceiling of limestone caves. It is a type of drip stone. The corresponding formation on the floor caves is known as a stalagmite. photo of the Kelly Hill Limestone caves at Kangaroo Island

  3. Formation and type Stalactites are formed by the deposition of calcium carbonate and other minerals, which is precipitated from mineralized water solutions. Limestone is the chief form of calcium carbonate rock which is dissolved by water that contains carbon dioxide, forming a calcium bicarbonate solution in underground caverns. Every stalactite begins with a single mineral-laden drop of water. When the drop falls, it deposits the thinnest ring of calcite. Each subsequent drop that forms and falls deposits another calcite ring. This is a synthesis reaction and the chemical formula for this reaction is: CaCO3 + H2O + CO2Ca(HCO3)2

  4. Calcium Carbonate (Ionic)

  5. Calcium Carbonate + Water (Water is Covalent)

  6. Calcium Carbonate + Water + Carbon Dioxide (Carbon Dioxide is Ionic)

  7. Calcium Carbonate + Water + Carbon Dioxide  Calcium Bicarbonate

  8. + + CaCO3 + H2O + CO2  Ca(HCO3)2

  9. Science Centric • Group of scientists who answer questions and blog about request from viewers • Study many forms of Science including Chemistry

  10. Work Cited • http://en.wikipedia.org/wiki/Stalactite • http://www.goodearthgraphics.com/virtcave/staltite/staltite.html • http://science.howstuffworks.com/environmental/earth/geology/stalactite-stalagmite.htm • http://en.wikipedia.org/wiki/File:Tropfsteinanimation.gif • http://www.all-water.org/H2O_Images/640px-Water_molecule_3D.svg.png • http://www.globalwarmingart.com/images/7/7d/Carbon_Dioxide_Molecule_VdW.png • http://www.sciencephoto.com/image/450636/350wm/F0046906-Calcium_carbonate_molecule-SPL.jpg • http://chemwiki.ucdavis.edu/@api/deki/files/6267/=Carbonate-3D-balls.png • http://www.asbmb.org/assets/0/366/418/428/1186/1188/1200/63ddbf3f-b498-4d7d-8040-b12c4f96fff2.jpg • http://michael-mcginnis.com/images/ScienceCentric.jpg

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