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CaCO3
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Published on Nov 18, 2015
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1.
CHALK
BY: SYDNI ELIFF & EMILY MILLER
Photo by
r0Kk
2.
WHAT CHALK IS MADE OF
Chalk is composed of plankton skeletons that have collected at the bottom of the ocean.
The skeletons look similar to styro-foam plates.
The skeletons have sat long enough to form a white blanket of chalk.
Photo by
olfiika
3.
Chalk molecule
4.
CHALK
Common name: chalk
Chemical name: calcium carbonate
Chemical formula: CaCO3
Photo by
eriwst
5.
USES
Writing
Getting out grease stains
Keeps jewelry from wearing down
Keep ants away
Photo by
⊰❀ A Garden Waltz ❀⊱
6.
WHERE ITS FOUND
In the ocean
On cliffs
Photo by
Roshnii
7.
FACTS ON CHALK
Forms in marine environments
Toothpaste also commonly contains small amounts of chalk
Photo by
Camil Tulcan
8.
SITES
www.Imtsd.org
www.chemistry.about.com
www.partiallyexaminedlife.com
www.factscolumn.com
Photo by
karmajaxx
Sydni No
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