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CaCO3

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

Photo by karmajaxx

Sydni No