1 / 9

CHEMISTRY

CHEMISTRY. Form 2 ambcol36@servihoo.com (Mauritius). Objectives. To recall the term CFC (Chlorofluorocarbon ) To use the periodic table to list the elements found in CFC To describe the importance of the ozone layer To search for information on CFC and ozone layer (using ICT)

langston
Télécharger la présentation

CHEMISTRY

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CHEMISTRY Form 2 ambcol36@servihoo.com (Mauritius)

  2. Objectives • To recall the term CFC (Chlorofluorocarbon) • To use the periodic table to list the elements found in CFC • To describe the importance of the ozone layer • To search for information on CFC and ozone layer (using ICT) Time: 40 minutes Resources:NEPAD lab 16/5/07

  3. INTRODUCTION • Refer to your M.I.E textbook Pg 97 • Recap on acid rain. • Refer to your book and give me the meaning of CFC? • Use the periodic table from the NEPAD library to find out the elements and symbols of the elements found in CFC. • [Curriculum – Harcourt – Chemistry AS Pack – Pg 150] – Rotate anticlockwise

  4. CFC • Find out about CFC from the internet • www.mamma.com • Search box: Chlorofluorocarbon ozone layer picture atmosphere • Sharing about (a) Ozone layer (b) CFC

  5. DAMAGE DUE TO CFC (Research samples)

  6. Ozone layer (Research samples) • On October 3, 1999 the size of the Antarctic ozone hole is smaller than it was at the same time last year. Red colors denote high ozone levels; blue denotes low.

  7. Evaluation • Questions on CFC and its dangers • Research on CFC-free propellants and to bring samples for the next class

  8. Internet Shortcuts • http://science.nasa.gov/newhome/headlines/essd06oct99_1.htm • http://www.upei.ca/~physics/p261/projects/ozone1/ozone1.htm

  9. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

More Related