Environment, Homofaber

The student will be able to:

•   describe the approximate percentages of gases in pure air.
•  know that air is a mixture and can be separated by fractional distillation.
•  give the characteristics of the layers of the atmosphere and will tell where the ozone layer is found.
•  express the abundance of the gases of the air in chart , % or fraction form and perform simple calculations.
•  perform experiments to show which gas is involved in burning or rusting .
•  perform the same experiment on inhaled and exhaled air.
•  test for carbon dioxide and test for oxygen
•  write formulas or gases of the air and will do pictorial representation.
•  describe the fire triangle
•  describe rusting and will study about its prevention
•  Investigate the products of combustion of a candle.
•  determine the factors that pollute the air

Content/contenido

Gases in air, fire triangle, rusting ans its prevention, combustion of candle 

QUIZ
Air pollution table : name, formula, cause , problems and prevention Read for understanding Chap 12