1Know the composition of ozone gas.
2Conclude the steps of ozone formation.
3Appreciate the importance of ozone Layer.
4Mention the pollutants of ozone Layer.
5Determine ways to protect ozone Layer.
6Describe the global warming phenomenon and the greenhouse effect.
7Identify greenhouse gases.
8Interpret the rising temperature of the earth’s atmosphere.
9Determine the negative effects resulted from the rising temperature of the earth.
10Follow up the procedures and solutions to the problems of erosion of the ozone.
11Identify the properties of ultraviolet radiation and its types.