JSS3: BASIC SCIENCE - 1ST TERM
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Family Traits | Week 17 Topics|1 Quiz
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Environmental Hazards I - Soil Erosion | Week 23 Topics
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Environmental Hazards I - Flooding | Week 35 Topics|1 Quiz
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Environmental Hazards II - Bush Burning | Week 44 Topics
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Environmental Hazards II - Deforestation | Week 54 Topics|1 Quiz
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Environmental Hazards III - Desertification | Week 64 Topics|1 Quiz
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Environmental Hazards III - Description of the Ozone Layer and its Location in the Atmosphere | Week 74 Topics|1 Quiz
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Drug and Substance Abuse | Week 84 Topics|1 Quiz
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Resources from Living Things | Week 94 Topics
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Resources from Non-Living Things | Week 102 Topics|1 Quiz
Quizzes
The Ozone Layer
Topic Content:
- Ozone Layer
- Natural Production of Ozone
- Importance of Ozone layer

The atmosphere is comprised of layers based on temperature. These layers include the
- troposphere
- stratosphere
- mesosphere
- thermosphere
- exosphere
Exosphere is the outermost layer (very edge) of the atmosphere. It extends from about 440 miles (700 km) to 6,200 miles (10,000 km ) above the earth. In this layer, atoms and molecules escape into space
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