Ozone Layer
Chapter Name : Natural Resources |
Sub Topic Code : 103_09_14_06_01 |
Topic Name : Ozone Layer |
|
Sub Topic Name : Ozone Layer |
|
Introduction
Ozone is a molecule containing 3 atoms of oxygen and protects the Earth from absorbing harmful radiations from the Sun.
Pre-Requisites:
Oxygen cycle.
Real Life Question:
How do we get protected from the UVA and UVB rays from the sun?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Ozone layer | It is a molecule containing 3 atoms of oxygen and found in the upper reaches of the atmosphere. It is poisonous and is not stable near the Earth’s surface. |
| Importance of ozone | It prevents the life on the Earth from the harmful radiations of the sun. |
| Ozone depletion | Man made compounds like chlorofluorocarbons are released in the atmosphere and persist as they are not degraded. They reach the ozone layer and react with the ozone molecules resulting in the depletion of the ozone layer. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Encyclopedia and internet | Find the consequences of ozone depletion and how it affects the life forms on the Earth |
Real life uses :
One of the harmful effect of ozone depletion is global warming.
Practical examples around us
| Examples | Explainations |
|---|
What you learn in Theory:
Ozone layer is a molecule of 3 atoms of oxygen and protects from harmful radiations from the earth.
What you learn in Practice:
Man made compounds have resulted in the depletion of ozone layer.