Potable Water And Water Purification
Chapter Name : Pollution Of Air And Water |
Sub Topic Code : 102_08_18_08_02 |
Topic Name : Potable Water And Water Purification |
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Sub Topic Name : Water Purification |
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Introduction
Discuss “What techniques we normally see for purifying water ”
Pre-Requisites:
Water pollution
Activity:
See impurities left in filters after purifying water, Talk to your local swimming pool caretaker and ask how frequently and how much chlorine they add to water and what happens if they don’t add regularly
Real Life Question:
“What water purifying machine is at your house? How does it works?”
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| potable water | Water which is suitable for drinking is called potable water |
| Chlorination | Chlorination is a commonly used chemical method for purifying water. It is done by adding chlorine tablets or bleaching powder to the water. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Water filter | Show parts and their functions and what kind of impurities each of them removes |
Real life uses :
Purifying water is very important for our health
Places to visit :
Water purification plant
Practical examples around us
| Examples | Explainations |
|---|---|
| Water filter at our homes | They purify water |
What you learn in Theory:
Water purification techniques
What you learn in Practice:
How we can purify water