What Happens When We Add Our Waste To The Environment?
Chapter Name : Our Environment |
Sub Topic Code : 103_10_15_01_01 |
Topic Name : What Happens When We Add Our Waste To The Environment? |
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Sub Topic Name : What Happens When We Add Our Waste To The Environment? |
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Introduction
The house hold waste that we produce is divided into biodegradable and non biodegradable waste. Bacteria degrade biodegradable waste by enzyme activity.
Pre-Requisites:
Biodegradable, Non biodegradable
Activity:
Make a pit in the garden and burry the household waste and put some water and observe it after 15 days. Most of the waste will get mixed with the soil except plastics.
Real Life Question:
How to check our household waste degradation activity?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Biodegradable | Which can be degraded by bacterial enzyme. |
| Non biodegradable | Which can’t be degraded by bacterial enzyme. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Gardening tools | To make a pit in the garden. |
Real life uses :
Waste disposable bin and use of environment friendly products.
Places to visit :
Check in your house or school dustbin for the types of waste.
Practical examples around us
| Examples | Explainations |
|---|---|
| Rivers | Water in the river decreases and the flow blocks due to waste thrown in the river. |
What you learn in Theory:
The household waste and environment.
What you learn in Practice:
Household waste effects the environment.