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Lesson II: Physical and Chemical Changes that happen in Materials
a. Presence and Absence of Oxygen
b. Presence of Heat
c. Useful and Harmful Effects of the Changes in the Materials.
Lesson III: 5R's Techniques of Waste Management
a. Wastes: Types and Effects of Waste
b. 5 R's Techniques of Waste Management and its Importance
c. Tips on Reducing our Waste
Lesson IV: Making Products through Recycling
a. Choosing and designing a recycled product
b. Making and exhibition of recycled products
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