CLASSIFICATION OF WASTES ACCORDING TO THEIR PROPERTIES.pptx

TLE 7 Household Services

1. CLASSIFICATION OF WASTES ACCORDING TO THEIR PROPERTIES

2. a. Biodegradable w astes that can be broken down(decomposed)into their constituent elements by bacteria and other microorganisms. t he term can be applied to both liquid and solid waste.

3. Examples: Human and animal waste Food waste Paper Agricultural waste

4. b. non-biodegradable a ny discarded item that cannot be broken down by living organisms a ccumulates in the environment because it cannot return to its origins

5. EXAMPLES: Plastics Bottles Old machines containers

6. CLASSIFICATIONS OF WASTES ACCORDING TO THEIR EFFECTS ON HUMAN HEALTH AND THE ENVIRONMENT HAZARDOUS WASTES - unsafe substance used commercially, industrially, agriculturally, or economically.

7. Examples: paint Motor oil Pesticide Drain opener Prescription drugs Air freshener batteries

8. b. non-hazardous Safe substances used commercially, industrially, agriculturally, or economically

9. Examples: Papers Cardboard Linings Wrappings Paper packaging materials

10. Why is it important to dispose our garbage properly?

11. Why is it important to segregate wastes?

12. What should be done to hazardous wastes?

13. EVALUATION: Draw a biodegradable and non-biodegradable wastes. SCORING RUBRIC Content 2 pts. Workmanship 2 pts. Neatness 1 pt. ___ 5 pts.