Waste Management

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4. OBJECTIVES:
At the end of the lesson, 80% of the
students should be able to:
1. identify the different types and classification
of waste;
2. differentiate Biodegradable and Non-
Biodegradable waste;
3. value the importance of knowing how to
properly manage waste.

6.  Waste management is the
collection, transport, processing,
recycling or disposal of waste
materials.

7. Types of Waste

8.  A. Solid waste is defined as any
waste that is dry in Examples
are plastics, styrofoam
containers, bottles, cans,
papers, scrap iron, and other
trashes form and is discarded as
unwanted.

10.  B. Liquid Wastes Liquid waste
includes human waste, runoff
(storm water or flood water),
sullage, industrial wastewater
and other forms of wastewater
from different sources.

12. Classification of Wastes
According to their
Properties

13.  A. Bio-degradable wastes are
those that can be broken down
(decomposed) into their
constituent elements by bacteria
and other microorganisms.

15.  B. Non-biodegradable trash is
any discarded item that cannot
be broken down by living
organisms

17. Classification of Wastes
According to their Effects on
Human Health and the
Environment

18.  A. Hazardous wastes – are
unsafe substances used
commercially, industrially,
agriculturally, or economically

20.  B. Non-hazardous – are safe
substances used commercially,
industrially, agriculturally, or
economically.

22. Process Flow of Waste
Management

23. Reduce Reuse Recycle
Recover Landfill

24. CTTO: <iframe width="560" height="315" src="https://www.youtube.com/embed/29OFyXJC_uA" frameborder="0"
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

25. Did you listen?
Okay Let’s
have a Quiz

26. Directions: Identify the following
waste if it is Biodegradable or
Non- Biodegradable.
Write B for Biodegradable and
NB for Non- Biodegradable

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29. 1 2 3 4 5
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NB NB NB
NB NB NB
B B
B B

31. Thanks
for listening!