Week 77 - Day 3 Lesson 33: Importance of Recycle, Reduce, Reuse, Recover, and Repair of Waste Management I.
Objective: Explain the importance of recycle, reduce, reuse, recover and repair of waste management
II.
A. Materials pictures video clip powerpoint presentation B. References: Curriculum Guide S5MT-Ie-g3 Cyber Science Scie nce Work Text Text in Science Sci ence and and Technology Technology 5, Necitas G. Valencia pp. 16 and 19 C. Process Skills Skills:: inferring, observing, describing, recording analyzing, analyzing, synthesi synthesizing, zing, compari co mparing, ng, reasoning, reas oning, communicating communicati ng D. Values Integration: Integration:
III.
Practi Pra ctice ce 5Rs everywh everywhere ere you go
Learning Tasks: A.
Engagement 1. Review Have the learners read the waste management system through through a powerpoi power point nt presentation. presentatio n. Show two two thumbs thumbs up if the practice is right and two thumbs thumbs down if i f it is i s wrong. wrong. a.
Use the empty jars of mayonnai mayonnaise se as candy jars or food storage jars.
b.
Bury aluminum aluminum cans ca ns and broken brok en glasses glass es underg underground. round.
c.
Put all food residues resi dues together toge ther with wi th the trash of the day.
d.
Segregate Segreg ate glass wastes from plastic, papers, and and rubber.
e.
Burn old tires and and broken plastic toys toys at the the backyard.
2. Motivation Prepare the class for a video clip viewing. Set the purpose for viewing. The video clip is all about how we could lessen or prevent the harmful effects of waste materials in the environment through 5Rs. Your task is to jot down the importance of 5Rs in waste management and then discuss it with your group. B. Exploration 1. Group the class into five. 2. Each group will discuss the importance of each waste management.
Group I Waste Management
Importance
Recycle
Group II Waste Management Reduce
Importance
Group III Waste Management
Importance
Recover
Group IV Waste Management
Importance
Recover
Group V – Repair Waste Management
Importance
Recover
3. What are the importance of 5Rs of waste management?
C. Explanation 1. Presentation of output. 2. Guide Questions: a. Why do we need to recycle, reduce, reuse, recover and repair waste materials? b. In what ways these 5Rs could help lessen the harmful effects of waste materials in the environment?
D. Elaboration/Extension 1. Generalization
Background Information for the Teacher: Recycle, Reduce, Reuse, Recover and Repair are
ways of Waste Management. They will help lessen
the production of waste materials that will cause harmful effects in the environment because instead of throwing and disposing the waste products, people were able to find ways to make another product, lessen the use of unnecessary materials, use again materials in different purpose, take energy from waste materials and use into more beneficial use and learn how to fix and restore broken items to be used again. If people will really follow the 5Rs of Waste Management, harmful effects of waste materials to the environment will be prevented. 2. Application: Awareness of the importance of 5Rs of Waste Management is everybody’s responsibility. How will
you extend what you learned today at home? E. Evaluation Write the concept of 5Rs as described by each importance. 5 Rs of Waste Management
Use again the material for other purpose
Take the energy from waste product for a new product.
Fix the broken materials for a purpose
Lessen the use of unnecessary materials
Make the waste material to a new product
IV. Assignment Look for some waste materials at home that could be recycled, reduced, recovered, repaired and reused. Give 2 examples. Waste Management Recycle Reduce Recover Repair Reuse
Examples
