�ݺ�ߣ

Quarter 1
Module 3 Lesson 1:
How We Can Manage Our
Waste

WhatI Need to Know
Thewaste that we generate per day is more
than what landfills canaccommodate. This is
why some wastes are left uncollected in
different places.Uncollected waste causes
land, water, and air pollution and any form of
pollution is harmful to all orga nisms.
Therefore, we should practice 5Rs to manage
waste in theenvironment and help make our
surroundings clean and tidy.After working on
this module, you will be able to understand
The waste that we generate per day is more than what
landfills can accommodate. This is why some wastes
are left uncollected in different places. Uncollected
waste causes land, water, and air pollution and any
form of pollution is harmful to all orga nisms.
Therefore, we should practice 5Rs to manage waste in
theenvironment and help make our surroundings
clean and tidy. After working on this module, you will
be able to understand how people canmanage their
waste through the 5Rs: Reduce, Reuse, Recycle, Repair
or Recover
What I Need to Know

Directions:
Study the pictures of the new
products created or made and
identify what
common materials are used.
HowCan We Manage Our
Waste: The 5R’s Technique

1. What materials are shown in the picture?
2. Where can we find these materials?
3. Are these materials common to our locality?

1. What materials are shown in the picture?
2. Where can we find these materials?
3. Are these materials common to our
locality?

What’s
New
Directions:
The following shows the application
of 5Rs. Label them correspondingly
with reduced, reused, recycled,
repaired or recovered.

reduced, reused,
recycled, repaired
or recovered.
• eco bags

reduced, reused, recycled, repaired or recovered.
2. Scrap wood as
fence

3. Tires remodeled
into outdoor seats
reduced, reused, recycled, repaired or
recovered

4. Used jars
made as
containers/
canisters
reduced, reused, recycled, repaired or
recovered

5. Animal manure
reduced, reused,
recycled,
repaired or
recovered

Whatare the different ways of managing waste? What
are the specific materials that can be reduced, reused,
recycled, repaired or recovered?
There are strategies that can be used in handling waste
materials found in our home and community su ch as
the 5 R’s Technique. This technique is composed of five (
ways we can manage our wastes such as:

Science 5 q1w6 (Presentation).pptx

(1)Reducing using
alternative materials
such as using eco bags
instead ofplastic
cellophane to
minimize wastes from
plastics;

(2) Reusing finding another w ay for
materials that have already been used
suchas using old but usable shoes
(3) Recycling producing new
product out of discarded
materials such as making
decoration ( figurines) from
used/scrap papers)

(4)Recovering making the most out of
the waste by regenerating energy such
as using peelings of fruits and
vegetables as plant fertilizers
(5)Repairing fixing broken things so
that they can be used again such as
sewing and mending old clothes.

Asa whole, the 5 R’s Technique
helps in minimizing garbage to
avoid pollution in air, water, and
land.
Now,think of some situations in
your home or community that you
have observed or experienced that
use the 5 techniques mentioned.

Have you practiced
using the 5 techniques at
home? In your community? If
yes, you and your family are
certainly caring for the
environment! Congratulations

Directions:
Supply sentences with
the missing word to
complete the paragraph.

The 5Rs of waste management is the
modern way of handling garbage and
waste materials. 1.__________ simply means
lessen the use of unnecessary materials.
It means buying only what you need.
Meanwhile, 2._______________means to use
again if not by you then by others. Clothes,
cooking wares, bags and shoes are someof
the examples.

The processing of the waste materials to
make another product is called 3.
____________ 4.____________ is the fixing or
restoring broken items to be used again.
5.___________means taking energy or
materials from waste that cannotbe used
anymore.

Assessment
Directions:
Choose the correct answer
in each situation on waste
management.

1. If you have a garden in your
backyard, which of the following
materials cannot be used as
fertilizers for your plants?
A. manure from cow C. rice husk
B. dried leaves D. candy wrappers

2. Pedro used few big boxes to plant
tomatoes instead of many small pots.
What technique did he apply?
A. Recycling
B. Reducing
C. Reusing
D. Repairing

3. Why are we encouraged to apply 5 R’s
technique?
A. it will make us rich.
B. it will lessen the volume of garbage
produced daily.
C. It will not need to buy more trash bins.
D. It will make our house more beautiful.

4. Your Father is so eager to fix your house
after it was destroyed by a strong typhoon,
what waste management did he apply?
A. Recycle
B. Repair
C. Reduce
D. Reuse

5. One good characteristic of being a
responsible consumer is to refrain
from buying new materials when you
still have supplies, what waste
management is being practiced?
A. Reuse B. Repair
C. Recover D. Reduce

6. Which of the following statements shows a person
practice recovering materials to help save the
environment?
A. Carol bought good vegetables only enough for her one-
day meal.
B. Instead of throwing away all the soft drink cans he
bought, Dennis used them as pots for his plants.
C. Denise, instead of buying a new bag for the upcoming
school days, washed and fixed held old one.
D. Mr. Cruz collected the chicken manure in his poultry
farm and gave it to a shop that can convert
biodegradable material to LPG.

7. Because he/she cannot go out of the
house, Sarah decided to make her time
more productive. She made a figurine
from the empty seashells they have out
from their yesterday’s lunch. What
technique did she apply?
A. Recycling C. Reducing
B. Repairing D. Recovering

8. Which of the following situations involves recycling?
A. Sean Beda made a string notebook out of the unused
pages of his old spiral notebook.
B. Arianne Denise would always place oil on the gears of
her bicycle to prevent rusting.
C. Kent Denzel collected biodegradable waste materials
then made a compost.
D. CJ Kean made a bag out of his old worn-out pants.

9. Which of the following is the best
substitute for plastic cellophane if you
want to go to the grocery store?
A. Newspaper bags C. Banana leaves
B. Big cans D. Cloth bags

10. Ana, a 15 year-old girl, gave her old dresses
to her younger neighbor. What is she doing?
A. Recycling
B. Reducing
C. Reusing
D. Recovering

Answer key
What’s
New
1.Reduce
2.Repair
3.Recycle
4.Reuse
5.Recover
What
I Have Learned
1.Reduce
2.reuse
3.recycling
4.Repair
5.Recover
Assessment
1.D
2.B
3.B
4.B
5.D
6.D
7.A
8.D
9.D
10.C

�ݺ�ߣ

Science 5 q1w6 (Presentation).pptx

Recommended

More Related Content

Similar to Science 5 q1w6 (Presentation).pptx (20)

More from ShirleyPicio3 (16)

Recently uploaded (20)

Science 5 q1w6 (Presentation).pptx