Page 161 - SK Year 6 Science DLP

WASTE MATERIALS
WASTE MATERIALS
BAHAN BUANGAN

Let’s
Let’s
Test
Test Separate Wisely

Aim To classify biodegradable and non-biodegradable wastes in school
surroundings.

Apparatus and Marker pen, manila card, red and blue stickers, and waste
Materials materials

Steps
1. Conduct this activity in small groups.

Waste material
Object Material
Biodegradable Non-biodegradable

ZZ

2. Choose and collect a 3. Use the coloured stickers 4. Construct a table as
few items in your and mark the items shown above. Transfer the
school surroundings. according to the results of your observations
following categories: into the table.
• Biodegradable
• Non-biodegradable

5. Present your table to the class. Share the results of your observations
with other friends.

HOTS
HOTS
1. Why is there a need to control the use
of non-biodegradable materials?
2. How can waste materials be classified? Predict what will happen if all
3. What conclusion can you make from materials are non-biodegradable.
this activity?

CLICK
Do you know that waste paper banana skin disposable can plastic bottle
materials can remain in the diaper and rubber
2 – 3 1 – 3 10 – 20 200 – 400 > 500
soil for hundreds of years? weeks months years years years
#TEACHER
9.1.3 Surf the Internet to find out the time taken for waste materials
9.1.6 to decay. 153