Page 165 - SK Year 6 Science DLP

WASTE MATERIALS
WASTE MATERIALS
BAHAN BUANGAN

Food wastes can decay and be composted. The following is how to make a
simple compost.
#TIPS
1 2 Keep the compost
pile outside the
house to avoid
smelly odours
during the
decomposition
process.
Put soil into a plastic container Put food wastes and mix them with
with holes. the soil. Pour water and leave it for
4 to 5 weeks.
This compost
3 4 can be used as
soil and fertilisers
for our crops.

Mix the compost pile every week After 4 to 5 weeks, the food wastes
and pour water to maintain the have decayed and become
soil moisture. compost.

Practising the 3R’s can reduce piles of waste materials in the environment.

R - REDUCE R - REUSE R – RECYCLE
Reduce the use of waste Reuse or diversify the use of Recycle waste materials
materials such as plastic waste materials. into new products.
bags.
glass waste
materials
old tyre

glass
use recycled flower pot products
bags

How can we save humans and the environment by using
non-biodegradable waste materials wisely?

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