Page 159 - SK Year 6 Science DLP

WASTE MATERIALS
WASTE MATERIALS
BAHAN BUANGAN

Food waste and paper are organic
Food Waste wastes because they derive from
Remains of bones, animals and plants.
skin of fruit, rotten
vegetables, and spoilt Excretory Products and
food are wastes that Faeces
originate from our food. Wastes eliminated from
humans and animals CLICK
such as urine and faeces Be careful with toxic wastes! The
following are the meanings of the
are waste materials that symbols on the containers of
can be categorised as toxic materials.
excretory products and
faeces.
Highly Contain toxic materials
Flammable

Contain materials Contain concentrated
with harmful solutions of strong acid or
microorganisms alkaline that can corrode
skin and metals.

Toxic Waste
Toxic wastes are waste materials derived from chemical,
industrial, and agricultural wastes. Aerosol canisters,
pesticides, used batteries, and smoke from vehicles are
classified as toxic wastes.

industrial waste smoke from vehicles smoke from spray from pesticides
materials factories

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