Page 20 - Ranger PT3 2022 science

CHAPTER 5 water and solution Form 2
Science PT3 Chapter 5 Water and Solution

Penerbitan Pelangi Sdn Bhd. All Rights Reserved.

Theme 2: Exploration of Elements in Nature

i-THINK Gallery

Physical Characteristics of Water

Tasteless,
colourless,
odourless

Melting point State of
= 0°C matter change
Boiling point Physical due to heat
= 100°C characteristics absorption and
heat release
of water

Has high Density
surface = 1 g cm -3 Form 2
tension
Form 2
Causes and Effects of Water Pollution

Domestic waste Flash floods

Industrial waste Poisoning of aquatic life

Logging Water Muddying of river water
pollution

Agricultural waste Diseases and health
problems

Oil spillage Kill fishes and birds

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