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1. Introduction

The module is an excellent compilation of interesting facts and concepts regarding the Water
Resources Protection and Management in our environment. It aims to enhance the classroom
experience wherein the educators could use the information from the guide to make their teaching
more effective and attractive. It especially equips every educator with authentic and updated
knowledge on Water Resources, which is vital for environmental education.

2. Properties of Water

2.1. Three States of Water

Water is colorless, tasteless and nontoxic. It exists in three different states: solid, liquid
and gas.
Water changes between these three states based upon the surrounding temperature.
Water freezes into ice, its solid form, at temperatures lower than 0°C; it evaporates into steam, or
gas form, at temperatures higher than 100°C.
GAS

7

STATE
OF
SOLID WATER LIQUID

SOLID LIQUID GAS

Source: www.shutterstock.com/image-vector/state-matter-change-water-phase-fluid-2080761934

The water we drink is liquid, so is the water in the rivers, lakes and the sea. Clouds are made up of
tiny drops of liquid water. When referring to the amount of moisture in the air, we are actually
referring to the amount of water vapor. If the air is described as "moist", that means the air contains
large amounts of water vapor.

Changing States of Matter Lesson for Kids
https://study.com/academy/lesson/changing-states-of-matter-lesson-for-kids.html

This project has been funded with support from the European Commission. This communication reflects the
views only of the author, and the Commission cannot be held responsible for any use which may be made of the

information contained therein.