water as a resource

Factories are the only water polluters

• True

• False

Water is a renewable resource.

• True

• False

Green plants need water for.....

• photography.

• absorption.

• photosynthesis.

• synthesis.

The image above represents:

• Evaporations

• Water Picture

• Water cycle

• Cycle of the seasons

In nature there is a continuous cycle in which water keeps changing its from . This is called ____________________.

The heat of the sun warms up the water in rivers , lakes , oceans and other water bodies . This water turns into water vapour . This process is called ____________.

Water vapour is light , so it rises up (just like a gas balloon).As it moves up ,it comes in contact with cool air and changes into tiny droplets of water. This is called

______________.

When the clouds become too heavy , they fall as _____________.

• dew

• rain

• groundwater

• smoke

Impurities that dissolve in water and are invisible are called _______________impurities.

• insoluble

• soluble

Impurities that are not soluble in water and can easily be seen are called _______________impurities.

• insoluble

• soluble