Water: What is Water Shortage?

Why does water shortage occur?

• Growing water demand and reducing water supply
• Growing water demand and growing water supply
• Reducing water demand and reducing water supply
• Reducing water demand and growing water supply

Why is water a renewable resource? (Select 2)

• Water can never run out

• Water is continuously cycled between the surface and the atmosphere

• Water can be naturally replenished

• Water exists in solid, liquid or gas state

What is infiltration?

• When water falls onto the ground

• When water slides off the surface of the land

• When water is condensed to form water droplets

• When water on the surface seeps into the ground

What is precipitation?

• Rainfall

• Snowfall

• Hail

• All of the above

Water that is not absorbed by the land flows over the earth's surface. It is called...

• Surface flowoff

• Surface rundown

• Surface runoff

• Surface water

Plants introduce water vapour in the atmosphere by...

• Evaporation

• Transpiration

• Transformation

• Expiration

Freshwater is equally distributed around the world.

• True
• False

Worldwide, the largest use of freshwater is from...

• Domestic use (in the household)

• Industrial use (in factories, to make things)

• Agricultural use (in farms, to water plants)

About ___ of the Earth's surface is water.

• 10%

• 30%

• 70%

• 90%

___ of the world's water is salt water, only ___ is freshwater.

• 50%, 50%

• 70%, 30%

• 90%, 10%

• 97%, 3%