A Thirsty World - Unit 4 - Review

What is the function of the balls in the water?

• to play polo

• to protect the water frrom the sun

• they are there for decoration

• to draw fish close to the fishermen

Where is the Ivanhoe reservoir?

• Russia

• USA

• Kuwait

• Turkey

How many liters is one gallon?

• 3.85

• 2.5

• 1

• 3.785

How much water is needed for one pound of beef?

• 10 gallons

• 56 gallons

• 176 gallons

• 1,857 gallons

The amount of fresh water we consume but do not see is called .............

Which of the following are the virtual water used for meat?

• the water the animals drink

• the water used to grow the animals' food

• the water the farmer's children use to have showers

• the water the farmer uses to clean his own food

• the water used to clean their living areas

Which of the following are included in the virtual water totals for fruits and vegetables?

• rainwater

• the water inside the fruit or vegetable

• irrigation water (the water used for watering)

• the snow on the tops of nearby mountains

Why does meat use more water?

• Because farmers who take care of the animals get really thirsty

• Because some animals make sounds that prevent the rain

• Because a lot of water is needed to raise the animals

• Because animals are clumsy and they spill a lot of water

Which river supplies 20% of the fresh water that enters the world's oceans?

• The Nile River

• The Danube River

• the Amazon River

• The Volga River

People in ................ use the smallest amount of water of any country in the world.

• Kuwait

• Australia

• Nigeria

• The USA