Y9G T1 Exam

What is the definition of physical water scarcity?

• Having too little water in a place.

• Having too little money to access water.

• Having too much water.

• Having the risk of drought, flooding and other emergencies.

What is the definition of irrigation?

• systems that distribute water to fields

• systems that bring water away from farms

• systems that naturally share water along rivers and streams

• systems that collect stormwater and prevent flooding

All resources are used to meet human...

• needs and wants

• needs and dreams

• wants and wishes

• wants and goals

Gold is a renewable resource because...

• it can be used again through recycling.

• it can only be used one time.

• it cannot be used more than once.

• it can be used but if it is burned as fuel it will disappear.

Because of ___ some places cannot afford the ___ to access safe water supplies.

• poverty / infrastructure

• wealth / money

• poverty / places

• wealth / land

What percentages of water are used for farms, factories and homes?

• 70 / 19 / 11

• 70 / 11 / 19

• 33 / 33 / 33

• 99 / 0.9 / 0.1

Because of the ___, water is usually a renewable resource.

• water cycle

• water bicycle

• water unicycle

• water cyclo

A desalination plant...

• takes water from the sea and removes the salt through heating.

• takes water from the sea and removes the salt through cooling.

• takes water from the sky and adds salt to make it drinkable.

• takes water from the sea and adds salt so humans can use it.

The Ogallala is an aquifer below the USA which...

• can be used for irrigation when ground water is pumped up.

• can be used for factories when groundwater is desalinated.

• can be used for farming when it is rainy season.

• can be used for collecting water and storing it later.

Because of ___ and ___, the demand for clean water is increasing beyond sustainable levels.

• rising populations / larger diets

• falling populations / falling diets

• rising populations / smaller diets

• rising populations / unhealthy diets