Water resources

What type of energy does the water hold

behind a dam?

• A – electrical

• B – chemical energy

• C – potential energy

• D – kinetic energy

When water is released from a dam, what is

that energy converted to?

• A – electrical

• B – chemical energy

• C – potential energy

• D – kinetic energy

When water is released from a dam, what is

that energy converted to?

• A – electrical

• B – chemical energy

• C – potential energy

• D – kinetic energy

The amount of energy generated by a hydropower station depends on

• A – the type of rock it is built on

• B – the height of the dam and the volume of water released

• C – the length of the river upstream of the dam

• D – the length of the river downstream of the dam

How many people in the world do not have access to clean drinking water?

• A – around 1 million

• B – around 10 million

• C – more than 10 million

• D – more than 1 billion

How will climate change affect water resources?

• A – there will be more water worldwide

• B – there will be less water worldwide

• C – dry places will become drier worldwide

• D – it is difficult to predict

• The most important thing to do with our water resources is

• A – use them more effi ciently

• B – send them to areas with less water

• C – make sure nobody else can access them

• D – bottle water for the future

What is the name of the process which converts sea water to water suitable for use by humans?

• A – desalination

• B – decontamination

• C – desiccation

• D – decoration