The water cycle

The three states of matter are...

• gas

• liquid

• water vapour

• solid

Water in gas form is called....

• water droplets

• water vapour

• ice

• oxygen

When we heat water, it turns to...

• water vapour

• ice

• liquid

The process of water turning to water vapour is called...

• condensation

• evaporation

• freezing

• melting

When water vapour touches something cold, it turns to...

• ice

• water droplets

• water vapour

• none of the above

What are the 3 main processes in the water cycle?

• evaporation - condensation - precipitation

• evaporation - melting - freezing

• freezing - melting - precipitation

Which of the following are examples of precipitation?

• rain

• snow

• hail

• clouds

Which of the following are true about clouds?

• Clouds are formed when ice melts and turns into water

• Clouds are formed when water vapour turns into water droplets

• When water droplets in clouds become too heavy, they fall as precipitation

Which of the following are true about the water cycle?

• The water cycle means that water will never run out

• The water cycle happens in Hong Kong and all around the world

• The water cycle is bad for the environment

I spill some water on the playground on a sunny day. When I come back with a mop, the water has disappeared! What happened?

• the water condensed

• the water evaporated

• the water melted