The Water Cycle, Drawn

Follow a drop of water round the cycle by reading the diagram.

8 questions, free, marked as you go with a worked explanation on every one.

What this covers

In the cycle shown, which stage turns liquid water into vapour?
In the cycle shown, what has to happen before precipitation can?
Which stage in the diagram carries dissolved fertiliser off a field and into a lake?
Using the diagram, why is rain fresh even when it came from a salty ocean?
Which of these are shown as stages of the cycle in the diagram? Select all that apply.
A watershed receives 640 mm of precipitation a year, and 35 percent of it evaporates again. How many millimetres are left to run off or soak in?
Where in the cycle shown would a dam have the biggest direct effect?
A drought reduces precipitation for two years. Using the diagram, what happens to collection?