In a sink, the water goes down the ____ .
drain
If you see a ____ coming from a tap, you have found a leak.
drop
Many layers of compacted snow form a ____ .
glacier
A ____ can waste a lot of water.
leak
We are lucky to have ____ _____ in our homes. Many people have to carry water from a well.
running water
When there is a drought, we all must ____ water.
save
This picture shows a _____ .
swamp
In Spain, it is safe to drink water directly from a ___ .
tap
Everyone who does not close the tap when brushing their teeth is ____ water.
wasting
Niagara Falls is a very famous _____ on the border of Canada and the USA.
waterfall
Many surfers are waiting for the biggest ____ .
wave
