Skip to content
World 1 · One island, one water budget · 7 min

A round trip for water

Teaching this? Open projector mode

Sunlight supplies energy for evaporation: liquid becomes invisible water vapour. Cooling can condense vapour into droplets. Precipitation carries water back to the surface, and runoff returns some to the ocean. The same water changes store and state; it is not used up.

Loading 3D lab…
Check yourself

Water vapour is…

0 of 2 required activities complete. Finish each task and quiz.Next lesson →

Report a mistake

What is wrong?
0 / 2000 · at least 10 characters
Sent along with your report
  • Page
  • About A round trip for water — Weather Island · weather/journey
Plus your browser type. Reports go to our support system; see the privacy notice.