Water changes form as it travels. Evaporation turns liquid into invisible water vapour. Condensation makes liquid droplets, and precipitation returns water from clouds to the surface. Some surface water runs off; some infiltrates the ground. Plants also release water vapour through transpiration.
Water and oceans · Discover & try
Where can a drop of water go next?
Reading level 3 of 5 · IndependentChange
Word help
evaporation
Liquid water changing into water vapour.
infiltration
Water entering the ground from the surface.
transpiration
Water vapour released from plant leaves.
storage
Water remaining in a place before moving onward.
Watch · Try · Explain
See how it works
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Possible water pathways; arrows do not indicate travel times or probabilities.
What to look for
- More than one route from the same place
- Changes between liquid, ice, and vapour
- Places where water can remain stored
Explain what you noticed
What can happen after rain reaches the land?
Keep this idea: Water can take branching paths and remain stored.
Follow the sources
Source material checked 2026-10-28. Explanations and activities by Nepedia. Agency source links do not imply endorsement.
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