Clouds & Particles

Basics

1. Clouds

1. Observation

If you look closely at the steam rising from a boiling kettle you will see a gap between the spout and the steam.

Why does the gap occur?

2. Your body and the water cycle

Around 65 % of our bodies are made up of water.  Explain how the water in our body is part of the water cycle.

3. Join the water cycle

Go to:

http://www.letus.northwestern.edu/projects/gw/cycles/hydro/hydro.html 

and take part in a water molecule's journey through the water cycle.   Have a go deciding which step the water molecule should take next!

4. Write a text

Write a story describing how a water molecule travels through the water cycle and explain this figure.

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About this page:

Authors: Ellen K. Henriksen and Camilla Schreiner - University of Oslo - Norway. Scientific reviewer: Justine Gourdeau - LaMP Clermont ferrand - France - 2004-01-13. Last update: 2004-03-27.