Water Experiments and Competitions

This page is primarily linked to 'Trevor's Boat Hunt' in the Flying Fox series published by Random House. This book is to do with water and where it comes from as well as recycling rubbish.

Try The Water Droplet game online or download it here.


A Magic Trick With Water

1. Place a piece of paper in a bowl of water, and leave it to soak for a minute.
2. Stick the wet paper on to a window.
3. Put a dry piece of paper over the wet one.
4. With a pencil, write your name on the dry sheet of paper.
5. Throw the top sheet of paper away, and leave the wet one to dry.
6. Once dry, hold up the paper and say that you can make your name appear on it.
7. Say "Abra Cadabra!"
8. Put the paper in a bowl of water, and magically, the writing will show up!

Evaporation Experiment

Here's an experiment to learn about how water evaporates. All you need are two empty glass jars and two cotton tea-towels.

1. Fill both of the glass jars with cold water.
2. Wrap a dry tea-towel around one glass jar.
3. Soak the other tea-towel in water and wrap it tightly around the other glass jar.
4. Put both jars somewhere warm - outside in the sun, or in an airing cupboard.
5. After one to two hours, take off both tea-towels, and feel the jars with your hands. The jar that was wrapped in the wet tea-towel will feel cooler than the jar wrapped in the dry tea-towel. This is because the water in the wet tea-towel has been evaporating, and as it did so, it drew heat from the jar inside, so keeping the jar cool.

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