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Worksheet:
Water filtration system
Name: _____________________________________ Date: _____________________________________
Class: _____________________________________
What makes water dirty?
1. ________________________________________
3. ________________________________________
A water filter can be made using what four objects?
1. ________________________________________
3. ________________________________________
2.
4.
________________________________________
________________________________________
2. ________________________________________
4. ________________________________________
Draw a picture of your water filtration system and add labels to explain:
66 Science in School Issue 10 : Winter 2008 www.scienceinschool.org
sis_10_26-69_RZ:Layout 1 14.11.2008 14:57 Uhr Seite 67
Teaching activities
Part of the water filtration system
Bottle
Cotton wool
Charcoal
Sand
Gravel
What does it do?
How does a water filtration system work?
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Why is it important to clean water?
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____________________________________________________________________________________________________ www.scienceinschool.org
Science in School Issue 10 : Winter 2008 67