Grade 6

Good Water Quality

Water that is free from pollutants is colourless and odourless. A stream should be ideally surrounded by vegetation (plants). Plants give shade and ...
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How People Influence The environment

See if you can identify all the things humans do that have a negative effect on the environment. Dumping things ...
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How to Clean Drinking Water

We can kill germs in water by boiling it. We can also kill them by adding few drops of bleach and letting ...
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How to Clean Large Volumes of Water

 Sieving Dirty water that contains substances like mud and stones can be separated from water with a sieve. The holes ...
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Plants and Water

Plants can transport water from their roots to their leaves by a process call transpiration. Transpiration is the loss of ...
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The Importance of Water for Ecosystems

The earth is the only planet in our solar system that has liquid water. It is know as the 'Blue ...
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Water Pollution

Water pollution is caused by human actions that make water dirty and unsafe for living things. In the environment many ...
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/ Grade 6, Water