Water, downstream and the schoolyard
Answers are for parents and teachers.
1
Write down every use of water in your home for one morning. Circle the uses that make greywater.
Answers differ, for example: washing hands, brushing teeth, showering and washing dishes make greywater.
2
A leaking tap loses 3 litres every hour. How much water does it lose in one day (24 hours)?
3 × 24 = 72 litres.
3
Draw a stream with a village at the top and a farm at the bottom. Use arrows to show where polluted water would go.
The arrows point downhill from the village to the farm, showing that pollution travels downstream.
4
List five living and five nonliving things that you can see on your street.
Answers differ, for example: living: tree, cat, pigeon, grass, person; nonliving: car, stone, bench, wall, water puddle.
5
Explain in two sentences why water is important to living things.
Answers differ, for example: All living things need water to stay alive. Plants use it to make food, and many animals live in it.