Product Description
Video and lesson ideas covering the topic of water supply. Key concepts include:
- Much of the human water supply comes from rain which has collected into rivers and lakes.
- A pumping station pumps water to where it can be stored and cleaned at the waterworks.
- Used water drains into sewers.
- It is cleaned at the sewage works and returns to rivers or the sea.
- Natural water tends to become polluted.
- Polluted water is not clean or safe for human consumption.
- Clean water supply depends on a system for storing, moving and cleaning water.
- Used water needs to be treated before it is returned to its natural environment.
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