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Module 1.5: Roof-water Harvesting for Growing our Food

What is Roof Water Harvesting?

Why use Roof Water Harvesting?

Using Roof Water at Home and in Food Gardens

Importance of Roof Water Harvesting & safety tips

Teaching this practice & using resources

Roof Water Harvesting Quiz

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Roof Water Harvesting Quiz

Module 1.5: Roof-water Harvesting for Growing our Food
Roof Water Harvesting Quiz

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Question 1 of 10

1. Question

What is roof water harvesting?

Collecting and storing rainwater that runs off the roof into tanks or containers
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Pumping groundwater from a borehole or well
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Diverting stormwater from roads into rivers
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Reusing water from baths and sinks in the garden
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Question 2 of 10

2. Question

Roof water harvesting is mainly an example of which type of water management practice?

Slow and spread
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Catch and use
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Catch and store
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Drain and dispose
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Question 3 of 10

3. Question

Which of the following are benefits of roof water harvesting at household or school level?

It can provide a more reliable water supply on site
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It always removes the need for any other water source
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It can reduce time and effort spent collecting water from far away
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Surplus stored water can support small food gardens near the home
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Question 4 of 10

4. Question

Why is roof run-off often considered one of the cleanest sources of rainwater, if systems are well maintained?

Because it is mixed with river water
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Because it falls directly on a roof and is collected before running across the ground
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Because it is treated in a municipal plant
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Because it passes through garden soil first
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Question 5 of 10

5. Question

Match each part of a basic roof water harvesting system with its main function.

Sort elements

Catchment surface where rainwater falls
Channels that collect water along the edge of the roof
Carries water from the gutter to the tank or container
Stores water for later use

Roof	Correct Incorrect Correct answer

Gutters

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Downpipe

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Tank or drum

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Question 6 of 10

6. Question

In many households, how should stored roof water usually be prioritised?

First for irrigating large fields far from the house
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First for drinking and cooking (if safe), then for washing and small gardens
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Only for washing clothes and floors
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Only for watering trees
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Question 7 of 10

7. Question

Which of the following is a good safety practice for managing a roof water tank?

Leaving the tank open so it can collect more rain
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Connecting toilet pipes into the same tank to save space
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Keeping the tank covered with a secure lid to prevent animals, insects and children from falling in
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Never cleaning the gutters so they collect leaves for compost
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Question 8 of 10

8. Question

When using surplus roof water in small food gardens, which approach is recommended?

Watering any and all crops without planning
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Focusing on high-value beds close to the house and watering in the early morning or late afternoon
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Only watering lawns and ornamental plants
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Using roof water only during the rainy season
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Question 9 of 10

9. Question

Put these steps for starting a simple roof water harvesting system in a logical order, from first to last.

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Question 10 of 10

10. Question

Which statement best describes why it is important to combine roof water harvesting with good safety and maintenance?

Because the system will work without any maintenance
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Because clean, safely stored water can continue to benefit households and gardens over many years
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Because safety only matters at the start of the rainy season
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Because gutters and tanks cannot get blocked or dirty
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