Farm Water Supplies
Overview
No crop grows and no animal thrives without water, yet rain rarely falls when and where a farm needs it. A reliable water supply, clean enough to drink and stored against the dry season, is one of the foundations of a productive farm. Get it wrong and stock go thirsty, milk yields fall and disease spreads through dirty drinking water; get it right and the farm keeps working through the driest months.
In this lesson you will learn where farm water comes from, for people, for livestock and for irrigation, and how to make it safe by settling and filtration. You will see how a storage dam is built to hold back water that pushes harder the deeper it gets, and how water is then stored in tanks and piped around the farm, down to fixing a leaking tap with a new washer.
Objectives
- (a) list suitable sources of water for human consumption, for livestock and for irrigation.
- (b) outline methods of water treatment by settling and filtration.
- (c) outline suitable methods of construction of storage dams to resist water pressure, which increases with depth.
- (d) describe the use of storage tanks, the distribution of water through pipe systems and simple plumbing, sufficient for maintaining a plastic pipe system, including pipe-joining and fitting of tap washers.
Lesson Note
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Lesson Evaluation
Congratulations on completing the lesson on Farm Water Supplies. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.
You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.
Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.
- Which source of water on a farm is usually the cleanest and best for people to drink with little treatment? A. A muddy river B. Clean rainwater from a roof C. A flooded field D. An open irrigation ditch Answer: B
- In water treatment, what is the purpose of settling? A. To kill all the germs B. To let suspended particles sink so clearer water can be drawn off C. To add minerals to the water D. To raise the water temperature Answer: B
- A dam wall is built thicker at the bottom than at the top because: A. Water pressure increases with depth B. It looks better C. Water is lighter at the bottom D. The top needs no support at all Answer: A
- Why is a farm storage tank often raised on a stand? A. To keep it cool B. To provide water pressure by gravity C. To stop rain falling into it D. To make it easier to fill by hand Answer: B
- Which simple repair stops a constantly dripping tap? A. Painting the tap B. Replacing the worn washer C. Removing the tap D. Adding more pipe Answer: B
Available on the Green Bridge App
Download the Green Bridge CBT app on your phone or computer to access full lesson notes, practice questions, and more.
Available on the Green Bridge App
Download the Green Bridge CBT app on your phone or computer to access full lesson notes, practice questions, and more.
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