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In this activity, we investigate dams as part of a Stage Three Science unit of work. Dams play a pivotal role on farms as they provide a water source for stock. In many cases, sustainability of dams is not taken into consideration and may not be a high priority. In this activity, we examine how we can look after dams and keep them healthy for future generations.
In the initial investigations of dams, students may discover the concept of single entry points for stock. This ensures that stock can only access the dam from one entry point. This resuces the amount of erosion that occurs around the dam and allows plants and shrubs to grow around the dam. Certain plants act as filters and can contribute to improved water quality.
After our initial investigations, students can use an application like CoSpaces to create a 3D model of what their farm and dam/waterway could look like. This will assist students to gain a deeper understanding of the concept using 3D modelling software.
In this activity, students design and create an automatic gate using Lego Spike. This gate could be a prototype for a gate that could be controlled by a farmer remotely. This would allow a farmer to close off a particular dam to give it time to regenerate without leaving the house.
Prior to starting this activity, students should have opportunities to use the Lego Spike kits in a sandbox environment to further develop their confidence.
Suggested Syllabus Outcomes Stage Three (Science and Technology)
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