Interactive Labs › Engineering challenges
EEngineering challengeBiologyMathematicsAgriculture
Engineering challenge: a sustainable school farming plot
The school farm must feed the canteen and earn money without harming the soil. Plan the crop, water and soil care for one season.
LevelS2 to S6 · teams of 3–4
Time2 lessons or a weekend project
SubjectsPhysics, Mathematics and more
PriceFree: no account
🎯 Aim
To plan a sustainable farm plot using water budgets (rain, mulch, irrigation), soil improvement (compost, rotation) and income calculations.
You will learn to
- Convert rainfall in mm to litres.
- Calculate crop water shortfall and irrigation.
- Explain compost, mulch and crop rotation.
- Calculate harvest, income and profit.
🧭 What to do
- Step 1: choose the plot area and the crop.
- Work through each numbered step: move the sliders and choose the options.
- Watch the drawing and the results change after every choice.
- Compare the options and their costs in the table and the chart.
- Answer the questions below, using 💡 Hint before the method.
- Justify your design in the last step, then download your design report.
🧠 Investigate: answer from your design
Type your answer and tap Check. Use 💡 Hint first; open the method only when you are stuck.
➕ Get more from this challenge
📝 Free
Print the worksheet (button above), download the data, and save your report. Teachers can project this page in class.
📦 Premium Lab Pack
1 000 RWF
- Team workbook for every design step
- Data and price list template
- Presentation and assessment rubric
- Teacher guide with a full model answer
👩🏫 For teachers
Use it as a practical when apparatus is missing, as homework, or as a project. Free lesson plans help you plan, teach and assess.
🔗 Related in the subjects