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4.4 Making Homemade Soap
Agriculture · Grade 7 · 8 lessons in the design
What this covers
- Forms of soap at household level: liquid, cake/bar, paste, powder
- Natural ingredients: ashes, salt, water, animal fats, plant oils
- Safety with lye from ash leach (alkali)
- Making homemade soap and using it to clean
What you will be able to do
- identify the forms of soap used at the household level
- make homemade soap using natural ingredients
- embrace homemade soap for household use
Key questions
“How can we make soap using natural ingredients?”
Lessons
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Forms of household soap
40 min · 1 practice tasks · quizBrainstorm soap you actually use: bar or cake, liquid, paste and powder.
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Natural ingredients for soap
40 min · 1 practice tasks · quizAsh, water, salt, animal fat and plant oil are the design ingredients. Ash water will be lye: handle later under safety rules.
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Lye safety
40 min · 1 practice tasks · quizAsh leach is alkali. It burns. Adult zone, gloves, no taste, no aluminium, water to flush, never a drink bottle.
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Leaching ash
40 min · 1 practice tasks · quizWater through cold wood ash drips as lye. Learners may help with cold ash; the drip bowl is an adult zone.
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Fats and oils for soap
40 min · 1 practice tasks · quizUse clean rendered animal fat or spare plant oil. Not drain sludge, engine oil, or the house cooking oil taken without asking.
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Making bar soap
40 min · 1 practice tasks · quizAdult combines lye water and fat, optional salt, pours a mould. Learners line moulds and stay behind the line until the bar is cool and labelled.
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Liquid, paste and powder
40 min · 1 practice tasks · quizFrom a cooled safe bar, grate to paste, dilute to liquid, or dry to coarse powder. Label SOAP, never a drink bottle.
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Use homemade soap
40 min · 1 practice tasks · quizWash with the soap you made, store it labelled, and embrace making it again with the same lye rules.