How a detergent lifts dirt
Home Science · Grade 10 · about 40 minutes
The two ends of a detergent molecule, why agitation and soaking help, and why rinsing is part of the cleaning.
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- 6 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Why laundry work matters
- Soaps and soapless detergents
- How a detergent lifts dirt
- Laundry agents and what each does
- Hard and soft water in laundry
- Laundry tools and equipment
- The seven laundry processes
- Sorting before washing
- Treating stains
- Washing methods for different fabrics
- Rinsing and drying
- Finishing: airing, ironing and storing