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How does detergent affect the oil absorbency rate of Polypropylene Pads? Featured science projectScience project video


The readings in the table below are recorded during the experiment.

Type of detergent Mass of oil absorbed (g)
Tide 48.7
Wisk 46.5
Jet dry 44
Dawn dish soap 43.4
Control group 55.5

For Tide, the mass of oil absorbed is 48.7g.
For Wisk, the mass of oil absorbed is 46.5g.
For Jet dry, the mass of oil absorbed is 44g.
For Dawn dish soap, the mass of oil absorbed is 43.4g.
For the control group, the mass of oil absorbed is 55.5g.

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Complexity level:
Project cost ($):
Time required:
15 minutes preparation time, 15 minutes to observe
Material availability:
Polypropylene pads should be available at hardware shops. If not, students can purchase it in bulk from the supplier. Detergents are available in almost supermarket. Engine oil is available at nearby petrol kiosks and in some supermarkets/hardware stores.
Safety concerns:

Teacher supervision required. Beware of highly flammable oils. Gloves and safety goggles should be worn at all times for safety reasons.