Rusting iron nails. Image credit corrosionist.com ZIMSEC O Level Combined Science Notes: Experiment: Investigating the corrosion of plated of plated iron
Aim: To investigate the corrosion of iron
Materials: ferroxyl indicator (turns blue when iron rusts), iron nails, sand paper, magnesium ribbon, zinc, copper, five test tubes, paint
Method
Raw Coke. Image credit MedialWiki ZIMSEC O Level Combined Science Notes: The manufacture of coke at Hwange
Demostrating static electricity using a comb. Image credit alinasadventuresinhomemaking.com ZIMSEC O Level Combined Science Notes: Electrostatics/Static Electricity
A simple cell in action ZIMSEC O Level Combined Science Notes: Experiment: Changing chemical energy into electrical energy
Aim: To change chemical energy into electrical energy using a simple cell
Materials: 10 cm magnesium ribbon, strip of copper foil, dilute sulphuric acid/ethanoic acid, ammeter/lamp/torch bulb,connecting leads with crocodile clips, […]
The Power Grid. Image credit source.co.zw ZIMSEC O Level Combined Science Notes: Transmission of electricity
A girder bridge made of trusses. Image credit luetke-modellbahn.de ZIMSEC O Level Combined Science Notes: Uses of Trusses
A simple bridge. Image credit pinimg.com ZIMSEC O Level Combined Science Notes: Introduction to bridges
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ZIMSEC O Level Combined Science Notes: Pressure in liquids and the manometer
ZIMSEC O Level Combined Science Notes: Methods of food Preservation
To access more topics go to the Combined Science Notes page
Image credit atlantablackstar.com ZIMSEC O Level Combined Science Notes:Contraception:Rhythm/Natural Family Planning
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