The human digestive system. Image credit airurbano.com ZIMSEC O Level Combined Science Notes: Alimentary Systems
A celery plant in dye. Image credit wordpress.com ZIMSEC O Level Combined Science Notes: Investigating the movement of water within plants
Aim: To demonstrate that moves up plants which have a transportation system.
Materials: Young plants with roots/celery plants, water, hand lenses, razor blade/scalpel, food colouring/dye.
Method
The composition of blood. ZIMSEC O Level Combined Science Notes: Blood and its properties
Sand, Loam and Clay soil samples. Image credit ayersbasementsystems.com ZIMSEC O Level Combined Science Notes: Comparing the air content of soils
Materials: small tin cans, measuring cylinders, water, samples of clay, sandy and loam soils, hammer, nail
Method
The atomic structure of carbon. Image credit ucsb.edu ZIMSEC O Level Combined Science Notes: Structure of atoms: protons,electrons and neutrons
Protons and neutrons
Loading a beam ZIMSEC O Level Combined Science Notes: Loading a beam
Magnesium reacts with steam ZIMSEC O Level Combined Science Notes: Experiment: The reaction of metals and water
Aim: To investigate and observe the reaction of magnesium and water
Materials: magnesium ribbon, hard glass test tube, water, sand, 2 burners, short glass tube, splint, clamp stand
Method
Household goods that are bases. Image credit MediaWiki ZIMSEC O Level Combined Science Notes: Introduction to Bases
Steel beams. Image credit risleysteelservices.ca ZIMSEC O Level Combined Science Notes: Steel making
Tin plating is used in making food cans. Image credit alsagerfoodbank.org.uk ZIMSEC O Level Combined Science Notes: Summary of plating and its uses
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