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ZIMSEC · Form 4 · Syllabus 4003

Combined Science

6 topics6 with notes5 past papers

Form 4Writing O Level finals this year?Revision mode: every Combined Science past paper by year, with marking schemes, and a checklist of the whole syllabus.
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  1. Reproduction, growth and health Reproduction in flowering plants The stamen (anther and filament) makes pollen, the male gamete.The carpel (stigma, style and… Notes 1 PDF
  1. Ecosystems and the environment An ecosystem is a community of living things interacting with each other and with their non-living environment. Notes 1 PDF
  1. Acids, bases and salts acid + base → salt + water Notes 1 PDF
  2. Metals, non-metals and chemical reactions From most to least reactive: potassium, sodium, calcium, magnesium, aluminium, (carbon), zinc, iron, lead, (hydrogen), copper, silver, gold. Notes 1 PDF
  3. Electricity and magnetism Use fuses and circuit breakers, earth wires on metal appliances, and never touch switches with wet hands. Don't overload sockets. Notes 1 PDF
  1. Heat, light and waves Uses: a vacuum flask reduces all three; houses are painted white to stay cool. Notes 1 PDF