Botswana BGCSE Science Double Award (0569) study guide
Botswana BGCSE Science Double Award (0569) · Work through your exam, one topic at a time.
The BGCSE Science Double Award (syllabus 0569) is a Botswana General Certificate of Secondary Education qualification that counts as two science subjects in one award. It is designed for learners in senior secondary schooling who need a broad, balanced grounding in biology, chemistry and physics rather than a single specialism, and it supports progression to further study and to science-related work. The Botswana BGCSE Science Double Award (0569) study guide has 9 sections and about 2,657 words.
01Cells, Organisms and Life Processes
Every organism is built from cells. You must know the shared features of plant and animal cells (cell membrane, cytoplasm, nucleus, mitochondria, ribosomes) and the structures found only in plant cells (cellulose cell wall, chloroplasts, a large permanent vacuole).
336 words, about 2 min02Human Physiology
You must understand the circulatory system: the heart as a double pump, arteries carrying blood away from the heart, veins returning it, and capillaries allowing exchange with tissues. Blood transports oxygen, nutrients, carbon dioxide, hormones and heat.
299 words, about 1 min03Health and Reproduction
You must distinguish sexual from asexual reproduction. Sexual reproduction involves gametes and fertilisation, producing variation; asexual reproduction produces genetically identical offspring.
261 words, about 1 min04Ecology, Environment and Conservation
You must understand the terms habitat, population, community and ecosystem, and how organisms depend on each other. Food chains and webs show energy flow; energy is lost at each trophic level through respiration, movement and excretion, which is why pyramids of energy narrow upward.
251 words, about 1 min05Materials, Atomic Structure and Bonding
You must understand the particle model: solids, liquids and gases differ in arrangement and movement of particles. Changes of state involve energy but not a change in substance.
284 words, about 1 min06Chemical Reactions, Acids, Bases and Salts
You must recognise and write equations for common reactions: combustion, oxidation, neutralisation, displacement, decomposition and thermal decomposition. Balance symbol equations so atoms are conserved.
256 words, about 1 min07Metals, Earth Resources and Industrial Processes
You must know the reactivity series and use it to predict displacement reactions and methods of extraction. Metals above carbon are extracted by electrolysis; metals below carbon by reduction with carbon.
252 words, about 1 min08Forces, Motion and Energy
You must understand scalars and vectors, balanced and unbalanced forces, friction, weight and mass. Weight is a force measured in newtons and depends on gravity; mass is the amount of matter in kilograms.
247 words, about 1 min09Waves, Electricity, Magnetism and Radioactivity
You must know transverse and longitudinal waves, amplitude, wavelength, frequency and wave speed. Use wave speed = frequency × wavelength.
471 words, about 2 min