Skin and temperature regulation – Upper primary science
Temperature regulation The body temperature must be kept constant because enzymes work best within narrow temperature range. At very low temperature enzymes are inactive whereas ... Read More
Gaseous exchange – Upper primary science
Gaseous exchange Animals take in air in order obtain oxygen for respiration. Respiration is the burning or oxidation of food in the body to obtain ... Read More
Excretion – upper primary science
Excretion This is the removal of metabolic waste products from the body Example of excretory product Carbon dioxide Ammonium excretory product ( ammonia, urea and ... Read More
Ear, nose, tongue – upper primary Science
The human Ear The mammalian ear has three major functions Detecting sound through the cochlea Maintenance of body balance by the semicircular canal Equalize pressure ... Read More
Eye and camera – upper primary science
Eye The eye is a sense organ for sight. Since it uses light to function, it is called optical organ. The human eye is found ... Read More
Solubility calculations (O-level chemistry)
solubility calculation in mole concept Read More
PLE Integrated Science 2018
Well illustrated and explained revision video for integrated science PLE 2018 for primary seven, p7 Read More
Electric fields, Electric field pattern, worked examples (A-level physics)
Electric field Al electric field is a region around an electric charge where an electric force is experienced. This can be mapped out by electrostatic ... Read More
Aromatic or benzene compounds
reaction of benzene with nitric acid, reactions of benzene with sulphuric acid, reactions of benzene with alkyl halide, reaction of benzene with halogen in present ... Read More
Calculation involving s.t.p and r.t.p in ordinary level chemistry- video
Calculations involving standard temperature and pressure (s.t.p) and room temperature and pressure (r.t.p) Read More
Electrostatics (A-level physics)
Electrostatics This is the study of electrical charges at rest. There are two kinds of charges i.e., unlike charges which attract and like charges which ... Read More
Pressure in liquids, density, viscosity, Bernoulli’s principle ( A-level physics)
Pressure in liquids This is the force exerted normally per unit area. The SI units of pressure of liquids are Nm-2 or Pascals (pa) The ... Read More
Classification of organism – S1 biology lesson 4
S1 biology lesson 4 Classification of organism and importance of classification Read More
Makerere song by Dr Bbosa Science
S1 biology lesson 3 Defines a cell, gives drawings of plant and animals, gives differences between plant and animal cells. Appeals to University students to ... Read More
Dissection of cockroach 2 by Dr. Bbosa Science
https://www.youtube.com/watch?v=ajIaRAylVDo ecology, adaptation of parts to ecology and internal systems (digestion, excretion and reproduction) Read More
what is biology?
characteristics of living things, s1 biology, Bbosa Science Read More
Period 2 elements
chemistry of period 2 elements and diagonal relationships for Advanced Level students Read More
Period 3 elements
chemistry of period 3 for Advanced level students Read More
Transition elements Iron By Dr Bbosa Science
properties of iron such reaction with air, water, chlorine acid, qualitative analysis, the stability of oxidation states 2 and 3 Read More
Vapor pressure and Raoult’s Law By Dr Bbosa Science
Suitable for Advance level students tacking physical chemistry: the video describe how to use Raoult's laws to calculate the composition and vapour pressures of components ... Read More
Cobalt and nickel By Dr Bbosa Science
describes physical and chemical properties of cobalt and nickel Read More
Bonding By Dr Bbosa Science
Describes ionic, covalent, dative bonds, bond polarity and polarization of bonds suitable students taking chemistry at advanced level of education Read More
Group 4 lesson 2 of 2 By Br Bbosa Science
A level chemistry, describes physical and chemical properties of group 4 elements Read More
Deviations from Raoults law
A-level Physical chemistry Uganda : describes deviations from Raoult's law with worked examples Read More
Periodic Table by Dr Bbosa Science
Describes variation of electronegativity, electropositivity, atomic radii, ionization energies, electron affinities and melting points in the periodic table Read More
Transition elements Maganese By Dr Bbosa Science
physical and chemical properties of manganese, reaction with water, air, oxidation properties of manganese VII, confirmatory tests of manganese II ions Read More
Phase Equilibria
Phases and factors affecting the phase of a substance, physical chemistry A-level. Read More
Group 4 lesson 1 of 2 By Br Bbosa Science
Describes the physical and chemical properties of group 4 elements Read More
Buffers by Dr Bbosa Science
physical chemistry buffers definition, worked examples for higher education Read More
Hydrolysis of salts By Dr Bbosa Science
physical chemistry; hydrolysis of salts for A-level students Read More
Equilibrium constants Ka, Kb, Kw By Dr Bbosa Science
physical chemistry calculation involving equilibrium constant, Ka, Kb, KW Read More
Acid base indicators and pH titration curves
Physical chemistry for A level students especially for those for UACE exams in Uganda Read More
Carboxylic acids 1 By Dr Bbosa Science
properties, preparation and reactions of carboxylic acid for A-level student Read More
Solubility products, Ksp
Calculating solubility product, common ion effect Read More
Alkanes part 1 of 2 by Dr. Bbosa Science
https://www.youtube.com/watch?v=8gYP0t3Mj78 General formula, nomenclature, sources, reactions, methods of preparation Read More
AMINES BY DR BBOSA SCIENCE
classification, methods of preparation, chemical properties Read More
Colligative properties Freezing point depression by Dr Bbosa Science
https://www.youtube.com/watch?v=jfJxalZAGT0 colligative properties giving example. discusses freezing point depression with worked examples, limitations of colligative properties Read More
Thermodynamic part 2 of 2 (questions and answers) by Dr. Bbosa Science
worked examples to thermodynamics question Read More
Alkylhalide part 2 of 2 By Dr. Bbosa Science
Reactions of alkyl halides Read More
Reaction of amines1 A level By Dr Bbosa Science
reactions of amines in A-level organic chemistry Read More
Alcohols part 1 of 2 properties and synthesis
nomenclature, properties, synthesis Read More
Carbonyl Compounds by Dr Bbosa Science
Nomenclature, preparation of carbonyl compound, reaction, ketones and aldehydes Read More
Colligative properties Osmotic pressure by Dr Bbosa Science
osmotic pressure and calculation Read More
Electrolysis (O and A level) by Dr Bbosa Science
mechanism of electrolysis, factors affecting selective discharge, application of electrolysis, extraction of sodium, preparation of sodium hydroxide, Faraday's laws of electrolysis Read More
Electro-conductivity A level By Dr Bbosa Science
the resistance of the electrolyte, the resistivity of electrolyte, the conductivity of electrolytes, molar conductivity, molar conductivity at infinite dilution, conductometric curves Read More
Chemical kinetics lesson 1 of 2 by Dr Bbosa Science
Rate, rate law, rate equation, the rate constant, the order of reaction with worked examples Read More
Redox calculations for potassium permanganate, oxalate ions, hydrogen peroxide
provide examples of redox calculations Read More
Structure of solids by Dr Bbosa Science
molecular, ionic, atomic and metallic solids Read More
Transition Elements lession 2 of 4 by Dr Bbosa Science
Describes the chemistry of transition elements; vanadium, chromium and cobalt Read More
PLE science 2017 section B revision
Revision video for PLE integrated Science 2017 Read More
PLE science 2017 section A
PLE science 2017 section A Read More
PLE 2012 integrated Science
Revision of primary leaving integrated science 2012 Read More
PLE science 2016 section A -video
Revision of PLE integrated Science 2016 section A Read More
