Skin and temperature regulation – Upper primary

05/30/2020 0

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

05/30/2020 0

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 (Science for upper primary)

05/30/2020 0

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 (Science for upper primary pupils)

05/30/2020 0

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 (science upper primary)

05/30/2020 0

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

PLE Integrated Science 2018

05/23/2020 0

Well illustrated and explained revision video for integrated science PLE 2018 for primary seven, p7 Read More

Electric fields, Electric field pattern, worked examples

05/21/2020 0

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

Molarity

05/20/2020 1

Addition examples of calculations involving molarity Read More

Aromatic or benzene compounds

05/20/2020 2

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

05/20/2020 0

Calculations involving standard temperature and pressure (s.t.p) and room temperature and pressure (r.t.p) Read More

Enthalpy of reactions in O-level chemistry video

05/20/2020 0

Calculations involving heat combustion, heat of reaction and heat of neutralization in ordinary level chemistry. Experiment to determine heat of combustion Read More

Electrostatics

05/19/2020 1

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

05/13/2020 1

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

05/08/2020 0

S1 biology lesson 4 Classification of organism and importance of classification Read More

Makerere song by Dr Bbosa Science

05/08/2020 0

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

05/08/2020 0

ecology, adaptation of parts to ecology and internal systems (digestion, excretion and reproduction) Read More

what is biology?

05/08/2020 0

characteristics of living things, s1 biology, Bbosa Science Read More

Period 2 elements

05/08/2020 0

chemistry of period 2 elements and diagonal relationships for Advanced Level students Read More

Period 3 elements

05/08/2020 2

chemistry of period 3 for Advanced level students Read More

Transition elements Iron By Dr Bbosa Science

05/08/2020 0

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

05/08/2020 0

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

05/08/2020 0

describes physical and chemical properties of cobalt and nickel Read More

Bonding By Dr Bbosa Science

05/08/2020 0

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

05/08/2020 0

A level chemistry, describes physical and chemical properties of group 4 elements Read More

Deviations from Raoults law

05/08/2020 0

A-level Physical chemistry Uganda : describes deviations from Raoult's law with worked examples Read More

Periodic Table by Dr Bbosa Science

05/08/2020 0

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

05/08/2020 0

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

05/08/2020 0

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

05/08/2020 0

Describes the physical and chemical properties of group 4 elements Read More

Buffers by Dr Bbosa Science

05/08/2020 0

physical chemistry buffers definition, worked examples for higher education Read More

Hydrolysis of salts By Dr Bbosa Science

05/08/2020 0

physical chemistry; hydrolysis of salts for A-level students Read More

Equilibrium constants Ka, Kb, Kw By Dr Bbosa Science

05/08/2020 0

physical chemistry calculation involving equilibrium constant, Ka, Kb, KW Read More

Acid base indicators and pH titration curves

05/08/2020 0

Physical chemistry for A level students especially for those for UACE exams in Uganda Read More

Carboxylic acids 1 By Dr Bbosa Science

05/08/2020 0

properties, preparation and reactions of carboxylic acid for A-level student Read More

Solubility products, Ksp

05/08/2020 0

Calculating solubility product, common ion effect Read More

Alkanes part 1 of 2 by Dr. Bbosa Science

05/08/2020 0

General formula, nomenclature, sources, reactions, methods of preparation Read More

AMINES BY DR BBOSA SCIENCE

05/08/2020 0

classification, methods of preparation, chemical properties Read More

Colligative properties Freezing point depression by Dr Bbosa Science

05/08/2020 0

colligative properties giving example. discusses freezing point depression with worked examples, limitations of colligative properties Read More

Carbonyl Compounds by Dr Bbosa Science

05/08/2020 0

Nomenclature, preparation of carbonyl compound, reaction, ketones and aldehydes Read More

Electrolysis (O and A level) by Dr Bbosa Science

05/08/2020 0

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

05/08/2020 0

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

05/08/2020 0

Rate, rate law, rate equation, the rate constant, the order of reaction with worked examples Read More

Transition Elements lession 2 of 4 by Dr Bbosa Science

05/08/2020 0

Describes the chemistry of transition elements; vanadium, chromium and cobalt Read More

PLE science 2017 section B revision

05/08/2020 0

Revision video for PLE integrated Science 2017 Read More

PLE 2012 integrated Science

05/08/2020 0

Revision of primary leaving integrated science 2012 Read More

PLE science 2016 section A

05/08/2020 0

Revision of PLE integrated Science 2016 section A Read More