Category: General

Polymerization of alkene

07/09/2021 0

Polymerization of alkene This is the is the joining of very many small molecules called monomers to form big molecules called polymers In presence of ... Read More

Laboratory preparation of alcohols

07/09/2021 0

  Please Subscribe to promote this website. Subscription is free Share with a friend Your comment is valuable Thank you so much Read More

Agriculture revision questions for agriculture 2 with answers

06/16/2021 0

Agriculture revision questions for agriculture 2 with answers Agricultural Economics 2021 By Mungudit Davious Munguthdavious800@gmail.com +256 394847/7531322587 (a) Describe the factors affecting labor efficiency (10marks)) ... Read More

Sex limited characters

06/05/2021 0

Sex limited characters These are characters that that show up exclusively in one sex only e.g. ovary in female alternatively testes are found in male ... Read More

Enthalpy of neutralization

05/28/2021 0

Enthalpy of neutralization This refers to enthalpy change for the formation 1 mole of water is formed from hydrogen and hydroxide ions H+(g) + -OH(aq) ... Read More

Mechanism of buffers

05/28/2021 0

Mechanism of buffers Consider a hypothetical weak acid, HA, in a solution with it salt MA. In this solution, HA, will be very slightly dissociated ... Read More

Describe the process of extraction of zinc from its ore

05/22/2021 0

Ores of Zinc zinc blende, ZnS calamine, ZnCO3 Extraction of Zinc from zinc blende Concentration of the ore by floatation method The finely pulverized ore ... Read More

Structure of cardiac muscle.

05/01/2021 0

Structure of cardiac muscle. This consists of a network of branched muscle fibers in the walls of the heart. The fibers are short, cylindrical, branching ... Read More

Distinguish between hybrid and hybrid vigour

04/27/2021 0

Differences between hybrid and hybrid vigour A hybrid is an offspring of a cross between two closely related but genetically distinct populations. A hybrid vigour, ... Read More

Adaptations of xerophytes to their ecology

04/18/2021 0

Adaptations of xerophytes to their ecology Xerophytes live in dry condition such as the desert. These plants run the risk of drastic dehydration and must ... Read More

Importance of bacteria

04/11/2021 0

Importance of bacteria Cause decay and recycling of matter Symbiotic bacteria in intestine synthesize vitamin B12 while those I herbivores produce enzyme cellulase to digest ... Read More

Modification of parenchyma tissue to suit its functions.

04/11/2021 0

Modification of parenchyma tissue to suit its functions. It forms irregular cells with storage granules and wide triangular intercellular spaces in the central pith of ... Read More

Derive an expression for focal length of a lens in terms of radii of curvature of its surfaces and its refractive index.

04/10/2021 0

Derive an expression for focal length of a lens in terms of radii of curvature of its surfaces and its refractive index. Consider a ray ... Read More

What is meant by interference and diffraction of light waves?

04/07/2021 0

What is meant by interference and diffraction of light waves? Diffraction is the spreading of light beyond the geometrical shadow leading to interference pattern just ... Read More

Explain why the amplitude of a wave goes on decreasing as the distance from the source increases

04/07/2021 2

Explain why the amplitude of a wave goes on decreasing as the distance from the source increases As the wave progresses, energy is continuously absorbed ... Read More

Derive the relationship between velocity, wavelength and frequency of a wave

04/03/2021 0

Derive the relationship between velocity, wavelength and frequency of a wave (03marks)   Consider a wave moving with speed, V. if in time T it ... Read More

Describe an experiment to determine the velocity of sound in air by an interference method. (06marks)

04/02/2021 0

Two small loud speakers a and b about 1m apart are connected to the same oscillator so that both emit sound waves of frequency, f, ... Read More

Optical instruments

03/26/2021 0

Optical instruments An optical instrument is a device that aids vision working on the principles of reflection and refraction of light. Examples are the human ... Read More

Plants -upper primary

06/27/2020 0

PLANTs Plants are living things. As living things, plants show characteristics shown by other living things. Characteristic of living things Plants grow. They reproduce through ... Read More

Food and nutrition – upper primary

06/15/2020 0

Foods Food is a solid or liquid that is taken through eating or drinking to provide necessary nutrients to the body. Nutrition is the process ... Read More

Nervous system -Upper primary

06/05/2020 0

Coordination   and control in animals Coordination means to cause the part to function together or in proper order. Coordination and control in animals is performed ... Read More

CURRICULUM VITAE FOR DR BBOSA SCIENCE

05/07/2020 10

CURRICULUM VITAE Dr. Bbosa David Science NIN: CM70032106MGSF Voter’s number: 6436201 Polling station: KiwangaLwanda All Saint’s Church Brief resume Dr. Bbosa David Science is a ... Read More

Dr. Bbosa Entertainment Series

04/09/2020 0

https://youtu.be/hPa0ve4bUrk https://youtu.be/e_8xizIJ7dw https://youtu.be/Sf1WcGMstGw https://youtu.be/9A8kwnIsRkY https://youtu.be/jnyqzaWRK0c https://youtu.be/l5EXmgz3C5g https://youtu.be/Z5dHE4lOcdE https://youtu.be/ENBnfp-rH3k   Read More

ple 2015 integrated Science

04/09/2020 0

A revision video for PLE 2015 integrated science, well-illustrated for easy understanding Read More

Dissection by Dr. Bbosa Science

04/09/2020 2

https://youtu.be/Lh_O5SA-zpM https://youtu.be/ajIaRAylVDo https://youtu.be/vwr8R30RMzY Read More

Join Us Today

04/09/2020 1

Digital Teachers is a free online teaching platform for both students and teachers especially students who are struggling with mathematics and other science subjects. Read More

Science Foundation College

04/09/2020 1

The Digital teachers in conjunction with The Science Foundation College are determined to attract students to science subjects through Print, Science videos and Music. This ... Read More

Why Digital Teachers?

04/09/2020 0

Online education is a natural fit for today’s teens. High school students have grown up with the Internet, and they use technology to connect with ... Read More

Digital Teachers

04/09/2020 0

Our teachers are all qualified teachers with experience in both examinations for years and they are sourced from different parts of the country Read More

Reactivity series (o-level chemistry)

04/09/2020 0

Reactivity series: Some metals are more reactive than others. A list of metals with the most active at the top and the least active at ... Read More

Geometrical optic, prisms (A-level)

03/17/2020 0

Deviation of light through a prism The angle of deviation caused by the prism is the angle between the incident ray and the emergent ray. ... Read More

Principles of refraction , refraction through a glass block and liquids

03/13/2020 9

Refraction at plane surfaces Refraction is the bending of light at an interface between two media of different optical densities or it is the change ... Read More

Copper and its compounds

02/27/2020 1

  Copper and its compounds The electron configuration of copper 4s13d10 Properties of copper as a transition element Forms colored compounds; for instance Cu2+ is ... Read More

Manganese and its compounds

02/27/2020 0

Manganese and its compounds The electron configuration of manganese 4s23d5 Properties of manganese as a transition element Forms colored compounds; for instance, Mn7+ is purple ... Read More

Chromium and its compounds

02/27/2020 0

Chromium The electron configuration of chromium. 4s13d5 Characteristic of chromium as a transition element Forms colored compounds; for instance, Cr3+ is green Has variable oxidation ... Read More

Group 2 elements (berylliun, magnesium, calcium, barium)

02/25/2020 3

Group 2A: The alkaline earth metals. The members of group 2A or the alkaline earth metals are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), ... Read More

Molecular structures (shapes molecules)

02/24/2020 0

Molecular structures (shapes molecules) This chapter provides the principles used to predict the shapes of molecules of different compounds. Understanding molecular shapes is very vital ... Read More

Period II, diagonal relationship

02/24/2020 5

Diagonal relationship This is the similarity in chemical properties between elements in the second period with elements which are lying to their right in the ... Read More

Periodic Table (A-level)

02/22/2020 0

The Periodic Table (PT) The periodic table is a tabular arrangement such that the columns contain elements with electronically similar atoms. The rows of the ... Read More

Bonding, A-level

02/21/2020 0

Chemical bonding This chapter teaches the different types and names of bonds that exist in substances that keep their constituent particles together. We will understand ... Read More

Eutectic mixtures

02/19/2020 0

Eutectic mixtures These are mixtures which at constant pressure freeze at a constant temperature to give a solid of the same composition. Similarities between a ... Read More

Phylum protozoa, amoeba

01/28/2020 0

Phylum protozoa Examples; amoeba, Euglena, paramecium, and trypanosome Characteristics they are single-celled. they are microscopic they reproduce by means of binary fission. they move by ... Read More

Viruses

01/27/2020 0

Viruses Specific objectives Describe the general structure of a virus Explain characteristic of viruses Describe economic importance of viruses Outline methods of preventing the spread ... Read More

Chemicals of life

01/23/2020 4

Chemicals of life Overview All cells are made up of a variety of substances some of which organic while others are inorganic. Water forms the ... Read More

Partnership

11/17/2019 0

Digital Teachers Uganda(www.digitalteachers.co.ug) has partnered with Science Foundation College, instructors in higher education in Uganda to support and enhance education delivery through a free web-based ... Read More

History

11/15/2019 1

Over the years, a large number of students have been failing Sciences Subjects due to the negative attitude they have towards the discipline. Before the ... Read More