Heat is obtained from different sources, both natural and artificial. The sun is the major natural source of heat. Other natural sources of heat are natural hot springs, biomass, coal, petroleum, and natural gas. Artificial sources of heat are those that are man-made. In chemistry laboratories, heat from various sources, especially artificial sources is used. When you light up the sources of heat, they produce heat and flames. The heat is needed to enable different chemical processes to take place during experiments.
What will i learn?
- The competencies developed will enable you to use heat from various sources appropriately.
- Exercise book, pen, pencil, ruler, silent room for studying
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Session 1: Heat sources
Preview 00:06:12
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Session 2: Flames
00:08:15
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Session 3: Bunsern bunner
00:10:11
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Session 4: Types of flames
00:07:44
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Session 5: Uses of flames
00:13:03
Dr. Mlelwa
Dr. Mlelwa is an experienced online tutor in biology and chemistry from ordinary level to advanced level. His highest level of education is two years of doctor of medicine (MD) at Muhimbili university of Health and allied science in from Nov 2018 to Sept 2020. There after he failed to continue with Doctor of Medicine Studies due to several reasons which are out of scope of this description. He started online teaching since January 2020 in his YouTube channel (Dr.Mlelwa Lectures) by that time he was still a medical student dreaming to become one among the best tutor in medical studies, that's why he called the channel Dr. Mlelwa Lectures, comparing to Dr. Najeeb Lectures who was one of his role mode. His good performance, being the second best boy in advanced biology examinations national wise in 2018, made him one among most interesting online tutor, having influence to different students inside Tanzania as well as abroad.
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