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10 November 2023 | Story Ouma Ngoepe | Photo SUPPLIED
Liezl Geldenhuys (ZZ2), Mellisa Pringle (Lasec), Ouma Ngoepe (CMBG), Prof Maryna de Wit (SFSD), Dr Mariana Erasmus (CMBG), Bernadine Taljaard (ZZ2), Khezwo Nematshema (SFSD), Shahiëda Cloete (SFSD), Jan Andries Viktor (SFSD), Vuyelwa Nkoi (SFSD).
Liezl Geldenhuys (ZZ2), Mellisa Pringle (Lasec), Ouma Ngoepe (CMBG), Prof Maryna de Wit (SFSD), Dr Mariana Erasmus (CMBG), Bernadine Taljaard (ZZ2), Khezwo Nematshema (SFSD), Shahiëda Cloete (SFSD), Jan Andries Viktor (SFSD), Vuyelwa Nkoi (SFSD).

The Centre for Mineral Biogeochemistry (CMBG) at the University of the Free State (UFS) was part of another successful Tritech National Science and Technology Fair 2023 – an exciting STEM (Science, Technology, Engineering, and Mathematics) research competition.

The UFS has partnered with Tritech and other sponsors since 2021 to bridge the gap between high school and tertiary education. Tritech, which started in 2008 and is open to all Grade 7-12 learners, aims to equip them for tertiary education by introducing them to scientific research and incorporating modern technology in research. This is an annual competition that starts at the regional level and goes all the way to the national level, with the national competition held at the Merensky High School, in Tzaneen, Limpopo from 20-21 October 2023.

Schools from across the country take part in the fair, but learners compete in groups rather than schools. 

Every year the Tritech Nationals are divided into four main activities over the weekend: 
  1. On the Friday afternoon the learners present their STEM projects in which they have identified a problem in a community, do research to find a solution, do experiments to test if the solution will solve the problem, then test the solution in the community, and lastly, present their findings to a group of judges and learners in similar fields. Fields include Life Sciences, Engineering and Design, Maths, Science and Technology, Environmental and Social Sciences, Health Sciences and Agricultural Sciences.
  2. Friday evening is usually a fun activity for the learners.
  3. On Saturday morning the learners are exposed to work-related activities that give them insight into professions they could pursue in the science field. This activity is sponsored and presented by the UFS. 
  4. The last activity of the weekend is the prize-giving on Saturday afternoon where the learners get rewarded for the quality of their projects and honour, celebrate, and encourage excellence. 

“Every year the CMBG includes different departments from the UFS in alignment with the theme for the event, to ignite a lasting passion for innovation toward promising careers in the STEM fields. In 2022 the theme for Tritech was “Crime Scene Investigators” and the CMBG team created a very realistic crime scene and laboratory setup to teach the learners about Forensic Science. The learners scored our CSI activity as the best for the weekend and we knew that for the 2023 Nationals, we had our work cut out to do even better,” says Dr Erasmus. 

Learning about food health and safety

This year, Prof Maryna de Wit and her students from the Department of Sustainable Food Systems and Development (SFSD) joined the CMBG team, to introduce learners to food health and safety, food preservation, food systems and development, as well as sensory analyses. 

Island, shipwrecks, and wilderness survival

Dr Mariana Erasmus, Deputy Director of the Centre for Mineral Biogeochemistry (CMBG), spearheads the Tritech team from the UFS. CMBG, as part of its community outreach programme, is not only a sponsor of the event but is also the organiser of the main activity together with another UFS department. 

Dr Erasmus says the theme for Tritech 2023 was “Survival MasterChef”, where for the two activity events, the Tritech learners were “stranded” on an island. This exercise was a great way to promote leadership qualities, encourage creativity and confidence, promote teamwork and active communication, and increase critical thinking in learners, while they got to know more about food health and safety practices.

“It was all island, shipwrecks, and wilderness survival at this year’s event where learners had to survive after being ‘stranded’ on an island. To escape, the learners had to build a boat and while they waited to be rescued, they needed to adapt to island life to survive by preparing healthy meals, as well as preparing meals and drinks to treat dehydration and scurvy,” says Dr Erasmus. 

“During the prize-giving, some of the learners received shadowing opportunities at the UFS and other sponsors to advance their education. Bronze, silver, and gold medals, together with participation certificates, were awarded to other deserving learners.” 

News Archive

One, two, three – is your thesis done?
2016-08-26

Description: three-minute-thesis  Tags: three-minute-thesis

Winners of the UFS Three-Minute-Thesis competition.
From the left: Thutukile Jita, Natural/Social Sciences
PhD winner; Saheed Sabiu, Natural/Health Sciences
and audience-favourite PhD winner;
Matseliso Mkotywa, master’s audience-favourite
winner; Zingisile Mbo, Natural/Health Sciences
master’s winner.
Photo: Charl Devenish

“Next time you have three minutes to spare, try to formulate your master’s or doctoral thesis,” says Dr Henriëtte van den Berg, Director of the Postgraduate School at the University of the Free State (UFS).

The much anticipated Three-Minute-Thesis (3MT) Competition took place at the UFS Bloemfontein Campus on Friday 19 August 2016. Diverse and interesting research projects were discussed, giving one a glimpse into months and even years of hard work and dedication.

A learning opportunity for candidates
The 3MT competition is an international event founded at the University of Queensland, Australia. It is divided into master’s and PhD categories.  At the UFS competition, the master’s section was dominated by the Medical and Natural Sciences, in contrast with the PhD section’s focus on Social Sciences. “The competition is a learning opportunity for our UFS candidates,” says Dr Henriëtte van den Berg.

Thought-provoking research presented
Interesting methodologies and research questions sustained the academic excellence the candidates pride themselves in. Saheed Sabiu, PhD candidate and winner, constructed his thesis around, Waste to Health: Corn silk in the Management of Kidney Diseases. “Use corn silk (white fibre around corn) in the same manner as a tea bag, to help manage kidney diseases,” says Sabiu.

Audience members also had the opportunity to ask the candidates questions relating to their thesis topic.

Winners at the event:
•    Master’s winner: Zingisile Mbo
•    PhD winner: Natural/ Health Science: Saheed Sabiu
•    PhD winner: Natural/Social Sciences: Thutukile Jita

The winners of each category received a cash prize and will represent the UFS at the national 3MT competition, hosted by the UFS in November this year.

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