By M. Bharath and P. S. Nandini
The Regional Level Science Exhibition, organised by the CBSE, was held at The Hindu Senior.Secondary.School, Indira Nagar, Adyar on Aug. 10 and 11.
Around 42 schools from Andhra Pradesh and 30 schools from Tamil Nadu took part in this exhibition. The event was conducted with a view to inculcate the scientific mind in students.
The students were given four themes, namely Disaster Management, Combating climate change, Harnessing energy and Mathematical modeling.
Visitors and students enthusiastically exchanged views on the subjects and the concepts behind the models displayed at the exhibition.
The chief guest on the first day was Dr. P. .Iyamperumal, Executive Director, TN Science and Technology Centre. N. Nagaraju Joint secretary, regional office, CBSE Chennai, B.S. .Raghavan. IAS and retd. president of the Hindu Educational Society, Sri Narayana Ramaswamy and Padmini Sriraman principal of The Hindu.Senior.Secondary.School were also present during the inauguration.
Kola Perumal Chetty Vaishnav Senior Secondary School did a project about bio-diesel. Shree Saraswathi Vidhyaah Mandheer, Mettupalayam did their project about getting energy from the pungamia plant and pungam fruit.
The project of SRDF Vidyalaya, Chrompet was about getting biogas from cow dung. They had a big metal model, weighing about 100 kgs which cost them about Rs.10,000. They said that in their school they had two separate dustbins, one for plastic and papers and another one for food waste. And the food waste is put inside the machine and the biogas is separated from the other wastes which go to the bottom of the digester and comes out through a pipe. They said that they used this in their school as fertilizers for plants that they grew around in their school. And the biogas can be stored and used as fuel.
Kola Perumal School did a project about a solar tower which would be conical in shape. The base’s diameter should be 1 km and the tower’s height should be 5 km. These towers should be constructed in deserts.
The other projects were titled ‘Treat Nature Naturally’, ‘Best out of e-waste’, ‘Temperature control and management’, ‘Reed beds’, ‘Eco-friendly Potato Plastic’, ‘Green Building’, ‘Climate Chaos’, etc.
The Chief Guest for the final day of the exhibition was Dr. M. Chandra, Director, Satish Dhawan Space Centre, Sriharikota.
A mini planaterium was displayed by Periyar Institute of Science (Birla Planetarium) and it was the highlight of the two day event which drew the attention of large number of visitors.