Science & Technology

In an article published in the November 2016 issue of At Right Angles we had seen how geometrical fractal constructions lead to algebraic thinking. The article had highlighted the iterative construction processes, which lead to the Sierpinski triangle and the Sierpinski Square carpet. Further the idea of self-similarity within these fractals was reinforced through the recursive and explicit relationships between various stages of the fractal constructions.

I am sharing my experience of seven Science Fairs which were held in different schools of Malpura block in 2019 and which was inspired by one Science Fair held in 2018 (Malpura). The best part of these fairs was the deep involvement of the Science teachers from all these schools.

The interesting nature of magnets attracts everyone, from playing with magnets for fun to using appliances with magnets, we find them everywhere around us. Our students usually have some experience around magnets, here is a lesson plan which can guide them through the nature and properties of magnets including their uses.

This electric motor boat is easy to make and can be seen sailing in a bath tub or a small pond.

Materials Required:

two plastic bottle, two pencils (find used pen instead or bamboo stick of same size), hard cardboard (instead of popsicles), a small dc motor, propellor (you can make yourself with a plastic bottle), cello tape, soldering iron, glue (fevibond will work)

Insects are everywhere in our life. Often we ignore them either because they are too small or too common. Through this series of activities we focus on children's observation skill and guide them to find out common insect's role & function in our surroundings. Children can understand all insects are neither harmful nor do they disturb us and many insects are helpful for us especially in organic farming / gardening.

It is said that India has about 2,500 species of fish which are 11.7% of fish species in the world. Among India, as Bengal is called ‘the land of Maach (fish) & Bhaat (rice)’, fish is very popular diet in West Bengal. Diversities of water bodies existing in the landscape of West Bengal offers wider variety of fishes too.

The lesson plan is for class 6th, Science Chapter - Getting to know Plants.

The emphasis in the books is on the process of science - observing, asking questions, trying to find the answers through further observations and experiments - rather than on information that chil- dren are expected to memorize without any real understanding. Needless to add, it would be difficult to use this book meaningfully without doing the activities.

The aim of the Homi Bhabha primary science curriculum is to engage students and teachers together in a joyful and meaningful learning experience. The curriculum is built out of simple, thematically organised, activities and exercises. The TextBook, WorkBook and Teacher’s Book for each Class are meant to promote active learning in every sense. To use these books, students must get out of the mind-set of copying the correct answers from the blackboard or from other students. Small Science should not be just read, it should be done.

Primary school students, particularly in rural areas, have rich, interactive experiences of the natural world. But lacking systematisation and clear expression, their observations and skills do not contribute to school learning. Urban students from literate homes, on the other hand, are often encouraged to ignore their natural surroundings, and to concentrate on meaningless bookish learning.

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