Highlights_ COS_physics_Grade 9_25th Nov to 2 Dec.

Highlights_ COS_physics_Grade 9_25th Nov to 2 Dec.

Learners were made to understand what energy is possessed by a body when it is at rest and  in motion and they were made to derive the formula for both gravitational potential energy and kinetic energy. Later, they were introduced to energy transformation with the help of an activity wherein they were divided into groups and each group was given one device and they had to identify the energy transformation associated with the same. They were then explained about Sankey diagram and this was followed by learners making the Sankey diagram for energy transformation taking place in a device given to them.

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