(e) We should save energy because of the following: (d) When a candle is lit, the chemical energy stored in its wax gets converted to heat and light energy. Mechanical: Kinetic and potential energy are two types of mechanical energy. (b) While measuring work, the magnitude of force applied on an object and the displacement of an object should be taken into account. there is some distance between the initial and final position of an object. (a) We can say that displacement has taken place when the initial and final position of an object is different i.e. (f) The capacity that an object has for doing work is called. If he carries two pans of road metal through a 200 metre distance. (e) One labourer carried four pans of road metal through a distance of 100 metres. energy of the sun, while solar cells, solar lamps are applications of the. (d) The solar cooker is an application of the. (c) You might have seen some beautiful fireworks during Diwali. (b) If a ball is dropped on the sloping roof of a house, it acquires. is applied to do this, because there will be a. (a) A bucketful of water is to be drawn from a well.

Fill in each blank with the appropriate term from the brackets.

Science class work