*Image 1:* Lemons were used to explain the concept of formation and destruction of ozone by Sun rays.

Image 2 and 3:* Use of “gulal” to make cardinal directions and sub-directions.

*Image 4 and 5:* Working model of Volcanic Mountain. The students used water, eno and red food colour to depict the eruption.

*Image 6:* Working model of Block Mountain.

*Image 7 and 8:* Continental drift theory explained with jigsaw puzzle of world map.

*Image 9 and 10:* Working model of use of alternative source of energy to reduce pollution and decrease the dependence on non-renewable sources of energy.