In this session students made a balloon car with the help of a plastic bottle,straws,a balloon and cutter to cut the bottle. After cutting the bottle at both ends the straws were fitted in that and a balloon was pasted in one of the side. And when the balloon was blown and placed on the ground it moved forward which explained the air pressure which moved the bottle car.
Wednesday, August 9, 2017
In this experiment children made a hydraulic jack with the help of ice cream stick, syringe, flexi tube, card board provided by the teacher. Through this experiment they demonstrated the concept of mechanical advantage where small forces applied for a large time or distance can be used to lift very heavy weight for small distance.