How did the boys react when ralph suggest building a fire in lord of the flies? what role does jack play in the scene?

Ralph suggests the idea of building a signal fire to save the kids from the fear of beasts.There would be a possibility of rescue as the passing ships might notice the fire and save them.The childish boys collected wood and set it on fire with the help of lens from the glasses.Due to their playful nature, the fire died down.They did not realise the seriousness of the situation..Jack offers help from his group of hunters to keep the fire going.