And more persons were bumping into him. Grinning, Adi returned the favour to the two- Mari and Kevin. He laughed to himself however, when the second year Gryffindor took off towards Flamsteed. Leave it to Kevin to do something fun and unexpected. Too bad about the points though.

Right. So the suited man was speaking again. Adi stopped with the jogging and bumping to think. "Charles's Law says that if temperature were to go up so would the volume,'' the Hufflepuff finally shouted.