Watching as the professor told one of the students to change her shoes into proper attire. Isaac was relieved at least he had worn his school robes and trainers. Looking up as a question was asked, well two but one for him, he raised his hand and waited til he was called on before answering the question.

"Charms is when you direct an object te do something, like levitating an object. Unlike Transfiguration in which can change an objects appearance." he hoped that was a good description, blushing he remained quiet after answering.