Report Quote #7423

Pham: Give example of diffusion? Student 1: When you spray Febreeze, it spreads out in the room. Pham: No no no, there is force. That not diffusion. *calls on another student* Student 2: When you fart, the gases spread everywhere. Class: Wait but there's force. Pham: If you not wearing underwear or something, fart can come out without force!