One of the biggest challenges you may face after giving your notice will be when an overbearing manager tries to reassert themselves as having power over you. They may get upset that “you are leaving them in a bad position”, starts belittling your move and/or ask where you are going next. Just remind yourself that you NEVER have to talk about anything but work topics at work ever. Just turn the conversation around and ask them to acknowledge the tasks of the day or project your working on. If they don't take the kind deflection, calmly answer the question with a question: “Do you think you are behaving in a manner that will encourage or discourage me working here for another two weeks (or whatever length notice period)?” or “Are you saying I need you to approve where I work next?”. You never have to answer the “where are you going next” question if you have enough good ones of your own and always ask them if they'd be willing to put their answers in an email.
Always remember that it is a best practice to only talk about work related topics at work whether you are talking to people of equal employment status or those above you in the hierarchy. Bosses never have your best interests in mind and your co-workers may use whatever you share to curry favor with those in power.