Question of the Day: What is a thread? What happens when you use multiple threads? What label begins a thread in Scratch? Why do you think you should use separate threads?

 a thread is like a mini-program within a program that can execute at the same time as other threads.A program with multiple threads, then, can do multiple things at once. The when command starts a thread in scratch. You should separate it when you want you sprite to do something at one time.