Task Timer is a free Chrome app that you can use to time multiple tasks or events at the same time. The app works online and or offline in the Chrome web browser. After installing the app you can create a set of tasks that you want to time. You can run multiple timers at once or run them individually. The timer functions on a countdown basis. A chime sounds when time has expired on each timer.

Applications for Education
Task Timer could be a handy tool to use when you have students working a variety of tasks and you want to track how much time is spent on each one.