Watch water boil at room temperature.

The temperature at which water boils depends on pressure. You can demonstrate this by dramatically lowering the pressure on a waterfilled plastic syringe at room temperature.

Full instructions for this activity are available at https://www.exploratorium.edu/snacks/...

Science Snacks are handson activities, projects, and experiments that are designed for the classroom and the curious. They're cheap, simple, safe, scientifically accurate, and teacher tested. Want to see more? Check out http://exploratorium.edu/snacks.