On the boil!
research mental recognation
Vegetarianism
How about "Obesity".
What about: A comparative study of the effects of vinegar and water on invasive plant growth.
It's best to put it in RIGHT BEFORE it's boiling. Time it out right so that when the water is just beginning to bubble, drop it in.
A Jewel of Beauty
eyes through the rainbow
Read what you've written and look for a theme. We can't possibly tell you what you should title your research paper!
Evaporation of the water from the solution, leaving the starch behind.
the man who had a dream
Washington Irving: A Paper
My best guess would be at boiling point, or when water evaporates, which is 100C.