The term 'PREPARE WATER FOR TEA' can be solved by the crossword solution 'BOIL'. This means that to prepare water for tea, one must BOIL the water. Boiling water is a process of heating it until it reaches its boiling point, which is 212°F (100°C). Boiling water kills any bacteria or other microorganisms that may be present in the water, making it safe to drink. Boiling also helps to remove any impurities from the water, such as dirt or chemicals, and makes it taste better.