Here's the sequence of water forms from coldest to hottest temperatures:

1. Ice (Solid): This is the frozen state of water, occurring below 0°C (32°F).

2. Liquid Water: This is the familiar, flowing form of water, found between 0°C (32°F) and 100°C (212°F).

3. Water Vapor (Gas): This is the invisible gaseous form of water, found above 100°C (212°F).

Important Note: These temperatures are for standard atmospheric pressure. At higher pressures, water can remain liquid at temperatures above 100°C.