Temperature is the relative degree of heat or cold. A thermometer is used to measure temperature. It can record the temperature in Celsius or Fahrenheit. In the Celsius scale, water boils at 100 degrees and freezes at 0 degrees, When measuring in Fahrenheit, water boils at 212 degrees and freezes at 32 degrees. Read more about the thermometers , what thermometers measure , temperature , temperature scales and the math formula and conversion information .
Clouds form from droplets of water and tiny ice crystals.
Precipitation is water that falls from the sky such as rain, sleet, hail, or snow. This is part of the water cycle. The water from the ocean evaporates into the air and falls as precipitation. The water flows into the rivers and back into the oceans. A rain gauge is used to record the amount of rain and snow that has fallen.