The water activity of ice is smaller than water.
举一反三
- The reason why lotus leaves do not touch water is that the upper surface of lotus leaves is covered with many papillae which are smaller than rain water.
- The thermal conductivity of ice at 0°C is approximately ______ times the thermal conductivity of water at the same temperature, indicating that in the same environment, ice can change its temperature faster than water.
- Which of the following types of water might be included at the menu? ( ) A: Sparkling water. B: Tap water. C: Still water. D: Ice water.
- More than seventy percent of the water on the earth is sea water.
- Under the same conditions, fresh water evaporates faster than sea water.