Describe what is happening to the particles of water?
Question: Describe what is happening to the particles of water?
Water is composed of tiny molecules that are constantly moving and colliding with each other. The speed and energy of these molecules depend on the temperature of the water. When water is heated, the molecules move faster and have more energy. When water is cooled, the molecules move slower and have less energy. The state of water (solid, liquid or gas) is determined by how closely the molecules are packed together. In solid water (ice), the molecules are arranged in a fixed pattern and vibrate in place. In liquid water, the molecules are more loosely connected and can slide past each other. In gaseous water (water vapor), the molecules are far apart and move freely in all directions.
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