SC-377
Changes of state
Lower Sec Science · Secondary 1 · Medium · Changes of state
A block of ice is left on a table at room temperature and slowly turns into liquid water. Using the particle model, which statement best describes what happens to the water particles during this change of state?
- They become fixed in position and can only vibrate.
- They move further apart and stop attracting each other completely.
- They gain energy and can move past one another while staying close together.
- They lose energy and become more tightly packed in a regular pattern.
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