A cup with 100ml of water was placed in a baggie and left near a window for a few days. Over time, the water evaporated from the liquid state into a gas that accumulated in the baggie. By observing this process of evaporation and condensation, it can be concluded that water changes states as temperature and environmental conditions change.

1. Purpose: What will happen to a cup, with 100ml of water, if placed in a baggie and left near a window for a few days? Investigate 2: Water, Water Everywhere