Answer:
Changes
In the lemon juice:
The lemon juice had a chemical reaction when the ice poured in. Bubbles pop out and the tint color has slightly change.
In the ice cubes:
The ice cubes melt as the it drag down inside the glass of juice.
Outside the surface of glass:
The surface of the glass sweats and evaporate of some liquid because of the ice cube and lemon reaction.
