Question

Which of these actions does NOT result in a physical change?
leaving an ice cube in a glass at room temperature
folding a piece of paper into a paper airplane
burning a log in a fireplace
mixing sugar into a pitcher of iced tea

Answer 1

Answer:

mixing sugar into a pitcher of iced tea

Answer 2

Burning a log in a fire place as it is a chemical change not a physical.
As well as mixing sugar into a pitcher of iced tea.