Identify each of these processes as a chemical change or a physical change.
Sugar dissolving in tea
Iron rusting
copper develops a turquoise layer from weathering
Dry ice (carbon dioxide) changing from solid to gas
a puddle evaporating
Vapor in the atmosphere forming clouds
Production of salt by evaporation of sea water
Hydrogen peroxide breaking down over time to water and oxygen
Wood burning in a fireplace
Glaciers receding
