What are the properties of ice cubes before letting them sit for 3-5 minutes in a room temperature? - It is solid, hard and has shape of the container, What happened to the ice cubes when they are exposed to heat? - The ice is slowly melting./ The ice melted., What change in phase happened when ice cubes are heated? - solid to liquid, Describe the changes that happen in ice cubes when they are heated. - Phase changed, changed shape, What do you call this process of changing solid into liquid? - melting, Are there new products formed when ice cubes melt? - No., How can you say that no new materials are formed? - Ice melting is a physical change., What is the main reason why the ice melted? - The heat present in the environment., Is heat also a reason to have changes in materials? - Yes. Heat causes the materials to change in their properties., What do you call the process of changing liquid to solid? - cooling,

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