Guide Questions?
1. What are the properties of ice cubes before letting them sit for 3-5
minutes in a room temperature? (Room temperature is higher than the
temperature in the refrigerator. Thus, heat is absorbed by ice cubes.)
2. What happened to the ice cubes when they are exposed to heat?
3. What change in phase happened when ice cubes are heated?
4. Describe the changes that happen in ice cubes when they are heat-
ed?
5. What do you call this process of changing solid into liquid?
6. Are there new products formed when ice cubes melt?
7. Draw your observations before and after heating.