1) How can we change the chocolate from solid to liquid ? a) By cooling b) By heating 2) Increasing the temperature of something is called _______. a) heating b) cooling c) both 3) What will happen if we take an ice cube and hold it into our hands tightly for some minutes (3-5 minutes) ? a) The ice cube turns to gas b) The ice cube turns to liquid c) The ice cube turns to solid 4) What will happen with the paper if we heat it for some minutes? a) The paper turns to liquid b) The paper turns to solid (dust) c) The paper turns in to a book 5) Heating is when you make something... a) Cooler b) Colder c) Warmer

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