V. Cooling down (Primary) In this unit students record the temperature during a process of cooling. Activity V. Cooling down
VI. How to cool faster (Primary) In this unit students investigate in which ways the heat can be transferred and how to cool things faster. Activity VI. How to cool faster
IX. A Chemical reaction (Primary) In this unit students measure the temperature change during a chemical reaction of vinegar and baking soda. Activity IX. A Chemical reaction