Heating and cooling

1) What happens to chocolate when it is heated? 2) What happens to melted cheese when it cools? 3) Write 'Reversible' or 'Irreversible' for the following changes. Irreversible Reversible Irreversible Reversible 4) Sort the food items into the correct group. Foods that melt when heated Foods that soften when heated Foods that harden when heated 4) Lilly likes to cook but is always in a hurry. She needs a pot that will cook her food quickly. Which is the best material for her cooking pot? Clay Glass Copper Plastic 5) These materials are good for cooking except Aluminum Copper Wood 6) If you CAN change matter back it is... Reversible Irreversible