Please i need 10 physical changes that can be termed an endothermic reaction and i also need 10 physical changes that can be termed an endothermic reaction i promise to mark brainiest
please note that the changes should not be chemical changes but physical

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.