What are some examples of chemical and physical changes in heat taking place around you for one day?

Answer 1

maybe evaporation?

Answer 2

One example of chemical change is lighting a gas stove to cook material. That is the oxidation of methane.
CH4 + 2O2 ==> CO2 + 2H2O
Cooking is another example of chemical change; for example, baking bread.

One example of a physical change is one suggested by Cathrine.

Answer 3

Melting ice: physical change

Answer 4

Thanks. Is the oxidation of methane exothermic or endothermic?

Answer 5

All oxidations are exothermic

Answer 6

Yes, melting ice is a physical change.