Where do you submit RAW unedited photos for my revision?

Late work is not accepted!

You can use anything from a DSLR, camera phone, and point-and-shoot camera for this course. 

Physical chemists:

Select the chemical properties of matter.

Select the forms of matter:

Select the correct classification of solids.

Select the correct classification of energy.

Select the pure substances.

The First Law of Thermodynamics states that energy is never created nor destroyed but transferred from one form to another.