Yes I guess this is the right order
I believe lipids is what you are going for. A lipid is a macromolecule (monomer of fatty acids) that cushions organs, stores energy, and a version of it is solid at room temperature. The version of it that is solid at room temperature is called a saturated fat. Saturated fat may also be a correct answer.
Agree on using one system. That way no one would be confused by the measurements and everyone would have the same calculations without having to painfully convert. Preferably the metric since it was designed to be easy
Shorten this answer as you will