2. Heat is a form of energy transfer from a location to a location.

Heat is a form of energy, transferred from a hot/warm location to a cold(er) location.

Words in bold are all correct but you can choose which words you want (hot or warm)(cold or colder).

a time line cause it goes from 685 to 978

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.