Across 1) this is a solid that is formed during a chemical reaction, typically in solution. 4) a heat-absorbing process. 6) this is the phase of matter with fixed shape and volume. 7) this is a sign of a chemical reaction that involves a new color being created during the reaction. 8) the changing of substances to other substances by the breaking of bonds in reactants and the formation of bonds in products. 10) these are the elements or compounds that enter into a chemical reaction. - down 2) this is a change in both form and nature of substance in which bonds are broken. 3) this is the substance(s) formed in a chemical reaction. 5) this is the form of energy that is transferred because of a difference in temperature. 9) this is a substance that cannot be broken down further by chemical means. submit