a. Chemical reaction that releases energy 1. Chemical reaction 2. Endothermic reaction b. Process starting with certain ingredients that makes a set of new and different stuff at the end 3. Exothermic reaction C. Process used to use "food" energy to make usable energy for cell work in all cells/organisms d. Chemical reaction that requires an input of energy 4 Photosynthesis 5. Product e. What is made from a chemical reaction 6. Reactant f. Process used by cells/organisms that are capable of making their own glucose using sun energy, water and carbon dioxide 7. Respiration g. The part of a chemical reaction that are the needed ingredients to have it occur​