1. Cells need. All organisms use energy to carry out life functions. 2. is the process in which plants and other organisms use light energy, carbon dioxide and water to make glucose (sugar). 3. is the process in which cells use oxygen to break down glucose to release energy, carbon dioxide and water 4. Everything in universe is made up of (anything that has mass and takes up space) and (the ability to do work). 5. Law of state both matter and energy cannot be created or destroyed, but only change forms.