Across
- 2. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines:
- 3. the chemical processes that occur within a living organism in order to maintain life:
- 4. the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.
- 5. the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
- 6. a compound consisting of an adenosine molecule bonded to three phosphate groups, present in all living tissue.
Down
- 1. the metabolic process in living organisms by which oxygen is combined with carbon in a cell to form carbon dioxide and generate energy.