In this unit, the essential elements, chemical symbolism, how materials move into and within cells, and the chemical energy processes of photosynthesis, aerobic respiration, and fermentation (anaerobic respiration) will be explored.
Ÿ When do individual parts and/or processes become a system? When is a system no longer a system?
Ÿ What is energy and where does it originate?
Ÿ How can change produce a pattern?
Ÿ How does science change?