Science 9 - Students finished working in their jigsaw groups then began looking at the formation of the planets. One homework question was given and it is as follows:   What are the three main stages of the formation of the solar system? The answer can be found on page 472 (section 15.2).   Biology 112 - Students finished looking at photosynthesis and were given a short assignment that is due tomorrow recapping photosynthesis. Most students were able to finish it in class. We started examining cellular respiration today in class and will continue looking at it tomorrow.