Science 9 - Assignments were collected from students and the homework from Friday was checked and corrected. Students then got an introduction to microscopes. Students went into the lab and learned how to use the microscopes ahead of tomorrows lab which will involve viewing slides of cells at various stages of mitosis.   Biology 112 - Students had a quiz on Archaebacteria and Eubacteria at the start of class. Students then learned about the kingdom protista.