Science 10 - Gave out test scores today. Tests will be returned tomorrow. Started covering ions today and how metals and nonmetals bond. Assigned two textbook questions and sample problems from the board for homework.   Science 9 - Covered other bodies in the solar system today. Students were given a handout covering this. Also introduced scienctific notation and had students work on a couple of problems. Will be starting an activity tomorrow that requires the use of scientific notation.