continuous or discrete

1. Time of day 2. Number of females in your block 3. Number of bar presses by a rat in a Skinner box 4. Age of subjects in an experiment 5. Number of words remembered 6. Weight of food eaten 7. Percentage of students in your class who are males 8. Speed of runners in a race 9. Religion of students 10. GPA of student to be qualified as dean's list