Study 1. Watch video from begin to 14:50; worksheet

Study 2. Watch video from 14:50 to end; worksheet

Study 3. Watch video from begin to 14:35; worksheet

Study 4. Watch video from 14:35 to end; worksheet

Study 5. Watch video from begin to 10:40; worksheet

Study 6. Watch video from 10:40 to end; worksheet

Study 7. Watch video from begin to 14:20; worksheet

Study 8. Watch video from 14:20 to end; worksheet

Study 9. Watch  video from begin to 12:10; worksheet

Study 10. Watch video from 12:10 to end; worksheet

Study 11. Watch video from begin to 18:38; worksheet

Study 12. Watch video from 18:38 to end; worksheet