HOW TO PLAN AN EXPERIMENT. SCIENCE LAB SAFETY RULES-TEACHER. SCIENCE LAB SAFETY. 7. Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory. Never fool around in the laboratory. Horseplay, practical jokes, and pranks are dangerous and prohibited. 8. Always work in a well-ventilated area. 9. 10. 11. 12. 13. 14. 15. 16. FAMOUS SCIENTISTS. LAB SAFETY RULES AND ACTIVITY.