Lab work is fun but you must be careful. Listen carefully when your teacher reads and explains the rules before your first lab lesson.
LAB RULES | |
Throughout the lessons | * Do not enter the science lab without the teacher's permission(允许). * No food or drinks are to be allowed in the science lab. |
Before the Experiment | * Read all instructions carefully before every experiment(实验). * Prepare all apparatus(仪器)and put them in right places so that you will not knock them over while doing the experiment. |
During the Experiment | * If you are unsure of how to use any apparatus or how to operate, ask your teacher for help. * Never smell or taste chemicals unless your teacher gives permission. |
After the Experiment | * Wash all apparatus after use and return them to the places where they were. * Throw waste materials into proper waste baskets. |
First Aid | * Report all accidents to your teacher immediately. * If you spill any chemicals onto your body or clothing, wash with plenty of water and report to your teacher. |