| A | B |
|---|
| Perform laboratory work only when your teacher is present. Unauthorized or unsupervised experimenting is not allowed. | -work with teacher in room |
| Perform all experiments as directed. Do not do anything that is not part of an approved experimental procedure. Follow all instructions provided by your teacher. | follow directions |
| Always read and think about each activity and assignment before starting. Be sure that you understand exactly what you are to do. Know the potential hazards before you begin. Ask your teacher questions if you are not sure. | understand directions |
| Clear your table top of all unnecessary materials such as books and clothing before starting your work. | clear off work area |
| Act in a responsible way at all times. No horseplay or fooling around should occur in the science lab. Tell the teacher if someone is fooling around during the activity. | no fooling around |
| All laboratory accidents, however small, should be reported immediately to your teacher. | report accidents |
| Never take equipment or materials out of the lab without the knowledge and consent of your science teacher. | don’t steal materials |
| Know the location of all safety equipment in your laboratory. These should include the eyewash, first-aid kit, fire extinguisher and fire blanket. Know what to do in case of an emergency. A fire extinguisher is used to put out a fire of any item in the classroom. The fire blanket is used to cover a person whose clothes have caught on fire. | know location of safety equipment |
| Wear protective glasses/goggles and gloves for laboratory work when instructed to do so. Wear shoes (rather than sandals), tie back loose hair, remove jewelry and roll up sleeves if necessary. | wear protective equipment |
| Turn off your hot plate or any open flame (candle) when it is not in use. Never let it operate unattended. | never leave hot things alone |
| Never taste laboratory materials. Gum, food, or drinks should not be brought into the laboratory. If you are instructed to smell something, do so by fanning (wafting) some of the vapors toward your nose. Do not place your nose near the opening of the container. | no food or drinks in labs |
| In case of a chemical spill on your skin or clothing, rinse the affected area with plenty of water. If the eyes are affected, water-washing must begin immediately and continue for 10 to 15 minutes, or until professional help is obtained. | rinse chemical spills |
