LAB RULE DO NOT EAT OR DRINK FROM LABORATORY GLASSWARE REASON BECAUSE THERE CAN BE A BECAUSE THERE CAN BE A DANGEROUS DANGEROUS LIQUID IN IT LIQUID IN IT

DO NOT TOUCH,INHALE, HEAT OR MIX SUBSTANCES YOU ARE NOT TOLD TO DO NOT TOUCH,INHALE, HEAT OR MIX SUBSTANCES YOU ARE NOT TOLD TO BECAUSE YOU CAN HURT YOURSELF OR CAUSE AN ACCIDENT BECAUSE YOU CAN HURT YOURSELF OR CAUSE AN ACCIDENT

ALWAYS WEAR SAFETY GOGGLES WHEN HEATING OR WORKING WITH CHEMICALS ALWAYS WEAR SAFETY GOGGLES WHEN HEATING OR WORKING WITH CHEMICALS BECAUSE A GAS, LIQUID OR CHEMICAL CAN HURT YOU EYES BECAUSE A GAS, LIQUID OR CHEMICAL CAN HURT YOU EYES

BECAUSE GAS CAN EXPAND OR EXPLODE BECAUSE GAS CAN EXPAND OR EXPLODE ALWAYS TURN YOUR BUSEN BURNER ON AND OFF FROM THE TAP ALWAYS TURN YOUR BUSEN BURNER ON AND OFF FROM THE TAP

KEEP YOUR WORKING AREA NEAT WHEN HEATING SUBSTANCES KEEP YOUR WORKING AREA NEAT WHEN HEATING SUBSTANCES BECAUSE SAME SUBSTANCES REACT AND CAN EXPLODE BECAUSE SAME SUBSTANCES REACT AND CAN EXPLODE

ALLOW TIME FOR HOT GLASS TO COOL ALLOW TIME FOR HOT GLASS TO COOL BECAUSE YOU CAN BURN YOURSELF BECAUSE YOU CAN BURN YOURSELF

DO NOT USE THERMOMETERS TO STIR DO NOT USE THERMOMETERS TO STIR BECAUSE THEY CAN BREAK BECAUSE THEY CAN BREAK

TIE YOUR LONG HAIR TIE YOUR LONG HAIR BECAUSE IT CAN BURN BECAUSE IT CAN BURN

DON’ T RUN, SHOUT OR SPEAK IN LOUD VOICE DON’ T RUN, SHOUT OR SPEAK IN LOUD VOICE BECAUSE YOU CAN DROP SOMETHING AND YOU CAN BOTHER YOUR FRIENDS BECAUSE YOU CAN DROP SOMETHING AND YOU CAN BOTHER YOUR FRIENDS

CLEAN UP SPILLS CLEAN UP SPILLS BECAUSE IT CAN BE DANGEROUS AND TOXIC BECAUSE IT CAN BE DANGEROUS AND TOXIC

FOLLOW TEACHER’ S INSTRICTIONS FOLLOW TEACHER’ S INSTRICTIONS ACCURATELY AND ACCURATELY AND CAREFULLY CAREFULLY BECAUSE THE TEACHER KNOWS WHAT ACTION IS SAFE OR DANGEROUS