SCIENCE F1 CHAPTER 1 (1.2)

INTRODUCTION TO

1.2 YOUR SCIENCE LABORATORY

HAZARD WARNING SYMBOL

POISONOUS / TOXIC

DO NOT drink, eat,
smell or taste this

chemical

POISONOUS / TOXIC

Examples:
Mercury and chlorine

FLAMMABLE

KEEP AWAY from fire or
heat sources

FLAMMABLE

EXAMPLES:
Alcohol and petrol

CORROSIVE

DO NOT touch
-will burn our skin

CORROSIVE

EXAMPLES:
Concentrated acid

and alkali

Wash affected part with
lots of water

EXPLOSIVE

use this chemical
according to the
instruction CAREFULLY

EXPLOSIVE

EXAMPLES:
Hydrogen gas and

butane

IRRITANT

AVOID inhaling the
vapour or fumes

IRRITANT

EXAMPLES:
chloroform and

ammonia

use the chemical inside fume
chamber

RADIOACTIVE

EMIT radioactive rays
can cause cancer

RADIOACTIVE

EXAMPLES:
uranium and
plutonium

HAZARD WARNING SYMBOL CORROSIVE IRRITANT

POISONOUS / TOXIC

FLAMMABLE EXPLOSIVE RADIOACTIVE

RULES AND SAFETY
MEASURES IN THE

LABORATORY

RULES IN THE LABORATORY

BEFORE ENTER THE
LABORATORY

 DO NOT ENTER THE LAB WITHOUT
PERMISSION

FOLLOW TEACHER INSTRUCTION

PUT YOUR SCHOOL BAG OUTSIDE
THE LABORATORY

WHEN ENTER THE LABORATORY

EATING, DRINKING AND PLAYING ARE OPEN DOORS AND
PROHIBITED IN LABORATORY WINDOWS – TO IMPROVE

AIR CIRCULATION

READ AND UNDERSTAND THE
INSTRUCTION OF THE EXPERIMENT
BEFOREHAND

DURING EXPERIMENT

NEVER START AN EXPERIMENT
WITHOUT TEACHER’S INSTRUCTION

MEASURE CAREFULLY

REPORT ALL THE ACCIDENTS,
BREAKAGES AND SPILLAGES
IMMEDIATELY TO YOUR TEACHER

MAKE SURE THE PLACE TO
CONDUCT EXPERIMENT IS ALWAYS
CLEAN AND NEAT

AFTER EXPERIMENT

DO NOT TAKE THE APPARATUS AND
CHEMICALS OUT OF LAB

AFTER USING, KEEP THE APPARATUS
AND CHEMICALS IN THEIR ORIGINAL
PLACES

WASH THE APPARATUS AND THROW
AWAY WASTE MATERIALS
ACCORDING TO THE CORRECT
PROCEDURES

WASH YOUR HANDS WITH SOAP AND
WATER BEFORE LEAVING THE LAB

SAFETY MEASURES IN THE
LABORATORY

DO NOT POINT THE MOUTH
OF THE TEST TUBE AT YOUR
FACE OR AT OTHER PEOPLE

USE SAFETY GOOGLES WHEN MIXING
OR HEAT CHEMICALS

DO NOT TASTE OR SMELL ANYTHING
UNLESS ALLOWED BY THE TEACHER

KEEP HIGHLY FLAMMABLE
CHEMICALS AWAY FROM ANY HEAT
SOURCES

IF AN ACCIDENT OCCUR
DO NOT PANIC!!!!

LAB ON FIRE
1- Turn off the electricity
2- Inform teacher
3- Run out quickly

BROKE THE THERMOMETER
1- Do not touch
2- Inform teacher
3- Run out quickly

SPILLED THE CHEMICALS

1- Inform teacher

2- Avoid contact to the
chemicals

CONTACT WITH CHEMICALS

Rinse it off with plenty of
water