W-T-F IS LAB SAFETY????????????????

triple beam balance

for measuring mass

test tube

for heating small amounts of substances

spring scale

for measuring weight/force

beaker, florence flask, erlenmyer flask

for measuring and pouring liquids as well as heating and mixing substances

test tube holder

holds one test tube

wire gauze

protects the beaker or flask from heat, to support a beaker or flask on a ring stand

graduated cylinder

for measuring and pouring liquids, NOT FOR MIXING SUBSTANCES

forceps/tweezers

for handling small objects

beaker tongs

for handling a hot beaker

ruler/meter stick

measures distance

ring stand parts

ring clamp, test tube clamp, ring stand

funnel

to help pour liquids from a wide-mouther container to a smaller one

test tube RACK

for holding more than one test tube

medicine/eye dropper

used to transfer small amounts of liquids

test tube brush

cleans inside of a test tube

bunsen burner

for heating, sterilization, and combustion

stirring rod

used to stir

red on the chemical label

fire risks (0-4)

blue on the chemical label

health risks (0-4)

yellow on the chemical label

radiation risks (0-4)

white on the chemical label

special hazards

how can you tell the severity of a hazard when looking at a chemical label

look at the number. 0= minimal hazard, 1= slight hazard, 2= moderate hazard, 3= serious hazard, 4= severe hazard