chemistry experiments for children

(lily) #1

Using aspatula,shovelouta littleofthe dry material. Tapthe blade of the
spatulawith your index finger as you did thestopper.


To transfera chemical from abottleto a smalljarorbeaker,remove the
stopperfrom thebottle,tip thebottleandrotateit over the desiredcontainer
until theproperamountis in the newcontainer.


~,

How to Remove the Stopper from a BottleofLiquid Chemical.Holdingthe
stopperin place with onehand,tip thebottlesothatthestopperbecomes wet
with the liquid. Now hold the bottleupright,and, using thestopper,wet the
edgeofthe bottle. Replace thestopperand remove it again between yourthird
andfourthfingers. Keepyourpalm facingupward,and grasp the bottle in the
samehand,betweenyourthumband first two fingers. By using the samehand
topourthe liquid, yourotherhandremains free to holdadditionalequipment.

Free download pdf