KMART Volcano Manual page 4

Qtv
1
1
.
Make sure
you
have put on your safety goggles.Make sure the volcano model
is
dry.
Put same
amount of
sodium bicarbonate and citric acid powder inside the volcano crater and stir
to
mix
(Fig.1). You can start by using 59 of each chemical. Use more for
a
more dramatic effect!
!
Pour some red
food colouring (not
included)
into
the plastic cup
and
use
the plastic dropper
to
draw red
food colouring (not included)
into
the dropper
until it
is
full(Fig.
2).
tr
'*r
:3&'
3.
Use
the plastic dropper
to
drop the
red
food colouring
(not
included) step
by
step
to
the volcano model(Fig.3)
do
not
place your
hand
directly
above
the
model.
-&
"ff
(Fis.1)
)
(Fis. 2)
-3-
(Fig.3)
Sodium
bicarbonate(N"HCOI
)
189
P8
Citric
acid(CsH,oOa ) 18g
1
otv
1
I!
Let's start the volcanic eruption!