The last day of class

The last day of class Lluïsa Pinto and Julia ; chemical of England that she was student of castello d'empuries. They made a lot of activity where we were doing in laboratory for example the first activity I was doing is the "ELEPHANT TOOTHPASE" where this consist in put H2O2 30 % in  one beaker with a little paint. After that put KI into the beaker and finally will form one foam.

Materials:
Beaker
15 mL 30% H2O2
Paint
KI

Procedure:
Add H2O2 into the beaker
Add paint and mix all
Add KI and mix all

Conclucion
This is a beautiful and easy experiment where you can do this at home without some problem and also is fast to do.

Picture of Elephant toothpast