Eruption: the glass in place until the half. vinegar and bicarbonate food. To get lava you can use colored or red coloring yellow.
Warning! Do not make rash supervised by the teacher!
Hudin Horatiu; Margin Horea ; Trestian Vlad; Negrea Sebastian; Margin Ionut
Scoala Gimnaziala "Gheorghe Lazar" , Zalau, Romania