HEAT

EXPANSITION:❤️❤️💜💙💔🖤

HOW TO DO THE EXPEREMENT:

MATERIAL:

ballonn

alumnium foil

drink clenear

glass bottle

INSTRUCTION

first put the drink cleener in the bottle the cut the alumnium foil into litte pieces, put it in the bottle hang the ballon in bottle 

WHAT IS GOING TO HAPPEN?

the ballon will grow but not whit air if not by helium

WHY IS HAPPENING?

the drink clener contain sodium hydroxide  when sodium hydroxide react whit aluminium foil hydrogen gas is formed hydrogen and gas acumulats in the ballon inflates it.