Melting of ice, Revesible change, Blowing of balloon, Reversible change, Baking of roti, Irreversible change, Rusting of iron, Irreversible change, Ammonia formation, Chemical change, Growth of a plant, Slow chane, Sun rise and sunset, natural and Periodic change, Condensation, Chande of water vapour to liquid, Water cycle, Reversible change, Burning of coal, Exothermic reaction

per en/la

Tauler de classificació

Estil visual

Opcions

Canvia de fonament

Restaurar desada automàtica: ?