True: Steam is made of tiny water molecules., Pressure can push the lid up on a boiling pot., Molecules move faster when heated., Steam was used to power trains and ships., Water is a gas when it turns into steam., False: Cold water makes steam., Water stays still when it boils., Pressure pulls things down., Steam cannot be used to make electricity.,

Molecules on the Move - True or False?

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?