Science Assessment ~ Topics ~ Substances, Chemical Reactions, and Conservation of Matter ~ Misconception SCM067

The mass of a closed system will decrease if two substances combine to form one substance (AAAS Project 2061, n.d.).

Items that test for misconception SCM067 in this project (Original Project) and key idea ()
Item ID Number	Item Description	How Often the Misconception was Chosen	Select This Item for My Item Bank
SC090003	The number of each kind of atom stays the same during the reaction between copper and oxygen. (This item uses circles to represent atoms.)	15%