Does this matter?
Object A floats in water, Object B dissolves. The one that is most likely salt.
What is Object B?
Object A and B are about the same size but Object A is 40 g and Object B is 20. The object that is most likely steel.
What is object A?
Double Jeopardy: One kind of atom.
What is an Element?
Something made up of multiple elements (has different kinds of atoms).
What is a compound?
Object A is used in wiring because it conducts electricity, Object B is not. The object that is most likely copper.
What is object A