When they are done with that experiment and the ice has melted ... and in a chemical change. Show the animation Conservation of Mass in Physical and Chemical Changes. Explain that whether a process ...

The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the ...

Straight in with an experiment. This is my kind of science ... Miss Roberts: OK, so we are looking at the conservation of mass. Now, mass is the measure of how much stuff or matter is in an ...