Which is an example of a physical change?
Ripping paper is example of...
During chemical change, atoms are reorganized. This makes what?
Which is a chemical change?
Which is a chemical change?
Think of lab with balloon. Mass is found before and after vinegar & baking soda mixed. Find what?
Why did waffle burn?
Which is a chemical change?
Wood becoming ash is example of...
What kinds of changes obey Law of Conservation of Mass?
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