2.
change in the chemical structure of matter
3.
the building blocks of matter
4.
how much space an object takes up
5.
Mr.Ferdinandi's birthday
6.
this goes on the y axis of a graph
7.
two or more elements chemically bonded together
8.
more than one substance physically combined
9.
how tightly packed atoms are
10.
the ability to do work or cause change
11.
when thermal energy is released
12.
when thermal energy is released
13.
phase of matter with no definite shape or volume
