1.
temperature at which solid melts
2.
change from solid to liquid
4.
temperature when liquid turns to solid
6.
temperture when liquid turn to gas
8.
temperature when gas turns to liquid
9.
energy from electromagnetic waves
10.
anything that has mass and takes up space
11.
explains how matter behaves
12.
the average kinetic energy of an object's atoms
13.
increase in the size of a substance when the temperature increases and contracts when cooled