Phases of matter Crossword

This printable crossword puzzle on the topic of Physics has 20 clues. Answers range from 3 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

Character that can be identify without being observed
solid, liquid, plasma, gas
shape, volume, closely together
losing heat for liquid
enough energy to escape liquid phase
ability to burn
a substance changes
when substance absorbs heat energy
substance losing heat energy
not close particle are free to move
most common phase found in the stars
liquid bubbles that travel to the surface
phase that goes from solid to liquid
when gas loses heat
phase that skips a step
repeating patterns
cooling and sweating process
combining two different substances
how substances change into new substances
particles spread far apart with no shape for volume