Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button if available to get a clue. Note that you will lose points if you ask for hints or clues!
all attached to break free change places close close together compressed faster and faster fixed position fixed shape fixed volume force of attraction liquid more and more heat energy move past no fixed volume no shape shape very fast vibrate more and more weakly