Match the following properties with a solid, liquid or a gas…

Match the following properties with a solid, liquid or a gas.  Write the word solid, liquid or gas next to its matching property.  Answers may be used once, more than once or not at all.  However, there is only one correct answer for each.   [a1]  Expands to fill its container [a2]  Takes on only the shape of the container [a3]  Retains its shape and volume [a4]  Easily diffuses