science worksheet about states?

Question

ok im having trouble w my homework and here r sum clues and i dunno this b/c i was sick 1) a physical form which a subtance cab exist the 3rd letter is a have no idea sry 2) because of surface tension liquads form spherical what? first letter is d. 3)a Change of State reaction that ____(blank) energy is endothermic first letter is a and last letter is s

CAN YOU HELP ME OUT PLEASE HERES AND EXAMPLE HOW 2 ANSWER IT 1)______(ANSWER) 2)_______(ANSWER) 3)______(ANSWER) WRITE ANSWER WHERE _____ IS THANKS

Answer 1

States of matter: solid, liquid, gas
Changes of state: sublimate, condense, fusion (freeze), evaporate (boil), melt