thanks WARD , nice Topic sister , i think the answers became as this :

1 - change
2 - rivers
3 - music
4 - cities
5 - traffic
6 - tiip - traveling
7 - garbag
8 - hardware
9 - information
10 - thander
11 - hardware
12 - homework
13 - stuff

nice topic , but difficult .. simpilfize on others , please