numiti cate 2-3 exemple:in starea de agregare( solida,lichida,gazoasa)-aer,-apa,-otet,-sticla,- sticla, -propan,- sare, gheata.propriitati generale( culoare,gust,miros,forma,volum,rezistent,fluid,faramicios,moale)- aer,- apa,- otet,- sticla,- propan,- sare,- gheata.