inquisitiveness

US /ɪnˈkwɪz.ə.t̬ɪv.nəs/
UK /ɪnˈkwɪz.ə.t̬ɪv.nəs/
1.

sự tò mò

the quality of wanting to discover as much as you can about things, sometimes in a way that annoys people:

:
Children have an inquisitiveness about the world.