measurement is an 1.a_ _t_ _ _ of 2._ _as_ _i_ _ 3.p_ _s_c_ _ 4._ _an_ _ _i_s. It is also an 5.a_ s_g_ _ _ _ _ of 6._ _m_e_ and 7._ _ i_s to describe characteristics of 8.o_ _ _c_ _ and /or 9._v_ _ _.

Answer:
1. action
2. measuring
3. physical
4. quantities
5. assignment
6. number
7. units
8. objects
9. event