اختبار الكتروني درس Matter and its Characteristics

1
The color property is a distinguishing factor between.........
2
The taste property is a distinguishing factor between...........
3
The smell property is a distinguishing factor between .....
4
The density of a substance is a........property
5
Density of a matter=..........
6
Desity of red copper is 8.8 gm/cm3 means........
7
Equal masses of different substances have ..........volumes
8
-....is from the substances that float on water surface
9
A piece of metal ,whose mass is 25 gm and its volume is 10 cm3 .when it is placed in water it will ........(water density 1 gm/cm3)
10
The mass of a piece of rock whose density is 2.8 gm/cm3 s 28 gm, so the density of 280 gm of it is.........gm/cm3