Matter&its characterstics | Ms.Shorouk Shaaban

................ can float on water surface.

• aluminum

• copper

• cork

the density of petrol is .............. water

• equal to

• less than

• more than

equal masses of different substances have ................ volumes.

• equal

• similar

• different

................. gas is used in filling balloons of celebration.

• hydrogen

• nitrogen

• oxygen

metals are characterized by .....................

• all answers

• high melting point

• conductivity of heat

• conductivity of electricity

the temperature at which the matter begins to change from liquid to gas.

the temperature at which the matter begins to change from solid to liquid.

........................ is the substance that allow the electricity to flow through.

the density of a piece of metal whose mass is 30 gm and its volume is 10 cm3 is ................

• 1/3 gm/cm3

• 3 cm3/gm

• 3 gm/cm3

cooking pans are made of aluminum as it has low melting point

• true

• fase