matter

-------- IS IN ALL THE FORMS OF MATTER ON EARTH.

• GOLD

• WATER

• MERCURY

• FIRE

MASS IS USUALLY MEASURED IN --------

• kg/g

• l/ml

• g/ml

• l/kg

A ----------has a fixed shape

• liquid

• solid

• gas

• none of these

A state of matter that has a definite volume but indefinite shape.

• solid

• liquid

• gas

• plasma

------------- flows from higher temperature to a lower temperature.

• heat

• liquid

• solid

• gas

The change of a solid into liquid is called ---------

• evaporation

• condensation

• melting

• none of these

changes that cannot be reversed is -------

• reversible

• irreversible

• freezing

• non of these

-------is a reversible change

• dissolving

• cooking

• burning

• rusting