grade 6 , con 4 , lesson 2

When you touch a piece of ice, heat transfers from your........... to the.....

Heat transfers from

Temperature is a measure of the energy of molecules of a substance.

When the molecules of a substance gain thermal energy, their total kinetic energy............ and the temperature of the substance....

Melting process is the change of substance from.............tate to..............state.

Evaporation process is the change of substance from...........state to........... state

The transformation of gas into liquid is called.............and the reverse process is called....

Heat flows from a hotter substance to a colder substance

Molecules of solids move faster than molecules of liquids

By increasing the thermal energy of the molecules of matter the force is that hold this molecules increases