The melting point of a substance is the temperature at which it changes state from solid to liquid

The boiling point of a substance is the temperature at which a liquid boils and turns to vapour.

1

Melting points are useful when identifying between members of a homologous series. What is a homologous series?

2

Which of the products shown are gases at 1000 degrees C?

3

If we decrease the pressure, what effect does this have on the boiling point of a substance?

4

A solid material is heated in a furnace and it is found that it melts at 1055 ºC. Use the table to state what the material is.

5

What is the name for rocks underground getting so hot that they become a liquid? Hint: this liquid is found at volcanoes.