lesson 12.3 solids liquids and gasses

Question 1

state of matter

Answer 1

Adding or removing heat can make substances change their phase or state

Question 2

melting point

Answer 2

each different pure substances has its own peculiar melting point

Question 3

boiling point

Answer 3

Each different substance also has its own boiling temperture, called the boiling point

Question 4

freezing point

Answer 4

The melting point is also known as the freezing point