question_answer

Directions: Read the passage and fill in the blanks with suitable options. When a solid turns into a liquid it is called __ (38) __. There is a temperature at which this Happens called the melting __ (39) __. As the energy in the molecules increases from a rise in temperature, the molecules start moving __ (40) __. Soon they have enough __ (41) __ to break free of their rigid structure and start moving around more easily. The matter becomes a __ (42) __. The melting point of water is 0 degree C (32 degrees F). When the opposite happens and a liquid turns into a solid, it is called __ (43) __.

A) line                  

B)          point 

C) Arrow             

D)          none of these