COME AND SING WITH ME FIRST! WHAT IS THE BEST THING THAT REMINDS YOU OF QUEEN ELSA? What do you think will be our lesson for today? Take a look at the following pictures.. What can you say about the pictures? Why do you think these changes happen? What happened to OLAF? WHY DOES OLAF MELTS? SOLID TO LIQUID ◦Melting = the process of changing from solid to liquid. ◦The increase in temperature will melt the ice. ◦Ice melts at temperatures higher than 0° C. ◦Melting point = the temperature at which solid starts to melt. Take a look at these pictures… What can you say about the pictures? Why do you think these changes happen? LIQUID TO SOLID ◦ Freezing= the process of changing from liquid to solid. ◦ Liquid water changes to ice when the temperature drops to 0° C. ◦ Melting Point= the temperature at which a liquid starts to solidify. DO YOU NOTICE THAT YOU CAN CHANGE A SOLID TO LIQUID AND LIQUID TO SOLID BY LOWERING OR RAISING THE TEMPERATURE?