Conduction and convection

• 1. (SETTING : EXPERIMENT) DO YOU KNOW THAT THE MATERIALS LIKE METALS CONDUCT HEAT EASILY CALLED CONDUCTOR, BUT THE MATERIALS LIKE PLASTIC, WOOD, AND CLOTH THAT CONDUCT HEAT HARDLY CALLED ISOLATOR

2. CONDUCTORS ARE USE FOR COOKING UTENSILS AND THE ISOLATOR ARE USE FOR THE HANDLE OF COOKING UTENSILS. 3. CONVECTION USUALLY OCCURS AT LIQUID AND GAS REALLY??? YEZ, CONVECTION ALSO USED FOR AIR-CON. THE COLD AIR IS HEAVIER THAN THE HOT AIR ,WILL FALL , AND THE HOT AIR WILL RAISE, SO WE WILL FEEL COMFORTABLE.^_^ 4. NEXT IS RADIATION BUT BEACAUSE THE SCHOOL JUST PAY ME FOR CONDUCTION AND CONVECTION SO LET THE NEXT LITTLE TEACHER TEACH YOU ALL! BYE I WILL ROTATE TO THE NEXT DESTINATION! OH, BEFORE THAT , DO YOU LEARNT SOMETHING TODAY? YES! WE WILL MISS YOU MR. EARTH! HOPE THE RADIATION WILL DO BETTER. BYE!