Heat and Matter By An Unknown person, Also known as 17N this is my intrists what i learned and what i like best in the chapter heat and matter. The 3 things i learned in this unit are, convection,conduction, and radiation.I liked the popcorn experement best in this unit so far but the pop corn didnt taste as good as microwave popcorn... but its better than nothing I dont like the homework in this unit as long as the tests . I also want to know isnt radiation bad 4 u ? please comment