What are good summer reading books for 8th graders? ?

Why is it important for students to establish some common values before beginning a discussion

1. fallacy of logos "my favorite teacher said that we should vote for mr. martinez, so i believe he is the best." 2. fallacy of ethos "if we don't pass this environmental protection bill now, the world will probably end soon." 3. fallacy of pathos "the last time it rained, our local sports team won. it is raining today, so they will win tonight."

What are the similarities of physical and chemical change ?