How Do You Teach High School Chemistry Phase Changes?
Teaching phase changes in high school chemistry begins with using a well-known substance—water. Some terminology used in high school chemistry connected with phase changes is different from students’ prior experiences. Beginning with water allows students to start from a common frame of reference to avoid terminology confusion. Once students are familiar with terms such as “specific heat” and “hydrogen bonds” as they relate to phase changes, then they are ready to learn the laws associated with phase changes. Introduction to Phase Changes Step 1 jQuery(document).ready(function(){ jQuery(‘#jsArticleStep1 span.image a:first’).attr(‘href’,’http://i.ehow.com/images/GlobalPhoto/Articles/5004887/180120_Full.jpg’); }); Class discussion Assess students’ prior knowledge and experiences with phase changes of materials using an inquiry approach by asking open-ended questions. Questions must be focused on the process of phase changes in chemistry. Step 2 Ask the following question: “Since all ob
