Students’ age range: 12-14
Topic: Physical and Chemical Changes
Description: Introduction
Anticipation guide is issued to all students which contain statements about physical and chemical changes. Students will determine whether or not the statements are true.
Development
In groups of threes, students will read and discuss notes detailing the characteristics of physical and chemical changes for 20 minutes. Groups will then be given a handout with instructions for a practical activity. Students will read the instructions for 5 minutes. A further 5 minutes will be allotted for students to clarify the instructions if they are unclear. Groups will perform each activity and record all observations. Students will determine if the changes in each activity are physical or chemical based on observations and what was read. Class will discuss each activity to clarify misconceptions.