精选优质文档-倾情为你奉上外研版必修一Module 5 A Lesson in a Lab完整教案Period 1 Teaching aims:1. To introduce some general science.2. To learn some words related to the theme of this module.3. To develop speaking ability by practicing saying the numbers, especially the fractions.Important and difficult points:1. Arouse the students interests and love in science.2. Enable the students to understand some elements about the chemistry lab.3. Make the students know how to read the numbers.