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General Biology Laboratory Designed for K-8 Teachers
posted by Rod on Wednesday February 06, @06:50PM
Biology General Biology Laboratory Designed for K-8 Teachers

Barbara J. Layton
Hamilton High School
LAUSD

Carol D. Guze
California State University Dominguez Hills

We developed a special general biology laboratory section specifically designed for Liberal Studies majors. In California, the Liberal Studies program is the undergraduate pre credential program for K-8 teachers. For most of these students, this will be their only pre service laboratory science experience. The laboratory experiments and exercises include basic material covered in the general biology lecture but, in addition, they provide future teachers with experiments and activities useful in their future K-8 classrooms which can be modified for any grade level K-12. Currently, the laboratory is offered as a separate course, however, the general biology lecture is a pre or co-requisite to the laboratory. Each of the eight units concentrates on a particular topic in the life sciences but many have components of other sciences and mathematics. To guide them, each lab is preceded by a Teacher Template which includes: Background Information; Sample Hypotheses; Experimental Set Up; Materials Costs and Sources; Data Organization (tables, graphs, etc.); Expected Results; Discussion/Conclusion Questions; and Where to Find More Information. Student assignments include writing (e.g., lab reports, genetic disorder, insect field journal), constructing models (e.g., insects, DNA, karyotyping), an internet research activity (e.g., endangered species), and a presentation with visual aid enhancement (e.g., endangered species). While many K-8 teachers avoid offering labs, we feel that our students will be more comfortable when they begin teaching because of the experience gained in this course where the labs are at a level appropriate to the K-8 classroom. A valuable component of this laboratory class is the requirement for students to write up the lab activities and to relate them to the California State Science Content Standards. In addition to conducting laboratory experiments, students learn about professional organizations and Web sites to assist them in developing their own science exercises. Weekly short quizzes assure understanding of the previous lab and preparation for the current lab. We now have the benefit of student and instructor experience from three semesters. Input from students has resulted in changes including concentrating on fewer experiments (although all are in the manual) and providing more teaching experience by having groups of students prepare and conduct a lab session. Students have reported that they include their work in this course in a Liberal Studies senior portfolio required for graduation. Some students who are now teaching report they are using these experiments in their classrooms. The development team was one university professor and two experienced K-12 teachers who field tested the laboratory exercises in their classrooms.



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