About the Authors Pam Walker (B.S. biology, Georgia College, M.Ed., Ed.S., Georgia Southern University) has been a teacher since 1981, and has taught science, biology, applied biology/chemistry, physics, health and physical education in grades 9-12. Elaine Wood (A.B. biology, and secondary education, M.S. and Ed.S., West Georgia College) has more than 14 years of teaching experience in physical science, biology, chemistry, physics, and applied biology/chemistry in grades 7-12 and has conducted research in genetic engineering. Ms. Walker and Ms. Wood teach science at Alexander High School in Douglasville, Georgia and are coauthors of several science publications including Hands-On General Science Activities with Real-Life Applications published by The Center in 1994.

• About This Book. SECTION 1: Critical-Thinking Lessons.SECTION 2: Physical Science Lessons.SECTION 3: Life Science Lessons.SECTION 4: Earth Science, Archaeology, and Anthropology Lessons.

About the Authors Pam Walker (B.S. biology, Georgia College, M.Ed., Ed.S., Georgia Southern University) has been a teacher since 1981, and has taught science, biology, applied biology/chemistry, physics, health and physical education in grades 9-12. Elaine Wood (A.B. biology, and secondary education, M.S. and Ed.S., West Georgia College) has more than 14 years of teaching experience in physical science, biology, chemistry, physics, and applied biology/chemistry in grades 7-12 and has conducted research in genetic engineering. Ms. Walker and Ms. Wood teach science at Alexander High School in Douglasville, Georgia and are coauthors of several science publications including Hands-On General Science Activities with Real-Life Applications published by The Center in 1994.

• About This Book. SECTION 1: Critical-Thinking Lessons.SECTION 2: Physical Science Lessons.SECTION 3: Life Science Lessons.SECTION 4: Earth Science, Archaeology, and Anthropology Lessons.

About the Authors Pam Walker (B.S. biology, Georgia College, M.Ed., Ed.S., Georgia Southern University) has been a teacher since 1981, and has taught science, biology, applied biology/chemistry, physics, health and physical education in grades 9-12. Elaine Wood (A.B. biology, and secondary education, M.S. and Ed.S., West Georgia College) has more than 14 years of teaching experience in physical science, biology, chemistry, physics, and applied biology/chemistry in grades 7-12 and has conducted research in genetic engineering. Ms. Walker and Ms. Wood teach science at Alexander High School in Douglasville, Georgia and are coauthors of several science publications including Hands-On General Science Activities with Real-Life Applications published by The Center in 1994.

• About This Book. SECTION 1: Critical-Thinking Lessons.SECTION 2: Physical Science Lessons.SECTION 3: Life Science Lessons.SECTION 4: Earth Science, Archaeology, and Anthropology Lessons.