Most people are familiar with the concept that animals come in all shapes and sizes and that the body plan of some animals can completely transform during their lifetime. Well-known examples of such complex life cycles of terrestrial animals include butterflies and frogs. Many people are unaware, however, that complex life cycles are exceedingly…

Testing the pH of various liquids is one of the most popular activities in 5th- through 8th-grade classrooms. The author presents an extensive pH-testing lesson based on a 5E (engagement, exploration, explanation, extension, and evaluation) teaching model. The activity provides students with the opportunity to learn about pH and how it relates to…

With archaeologists continually finding new pieces of the past, students will undoubtedly see and hear of new discoveries in the media. By using archaeology as a context for investigating past cultures and using science methods, teachers can capitalize on students' interests while still addressing concepts recommended (or required) for their…