Downloadable (2 PDF files, 1 PPTX & 2 mp4 videos) Ideal for grades 5-8 Buoyancy is approximately 50 minutes long and includes: Introduction Video: This short video is an introduction to the concepts and terminology of this topic. Lesson: This lesson introduces the concept of buoyancy. A 16 slide lesson PowerPoint is included with experiment notes for a short activity involving ketchup. Real World Example: The Science of Aquatic Rescue: Floating can be pretty handy. Watch this video to find out more about how scuba divers use buoyancy to their advantage. Activity: Egg Float: Students have a chance to manipulate the density of a liquid. Additional resources required for this activity: a clear cup or beaker a hard-boiled (cooked) egg in the shell a teaspoon salt warm water empty 2L pop bottle with lid water ketchup packets
