This Floating Fishes: Boat Sinking Lab lesson plan also includes:
Cut milk cartons in half to make boats and let investigators attempt to sink them. They add dividing walls and observe what happens if marbles are put into only one of the newly formed compartments. Vocabulary is provided: buoyant force, negatively buoyant, neutrally buoyant, and positively buoyant. However, other than definitions, no background information is provided to help coach learners in understanding the concepts.