Education

Ocean Density Bottles Classroom Warm Up

Activity or Mini-Lesson
Side by side bottles with floating beads show differences between fresh and salt water
Ocean Exploration Trust

Classroom Warm-ups: Kick-off any lesson with these one-page, observation-building, problem-solving STEM prompts — whether or not you’re teaching an ocean topic.

Ocean water is more dense than pure water because of its salinity, or the concentration of salt in a given volume of water. This activity will help students to visualize and understand how water density plays vital role in oceanic environments.

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Prep time and materials cost minimal, may require printing.

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