FREE SCIENCE LESSON – “Bouyancy: Diving Ketchup”

by Science in the City

4th – 9th Grade


Diving Ketchup


This product is a great way to introduce or reinforce density, and also a great way to introduce or reinforce scientific method.

This includes directions for both a teacher demonstration or student centered demonstration of the principle. In this case, it is a great demonstration/discrepant event to engage students at the start of a unit.

Also included is directions to make this a scientific inquiry, or true experiment, and to work students through the process of designing an experiment.

This project fits will during a unit on either density, applications of density, early in the year for experimental design, or to wrap up the year and reinforce experimental design with a fun project.

See an example HERE

**All pictures, graphics, and artwork in our lessons are either purchased legally for use or are created by Science in the City**

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