The first golf balls were made of wood and would only last for a few games. Modern golf balls last a lot longer but they don't float. The presentation provides the directions for a lab to determine the minimum amount of salt needed to make a modern golf ball float. It includes discussion points before the lab, the entire lab, as well as discussion questions and an two extension activities. 

Concepts

density, the scientific method, data collection, solubility, saturated solutions

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Additional Tags

english language arts

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Instructional Ideas

• Include this lab during a unit on measurement, specifically covering density
• Discuss why golf ball manufacturers don't make golf balls that float

Classroom Considerations

• Lab could be used at the middle school level as well

Pros

• Includes notes to help teachers with the last slide
• Contains teacher notes on most slides to prompt discussion
• Great application of density in the real world

Cons

• None

Common Core

RST.9-10.3