Solids and Holes

by: Page Keeley, Francis Eberle, and Joyce Tugel

The purpose of this assessment probe is to elicit students’ ideas about density. The task is designed to find out if students think a solid object will float differently if it has holes poked all the way through it or if they confuse it with mixed density.

Grade Levels

Elementary High School Middle School

Topics

Assessment Chemistry Phenomena

Details

Type Digital Formative Assessment ProbePub Date 1/1/2007Stock # PB193X2_4

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Susan German (Hallsville, MO)
Susan German (Hallsville, MO)

This is one of my favorites

The probe tests students knowledge of density by asking if an object will still float if it has holes is in it. I use apple slices in my classroom for students to be able to test. We use s... See More

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