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Learners will see that changing the shape of an object, like a clay ball, that is more dense than water, can affect whether the object will sink or float. The density of the clay used in this activity does not change, but the volume of the object made from the clay increases. This increase in volume decreases the overall density of the object, making it float. [Activity is publicly available through a web crawler capture on Archive.org. Activity write-up only, images are unavailable.]
- 5 to 10 minutes
- 30 to 45 minutes
- $1 - $5 per student
- Ages 8 - 14
- Activity, Demonstration, Experiment/Lab Activity
- English
Quick Guide
Materials List (per student)
- Water
- 2 Clay balls
- Plastic bowl
- Sensitive scale
- Student Activity Sheet
- Clear plastic cup, deli container, or bowl
Subjects
-
Physical Sciences
-
Structure and Properties of Matter
- Volume and Density
-
Structure and Properties of Matter
-
The Nature of Science
-
The Scientific Process
- Asking Questions
- Conducting Investigations
-
The Scientific Process
Audience
To use this activity, learners need to:
- see
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Components that are part of this resource:
Access Rights:
- Free access
By:
- Kessler, James H. ; Galvan, Patricia M.
Rights:
- , American Chemical Society, 2007