A definition of density
Practiquem amb el simulador de densitat http://phet.colorado.edu/
Main Topics Density Mass Volume Sample Learning Goals- Describe how the concept of density relates to an object's mass and volume.
- Explain how objects of similar mass can have differing volume, and how objects of similar volume can have differing mass.
- Explain why changing an object's mass or volume does not affect its density (ie, understand density as an intensive property).
- Measure the volume of an object by observing the amount of fluid it displaces.
- Identify an unknown material by calculating its density and comparing to a table of known densities.
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Tips for Teachers The teacher's guide (pdf) contains tips created by the PhET team.
Per saber-ne més sobre la densitat http://encyclopedia.kids.net.au/page/de/Density
I ara un divertit experiment molt curiós que podeu realitzar a casa
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