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Phase Changes
Source Institutions
Learners observe a sealed test tube containing a small amount of solid stearic acid.
Good Vibrations
Source Institutions
In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.
Balloon in a Flask
Source Institutions
Learners observe a flask with a balloon attached over the mouth and inverted inside the flask.
Silver Crystals
Source Institutions
This is written as a static display, but can easily become a hands-on experiment for learners.