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Welcome to ChemEd 2025!
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The Exhibit Hall will be in the lobby of the Green Center: Sunday 6pm - 8pm; Monday 8am - 5pm; Tuesday 8am - 3pm                                                                  
Thursday July 24, 2025 8:30am - 9:15am MDT
This presentation unpacks the interactions between the ingredients in a "polydensity bottle" that contains salt, water, isopropanol and beads of two differing densities. I will also demonstrate a memorable phase change using paraffin wax.
Speakers
avatar for Liz Velikonja

Liz Velikonja

Chair of Science Department, Saint Ann's School
Liz Velikonja loves teaching science, particularly chemistry. One of her mantras is "no fire without math," that's before she lights the pumpkin. She's also an avid birdwatcher.
Thursday July 24, 2025 8:30am - 9:15am MDT
Coolbaugh 220 (lab) 1012 14th St, Golden, CO 80401, United States

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