Thermodynamics- Effect of Heating a Rubber Band and a Spring

Effect of Heating a Rubber Band and Spring

Description: A stretched rubber band shrinks while a stretched metal spring elongates further when warmed with a heat gun.

Source: UW Card Catalog Professor Hyuk Yu UW-Madison

Year: N/A   Vol: N/A   Page: N/A

Keywords: Entropy, Rubber band, Spring, Heat

Rating:

Hazard: Low

  • Electric shock hazard
  • Burn hazard

Effectiveness: Average

  • Moderate failure rate
  • Results are observable with guidance
  • Mild effects are seen by audience
  • Experiment addresses preconceived notion
  • Time to results is medium

Difficulty: Medium

  • Some timed manipulations
  • Reactions or demos at non-standard conditions
  • Requires attention to detail

Safety Precautions:

  • Eye protection required
  • Thermal gloves recommended
  • Use of UL approved three-prong and outlet

 

Class: Entropy, Thermodynamics

Division: General, Physical Chemistry

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