Evaporation

Product No: P1045160

Principle

Drinks can be cooled by putting the bottle in a moist sock and letting the sock dry. The same process occurs when our bodies are cooled by sweating. The change in temperature that occurs is to be examined in this experiment.

Tasks

Wet the absorbent paper with water or alcohol.

  • Observe the wetted patch
  • Wrap the wetted absorbent paper around the measuring tip of a thermometer and watch the behaviour of the temperature



Materiallist (Excerpt) Product Amount
Software Cobra4 - multi-user licence 14550-61 1
Cobra4 Wireless-Link 12601-00 1
Cobra4 Wireless Manager 12600-00 1
Cobra4 Sensor-Unit Temperature, semiconductor -20...110 °C 12640-00 2
Support base variable 02001-00 1
Erlenmeyer flask, wide-neck, 100ml 36428-00 1
Support rod, stainless steel, l = 600 mm, d = 10 mm 02037-00 1
Boss head 02043-00 1
Glass tube holder with tape measure clamp 05961-00 1
Fishing line, l. 20m 02089-00 1
Support rod, stainless steel, l = 250 mm, d = 10 mm 02031-00 1
Pipette with rubber bulb 64701-00 1
Beaker, 100 ml, low form, plastic 36011-01 1

Literature for this article als follows

Title Product Language
TESS und Demo advanced Handbuch Cobra4 Physik, Chemie, Biologie, Alltagsphänomene 01330-01 DEU
TESS and Demo advanced Manual Cobra4 Physics, Chemistry, Biology, Everyday Science 01330-02 ENG
TESS advanced Physik Handbuch Cobra4 Mechanik, Wärme, Elektrik / Elektronik 01332-01 DEU
TESS advanced Physics Manual Cobra4 Mechanics, Heat, Electricity / Electronics 01332-02 ENG

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Product No: P1045160

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