The mechanisms in place for maintaining body temperature are a key element of homeostasis. This activity investigates vasoconstriction and vasodilation and the heat transfer associated with those phenomena.
The surface temperature of the skin drops quickly when your hand is placed in an ice bath.
Lab Summary:
Determine what happens to skin temperature when the skin is exposed to different conditions.
Download Free Lab (PDF, 484 KB)
(student version)
Method:
Use Fast-Response Temperature Probes to measure skin temperature when the skin is exposed to different conditions.
Here's What You Need:
Probeware
- PASPORT Fast Response Temperature Probe (3 pack) (PS-2135)
- Xplorer GLX Graphing Datalogger (PS-2002)
Other Materials
- Beaker, 1000 mL (6 pack) (SE-7288)
- Fan
- Glove or mitten
- Rubber band, large (2 or 3)
- Towel
- Ice, crushed or cubed, 1 L
- Tape, Waterproof, 1 roll
- Water, 1 L
Lab Manual:
This activity is included in Biology with the Xplorer GLX (PS-2820), complete with Teacher Information pages, student instructions and handouts, and sample data for a total of 20 probeware-based labs. For your convenience, we offer bundles which provide the probeware necessary for the activities in the manual. For more information on these resources and bundles, click here.
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