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DHT34 Hammer and Play-Doh

Objective:

  • To show that kinetic energy is converted to thermal energy in a dissipative process.
  • To show that a subjectively large amount of kinetic energy makes only a small difference to temperature

Apparatus:

  • Hammer
  • Play-Doh
  • PASCO temperature sensor
  • PASCO Capstone software

Hammer and Play-Doh with Laptop hooked uphammer and Play-Doh

 

Method:

  1. Connect the temperature sensor cable to the temperature sensor link and press the power button to turn on the temperature sensor.
  2. Open Capstone and click the “Hardware Setup” button on the left menu. Pick the temperature sensor and make sure the wireless connection is established.
  3. Select “Classic Templates” (bottom right) and then select a template with two digital displays and one graph display (Second choice in top row in image*). Select temperature for the digits display and for the y-axis of the graph.
  4. Embed the temperature sensor i
    n a ball of Play-Doh. Press record and observe the temperature. If the temperature is somewhat stable, hit the automatic zoom button on the graph.
  5. Hit the Play-Doh with a hammer (make sure not to hit the temperature sensor directly as that can damage the temperature sensor). Note the increase in temperature.

Notes:

  • A temperature change of about 0.05 °C can be achieved with the hammer, so ensure that your graph’s temperature scale is sensitive enough to observe such a change.

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