Why do Penguins Huddle? – A Behavioural Adaptation Practical
|Practical activity||Apparatus and techniques|
|Investigate why Penguins huddle. From this is possible to discuss adaptations, insulation’s and surface areas||AT 1, AT 2, AT 3|
Investigating Why Penguins Huddle in the Science Lab
Investigate why have penguins learned to huddle. Using a simple cooling experiment to compare a lonely Penguin against a group of Penguins. A great experiment to lead onto great discussions
Data Logging Equipment Needed
- 1 Vernier Interface with 3Analog inputs eg Labquest Stream, Labquest2, 3 Go Links, Labquest Mini, Labquest, Labpro
- 3 Stainless Steel Temperature probes (Can also be done with 2)
- 1 Logger Lite or Logger Pro Software or Graphical Analysis(Chromebooks only)
Other Equipment Needed
- Multiple Boiling Tubes or Test tubes( Boiling tubes work better)
- 1 Large Beaker
- Kettle (to make the hot water)
- Surround one tube with about 7-8 further tubes around it and tape them together. Place this in a beaker (to prevent spillage) Stand one tube by itself.
- Connect the probes to the interface and then to the computer(if used)
- Open up the software and change the duration of the experiment to 600 seconds(5 minutes)
- Boil the kettle(be careful it gets hot)
- Fill each Tube up to the same level
- Insert a Probe to the Single Tube, middle one in the huddle and if using 3 to one of the outter part of the huddle.
- When the temperature reading have established
- Press the Green Collect Button
- Leave for 5 minutes
- Compare and discuss the different graphs
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