Procedure 4

home.gif (2113 bytes)  back.gif (2115 bytes)  next.gif (2105 bytes)

 

 

underwater.jpg (41355 bytes)

Here are a couple pictures of the respirometers while they are submerged.  the readings are taken while the respirometers are underwater.  In the respirometer, there is a bubble.  The movement in the bubble tells us the respiration of the peas.  With more respiration, the bubble moves farther.

  Continue on the the next page to see the results.

 

 

 

                                                                                                                                               (This is the cold water bath.  You can see the ice in it)

underwater2.jpg (30533 bytes)
(This is the warm water bath.)