Core Practical 8.11 - Investigating Respiration Flashcards
1
Q
Respiration:
Method:
A
- Place living organisms inside of boiling tube, which has lime soda and cotton plug in it, and another boiling tube, only with no organisms
- Insert bung and capillary tube at the end of boiling tube
- Put boiling tubes in water bath for 5 mins
- Put 1 beaker of colored liquid on the end of capilllary tubes each.
- Measure position of colored liquid before and after 5 minutes
2
Q
Respiration:
Equipment:
A
- Living organism
- 2 boiling tubes, with cotton plugs and lime soda
- Bung
- Capillary
- Colored liquid
3
Q
Respiration:
Variables:
A
- Dependent: Distance colored liquid moved
- Independent: Temperature of water bath
- Control: Length of water bath