Students will use a respiration chamber to measure and record the rate of oxygen consumption (cellular respiration) using germinating seeds versus a non-germinating control sample. Teachers manual and Student Study Guide copymasters are included.
There are enough materials provided for 8 lab groups.
Meets AP Science Practices 1, 2, 3, 6, and 7, and Big Idea 2.
1 pkg. pea seeds 1 pkg. plastic beads
24 respiration chambers 24 rubber stoppers
48 washers 24 graduated pipets, 1 ml
1 pkg. non-absorbent cotton 1 pkg. absorbent cotton
1 btl. 15% KOH, 30 ml 8 trays
1 tube petroleum jelly sealant
Materials Needed but not Supplied:
8 graduated cylinders, 100 ml 8 thermometers
8 stopwatches or digital timers Ice
Wax marking pencils or markers Paper towels
DOT: Small quantity exemption 173.4
THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only