CBL Interfacing
Breathing: Germinating Peas vs. Earthworms
Materials
- 2 TI-82 or 83 Graphing Calculators,
1 CBL and 2 Barometers
- 2 vials, stopper and tubing
- Cotton, two absorbent balls and two non-absorbent
balls
- 15 % koh
- Glass beads
- 100 ml graduated cylinder
- Balance
- Paper toweling
- 400 ml beaker
- Ring stand, ring, wire mesh
- Germinating peas
- Medium size earthworms
- 6 sandbags (an airtight/water tight plastic
bag with sand)
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Technology in Education Index
