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Catalog #STO-124
Design and conduct a controlled experiment.
Limit 1 free sample per customer
Also required: Water at 25, 35, and 45 degrees Celsius, clock with a second hand, safety goggles
Catalog # STO-124U
Unassembled packs contain materials for 10 kits.
Catalog # STO-124R
Refill packs contain materials to replace consumable supplies for 10 kits.
Kits are easy to use and have high student interest.
- High school biology teacher (PA)
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