Plants in a Bottle: Photosynthesis and Respiration

Catalog #STO-144

How do environmental conditions affect oxygen production and use?

Time To Complete Time to complete: 1-2 forty-minute class period(s)

Conduct simulated oxygen and carbon dioxide tests to investigate the amounts of oxygen produced and used by aquatic plants under various environmental conditions.

  • Test simulated water samples from bottles containing plants exposed to different light levels.
  • Collect and analyze data from a controlled experiment to determine how photosynthesis and cellular respiration affect the oxygen concentration.
Teacher Guide Know Before You Buy! Download Teacher Guide

Limit 1 free sample per customer

Quantity Price
1 - 9$12.98 ea.
10 - 24$12.33 ea.
25 - 1000$11.68 ea.

Each assembled kit contains:

  • Student instructions
  • 4 simulated water samples
  • Oxygen Indicator (simulated)
  • Carbon Dioxide Indicator (simulated)
  • 6 labeled droppers
  • Oxygen and Carbon Dioxide Test Sheet
  • Oxygen and Carbon Dioxide Concentration Color Charts
  • Photosynthesis and Respiration Diagram Sheet

Also required: Safety goggles

Buy Unassembled and Save!

Refill Your Kit

Plants in a Bottle: Photosynthesis and Respiration – Pack of 10 Unassembled Kits

Catalog # STO-144U

Unassembled packs contain materials for 10 kits.

  • All supplies, lab materials, and printed labels
  • Student instructions copy master
  • Easy to follow instructions for kit assembly
Quantity Price
1 - 9$102.74 ea.
10 - 1000$97.61 ea.

Plants in a Bottle: Photosynthesis and Respiration – 10 Kit Refill Pack

Catalog # STO-144R

Refill packs contain materials to replace consumable supplies for 10 kits.

Quantity Price
1 - 9$41.10 ea.
10 - 1000$39.04 ea.

Teacher Testimonial

We attended your workshop at NSTA and raced back to teach the Homeostasis one. Our kids loved it, and I have written a grant to fund more kits.

- High school biology teacher (CA)

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STO-144