Testing Rate of Photosynthesis – Using pondweed or aquatic plants (O₂ bubbles)

Photosynthesis Rate Game

Photosynthesis Rate Challenge

Measure Oxygen Production in Aquatic Plants

Adjust environmental factors to maximize photosynthesis rate in pondweed! Measure oxygen bubble production under different conditions.

Light Intensity
CO₂ Level
Temperature
0
Bubbles/min
50%
Light
50%
CO₂
25°C
Temp
Adjust the sliders to optimize conditions for photosynthesis. Click Start Experiment to begin measuring oxygen bubble production.

Photosynthesis Factors

Challenge Objective:

Find the optimal combination of light intensity, CO₂ concentration, and temperature that produces the highest rate of oxygen bubbles (maximum photosynthesis).

Scientific Principles:

Light Intensity: Increases photosynthesis until another factor becomes limiting

CO₂ Concentration: Major substrate for photosynthesis

Temperature: Affects enzyme activity in the light-independent reactions

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