Measuring Photosynthesis

Our aim today was to measure the effect of ligh intensity on photosynthesis. We set up a light system and put waterweed plants in a test tube upside down with water and sodium carbonate. Then we measured the distance from the test tube to the light and how many bubbles came from the plant in a minute. Then we changed the distance and repeated this. This shows effects on photosynthesis by light because plants produce oxygen when they perform photosynthesis, these are the bubbles.

Dean Experiencing The Magic Of Science

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