We are investigating - effect of light on photosynthesis rate, We will be counting - oxygen bubbles made in a fixed time, We will change light intensity by - moving a lamp, We will count bubbles for - one minute, We will add sodium hydrogencarbonate - to keep carbon dioxide levels high, We will use a beaker of water - to stop the plant getting too hot, We will keep a paper clip on the plant - to keep it under the water,

Photosynthesis method

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