Photosynthesis RP (P1)

Question 1

Method

Answer 1

1. Set up a boiling tube with sodium hydrogen carbonate solution and 10cm pondweed with a cut top end and push it in
2. Leave the boiling tube for 3 minutes
3. Count the number of bubbles each minute and work out the mean
4. Repeat with the light 5cm closer

Question 2

Light intensity equation

Answer 2

1/distance2

Question 3

Equation

Answer 3

Carbon dioxide+water-glucose+oxygen

6(CO2)+6(H20)-C6H1206+O6