Photosynthesis Flashcards
1
Q
Give the word equation
A
Carbon dioxide and water ——> glucose and oxygen
2
Q
Balanced symbol equation
A
6CO2 + 6H2O ——> C6H12O6 + 6O2
3
Q
Practical
A
Fill a boiling tube with 0.2% sodium hydrogen carbonate solution
Add pond weed
Set up a light source 10cm away
Move 5cm back each time
Count the number of bubbles in each minute
Repeat 3 times to find a mean and remove any anomalies
4
Q
Results
A
The further away the light, the less bubbles and the slower the rate of photosynthesis