Biology - Photosynthesis (pond weed) Flashcards
1
Q
step 1
A
put a pond weed into a beaker/test tube and leave it for a set amount of time
2
Q
step 2
A
measure with a ruler the distance between the lamp and the pond weed, starting at 5cm
3
Q
step 3
A
count the number of bubbles given off in 1 minute
4
Q
step 4
A
repeat using increased distances at 10,15,20 and 25cm
5
Q
step 5
A
record your results in a table and graph