Cambridge Secondary (7-9). Stage 9. Science. Learner's Book - Unit 1: Photosynthesis and the carbon cycle - Question 11

Plot a graph of your results.
- Put distance of lamp from the test tube on the x-axis. Remember to include units.
- Put mean number of bubbles per minute on the y-axis.
- Plot your points as small, neat crosses.
- Draw a line to show the trend in your results.