Warning! Flash-based game: These games were created several years ago in Flash, which may or may not work on your browser. We are currently working on updated versions.
It's amazing what can be expressed on a graph – such as, the tastiness of lemonade!
This short walkthrough will help you grasp what you need to read graphs, from the relationship of the x and y axes to the importance of labeling.
Whether and when to fertilize grass becomes clear once you see a dose-response curve.