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This study was conducted to measure different plant species in the grassland and compare the ratio of grass to the other kinds of vegetation at York university, around 3:30pm- 5:00pm. Location: Data was collected at York University, at Keele St. and York Blvd, in the Grasslands. Weather condition near the field site was sunny. Methods: Field experiment was conducted using quadrat sampling technique. This technique involved the use of quadrats that were in a square frame, made of pvc piping, which measured 1 m2 area. In the study, 25 trial were conducted within 1.5 hours. Half of the measurements were done by counting areas that were under the sun, where as the other half were under the shade. In each trial, the number of the plants, species, the total population of the grass, as well as vegetation were recorded. Key to Variables: The variables in this field experiments were: number of plants, the number of species, the total population, percentage of vegetation and grass coverage . Number of plants and species and total population were quantitative and categorical type. They were all counted from top left to the bottom right of the quadrant. The percentage of vegetation and grass coverage are quantitative and categorical variables. Prediction: It was predicted that the sites located under the sun would have a greater variation of species, since different types of vegetation require more sunlight energy in order to grow taller, as compared to grass. Hypothesis: Grass is more abundant under shaded areas, than areas exposed to sunlight. The abundance of vegetation decreased in the shade.