Plant Vocabulary Games Choose any of these games to help you learn the parts of plants and their functions. Tools A B root the part of a plant that takes in water stem the part of a plant that supports it and carries water to the leaves leave the part of a plant that takes in light and make food for the plant flower the part of a plant that produces seeds photosynthesis the foodmaking activity of plants germinate when a seed comes to life and begins to grow seedling a very young plant seed the part of a plant that contains stored food for producing a new plant