How does temperature affect sunflower seeds? -- How do worms help plants? -- How does oil affect plants? -- How does a cactus survive in the desert? -- Five science steps -- Fun facts.
Summary:
Presents four experiments using plants that demonstrate how external things in a plant's environment can affect it.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.