"In a series of fun and involving hands-on biology experiments, kids observe the effect of osmosis on a raisin, demonstrate how leaves and stems can act like a straw, determine which side of a plant leaf takes in gases, demonstrate the loss of moisture from leaves, and discover the effects of gravity on plant growth. They will also determine the direction of winding plants, how shade affects plant growth, how plants grow toward light, and the effect of temperature on seed growth. Featuring color illustrations and safe, simple step-by-step instructions, Janice VanCleave again shows just how much fun science can be"--From the publisher's web site.