Find out why leaves change color in the fall. See the busy tree - out in the sun, Let’s dig into the big question: Why do leaves change color? Why Leaves Change Color by Lydia Lukidis In the article, “Why Leaves Change Color,” you learned that the decrease of sunlight in the fall leads to the beautiful red, orange, yellow, purple, and brown colors we see on the trees all around us. The chlorophyll (green color) fades and other colors (mainly red/yellow/orange/tan) in the leaves begin to show. The color change usually happens before the leaves fall off of the tree. This unit on the science of leaf colors is for kids 9 to 12 years old and will help answer the question: Why do leaves change colors in the fall? Soon the tree does not have enough sun and water to make both it's food and Chlorophyll, so it stops making Chlorophyll and the leaves return to its natural color. Preschool Science Activity – Why Do Leaves Change Colors? Chlorophyll is the molecule that traps the energy of the sun and is called a photoreceptor. by Viki Woodworth. Do Cows Turn Colors In The Fall? Terms/Concepts: Learn what photosynthesis is and how using chemistry you can see the different colors in a green leaf; Understand why leaves do not stay green in the fall. In this mini-lesson, students discover how and why some tree leaves change color when the weather starts to get colder. The Science Of Leaf Color Changes In Fall. Why might that be? This post is part of the series: Kindergarten Lesson Plans: Leaves. Clifford’s First Autumn by Norman Birdwell. A series of five lesson plans in the harvest theme created for kindergarten classrooms. It takes a lot of energy to make chlorophyll. Learn about the different pigments found in leaves and how bright autumn foliage is produced. Suggested Reading. On the lines below, describe what you like about autumn where you live. If the plants break down the chlorophyll and move it out of their leaves before the leaves fall, plants save energy. Fun autumn leaf facts explaining why leaves change colors; suitable for Kindergarten through Grade 6. To preschoolers, the changing colors of fall leaves may seem like something close to magic. But in the Fall, the weather changes; the days are shorter with less sunshine and the days are dryer with less water. References: Biology for Kids "Photosynthesis" Wikipedia "Deciduous" Science Made Simple Leaf Graphic In the activity, Falling for Leaves, students make crayon rubbings of tree leaves, then take a closer look to observe the characteristics of leaves in … Some of the most beautiful fall foliage features both types of pigments, often with one color giving way to the next as the season progresses. 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