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Plants Unit

Pigments in Leaves

7th Grade

Content Area & Topic: Plants and Environment

Lesson Overview:Plants are essential to our life; they provide food, clean air, shade and more. Plants come in many different shapes and sizes, but most plants have green leaves during summer and spring. It's not until fall tha twe see an array of reds, oranges, and yellows. The purpose of this lesson is to demonstrate that there are several different color (pigments) found in green leaves that may not be easily seen. In this activity the students will seperate different pigments from a green leaf.

Iowa Core Statements:

  • Understand and apply knowledge of the complementary nature of structure and function and the commonalities among organisms.

Content Objectives:

  • Explain why leaves are usually green.
  • Recognize that there is more than just green color in a leaf.
  • Explain with in the fall leaves change colors.
  • Explore how to seperate a mixture into individual components.

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