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   Seeds

 
Inquiry & Experimentation
Seed Structures
Change over time
Conditions for Germination & Growth
Typicality
Life Cycles
Growth Rate
Order and Timing of Events
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    Seed Structures
    Overall Objective
 

To learn about seed structures. To observe seed germination and to compare seedling development for different kinds of plants.

 
    Lessons
 
 
   Seed sequence drawings
    Objectives
 
To allow students to bring together their understandings of change over time and structure by illustrating sequences. To assess student learning related to seed germination.
   Overview of Lesson
 

Students were given strips of paper, and then were asked to illustrate seed changes and seedling development after planting. Some students included labels and text in their drawings.

This task allowed us to assess student knowledge of change over time in the context of seed germination and growth. Also, we could assess student knowledge of seed structures and their order of emergence. The drawings showed a wide range of student understanding. Ideas about growth conditions, parts of the seed, and life cycle were evident in individual student drawings.

   Children's Thinking Druing Lesson
 
Click the buttons to see examples of students' thinking
 
 
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Last Updated: February 17, 2005
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