Reflection: Discourse and Questioning Why Do Leaves Change Color? - Section 2: Guided Practice - Experiment

 

This was a great experiment in theory.  The students had a lot of fun with it.  The part that was very difficult was getting them to understand what chlorophyll is.  When students cannot see something with their own eyes at this age, it is a difficult concept for them to grasp.  It would be really nice if I had access to microscopes in order to help them make this more concrete.

The other difficult part for students was the discourse between myself and the students.  It was hard to get them to answer my questions about what they think was going to happen with the filter paper and the "why". 

In the future, I think I would like to do more teaching about chlorophyll and use the microscope.  This will make it more concrete for the students.

  Experiment
  Discourse and Questioning: Experiment
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Why Do Leaves Change Color?

Unit 4: Trees
Lesson 3 of 6

Objective: Students will be able to describe how chlorophyll makes leaves green by doing an experiment that pulls the chlorophyll out of a leaf.

Big Idea: Leaves turn colors as the chlorophyll within them dies off in the fall.

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1 teacher likes this lesson
Subject(s):
Science, Science Skills, prediction, observation, science notebook, evergreen, pinecones, tree
  90 minutes
leaf
 
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