Reflection: Developing a Conceptual Understanding Electromagnets - Section 4: Connecting the Learning

 

We are asked to teach each standard for mastery. My students are still very concrete in their thinking. As a middle school teacher, I need to help them move to more abstract thinking where they truly understand the concept and not just recall a lesson. 

Students need multiple experiences to be able to connect to the big picture or concept we are looking to develop.

In this lesson, we created and electromagnet and measured its strength with the spring scale and by counting the paperclips. By adding the virtual lab, students now see how the electromagnet is like a permanent magnet as it changes the position of the needle on the compass as it passes around the perimeter of the magnetic field created. 

Students see that electricity creates a magnetic field. The electromagnet differs from the permanent magnet in the fact that it can be turned on and off.

Conceptual understanding has been enhanced with multiple representations. 

  Extending the Lesson to Deepen Conceptual Understanding
  Developing a Conceptual Understanding: Extending the Lesson to Deepen Conceptual Understanding
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Electromagnets

Unit 3: Electricity and Magnetism
Lesson 2 of 3

Objective: SWBAT make an electromagnet and evaluate how turns of the wire change the strength of the electromagnet

Big Idea: What - we can make out own magnets?

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electromagnet
 
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