Reflection: Connection to Prior Knowledge Diodes - Section 1: Warm Up


I begin this lesson by showing examples of technologies that use diodes. Using real-world models helps students to make personal connections to the scientific concepts that we address. Because my students have prior experiences with the technologies I show and because these electronic devices are of high interest to the students, the students become excited about the work that they will do. This helps students to persevere when the task of using the diode becomes difficult. Using models also helps my students to understand that the concepts we study have practical, authentic applications that are useful to human life. The use of models helps me to give my students a reason why it is important for us to study and understand electricity. 

  Using Real World Models
  Connection to Prior Knowledge: Using Real World Models
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Unit 2: Electricity
Lesson 9 of 11

Objective: SWBAT use a diode in a circuit tester and determine the flow of electricity in a circuit that includes a semiconductor.

Big Idea: Semiconductors allow electricity to travel in one direction in a circuit.

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