Lesson NO-2

Types of Semiconductors

Instructional  Objectives

The students will be able to

• Compare and contrast intrinsic, extrinsic n-type and p-type semiconductors.
• Identify different types of semiconductors.

Resources

• Time line Infographic
• Informational Infographic

Preparatory Phase

Teacher discusses about the recent advancement of electronics .This advancement affects tremendous progress in the field of communication, transportation, medicine, electrical appliances industry etc. Think about the past and present generation of home appliances. What difference have you noticed? 

Engage Phase

Conduct a student discussion regarding the advancement of electronic device.

Task 1

Critically analyze and interpret the timeline infographics showing history of semiconductors.

Exhibit Infographic / Infographics presentaion

Teacher shows a timeline infographic about the history of semiconductor.

Explore Infographics

Students discuss the history of semiconductors and understand the evolution of electronic devices.