Lesson Plan: Microscopy | Nagwa Lesson Plan: Microscopy | Nagwa

Lesson Plan: Microscopy Biology • First Year of Secondary School

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to compare and contrast different types of microscope and identify the type of microscope used by the image it produces.

Objectives

Students will be able to

  • outline the structure of a light microscope,
  • recall that the magnification of a light microscope is the magnifying power of the eyepiece (ocular lens) multiplied by the magnifying power of the objective lens,
  • define the terms magnification and resolution,
  • compare and contrast light, transmission electron, and scanning electron microscopes in terms of method used, resolution, magnification, and type of image produced,
  • identify the type of microscope used from images produced,
  • describe the role of stains and dyes in improving images produced.

Prerequisites

Students should already be familiar with

  • the fact that cytology is the study of cells,
  • the fact that cells are the basic unit of living organisms.

Exclusions

Students will not cover

  • using the formula magnification = image size ÷ actual size.

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