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Microscopes Teacher Resources
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Students explore the world of the very small using a Flash plug-in Virtual Electron Microscope. They complete and discuss an activity in which unknown samples are placed under the computer simulated microscope to determine where the cells came from. Hints for cell types and a self checking system make this seem like a game.
After considering the importance of scale, microbiologists measure the field of view for the 40X and 100X objectives of a compound light microscope. With this information, they calculate the size of a paramecium and a corn stem cell. They also calculate the field of view for the high power objective so that they can use it to determine size. Because of the math and cognitive ability required, the lesson is geared toward high school biology scholars. A well-written lab sheet is provided.
Students use a light microscope to observe the organisms living in a sample of ocean or fresh water. Students create a drawing of the organisms that they observe. Students then discuss the different body plans of the organisms and the importance of clean water as a habitat.
This document is a mini unit on the basic structure of animal cells and cell theory. It contains individual lesson plans for the use of a microscope, lecture notes, and handouts for your class. The PowerPoint, "Amazing Animal Cells," is not included, but you can easily locate a substitute online." You will notice in the lecture notes that the intended audience is an agriculture class.
"Microscope Man" is the story of a microscopic adventurer who journeys through the interior of a cell. This is a clever approach to reviewing the structure of a plant cell! After reading the story, cell biologists answer questions in which they need to identify the organelles that Microscope Man encounters. The handout appears to be a substandard quality photocopy. Consider typing it up fresh to have a nicer presentation, but do not overlook this gem of a resource!
Students examine parts of a microscope and how to use a microscope at five lab stations. They identify parts of a microscope by describing the differences between low power and high power. They visit Internet sites (included in the lesson) and one station and experience the procedure of how to create a wet mount slide.
What are the structures in cells and what are their functions? Budding biologists discover the answers to these questions through an in-depth examination of cells and organelles. Using the 5E learning cycle, learners explore the types of organelles using an electron microscope, research, draw, and describe the function of each one, explain how different cell types make up different kingdoms, then design and execute an experiment to determine the effect of pH on algae.
After drawing and labelling a microscope, forensic science explorers use one to solve a simulated murder mystery. They examine each piece of evidence and draw what they observe at each magnification. Working in groups of four, your scientists produce a forensic report. The objective of this lesson is for learners to gain competence in handling a microscope.