Lesson Plan : Viral Models

Teacher Name:
 Grade 9-10

 Viruses and Bacteria Unit
 Helical, Spherical, Polyhedral shapes of viruses
 Students will discover how the structure of a virus makes it an effective agent of infection
 1. To learn that viruses occur in a variety of different shpaes. 2. To compare the structural properties of 3 different viruses. 3. To relate virus structure to viral infection of cells.
 Intro and Dev-- Powerpoint, projector, models handout, premade model of "final product" for each station. Per Student-- Station 1:polyhedral pattern, 2" yarn, 12 cotton swabs, markers, glue gun Station 2:large ballon, small balloon, 2" yarn, "spikes" pattern Station 3:toiletpaper roll, 20 toothpicks, playdough, 8" yarn
 Powerpoint on various shapes of viruses we have discussed, including models and electon-microscope pics (Stephan)
 Review Model handout. Discuss the names and reasoning behind these names for each of the three shapes. Show and describe how each model is made. (Bondies)
 Students are sent to labs in predetermined groups. On each lab table is a handout with instructions on making that particular model. Walk around to assist; may have to hand-over-hand (Stephan and Bondies)
 Students may work with a partner assigned by the teacher to complete the write-up or the task. Because this is a hands-on activity, accomodations are limitless.
Checking For Understanding:
 The following day, an oral review is given over the shapes and how each model infects its host.
 The students will use the information from this lab in a paper on a virus they each have chosen from a list.

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