Lesson Plan : Viral Models

Teacher Name:
 Stephan/Bondies
Grade:
 Grade 9-10
Subject:
 Science

Topic:
 Viruses and Bacteria Unit
Content:
 Helical, Spherical, Polyhedral shapes of viruses
Goals:
 Students will discover how the structure of a virus makes it an effective agent of infection
Objectives:
 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.
Materials:
 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
Introduction:
 Powerpoint on various shapes of viruses we have discussed, including models and electon-microscope pics (Stephan)
Development:
 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)
Practice:
 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)
Accommodations:
 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.
Closure:
 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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